<?xml version='1.0' encoding='utf-8'?>
<FilingSummary>
  <Version>3.26.1</Version>
  <ProcessingTime/>
  <ReportFormat>html</ReportFormat>
  <ContextCount>4077</ContextCount>
  <ElementCount>40</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>true</FootnotesReported>
  <SegmentCount>1317</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>3</UnitCount>
  <MyReports>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R1.htm</HtmlFileName>
      <LongName>030000 - Disclosure - Form N-CSR Cover</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://xbrl.sec.gov/oef/role/NcsrCover</Role>
      <ShortName>Form N-CSR Cover</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>1</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R2.htm</HtmlFileName>
      <LongName>030001 - Disclosure - Shareholder Report</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://xbrl.sec.gov/oef/role/ShareholderReport</Role>
      <ShortName>Shareholder Report</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>2</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R3.htm</HtmlFileName>
      <LongName>040014 - Document - Shareholder Report, Line Graph (Details) 74200007500_Franklin Alabama Tax-Free Income Fund_Class A_TSR Annual {Class A}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportLineGraphDetails_1</Role>
      <ShortName>Shareholder Report, Line Graph (Details) 74200007500_Franklin Alabama Tax-Free Income Fund_Class A_TSR Annual {Class A}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>3</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R4.htm</HtmlFileName>
      <LongName>040015 - Document - Shareholder Report, Average Annual Return (Details) 74200007500_Franklin Alabama Tax-Free Income Fund_Class A_TSR Annual {Class A}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportAverageAnnualReturnDetails_1</Role>
      <ShortName>Shareholder Report, Average Annual Return (Details) 74200007500_Franklin Alabama Tax-Free Income Fund_Class A_TSR Annual {Class A}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>4</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R5.htm</HtmlFileName>
      <LongName>040016 - Document - Shareholder Report, Holdings (Details) 74200007500_Franklin Alabama Tax-Free Income Fund_Class A_TSR Annual {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportHoldingsDetails_1</Role>
      <ShortName>Shareholder Report, Holdings (Details) 74200007500_Franklin Alabama Tax-Free Income Fund_Class A_TSR Annual</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>5</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R6.htm</HtmlFileName>
      <LongName>040018 - Document - Shareholder Report, Line Graph (Details) 74200007500_Franklin Alabama Tax-Free Income Fund_Class A1_TSR Annual {Class A1}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportLineGraphDetails_2</Role>
      <ShortName>Shareholder Report, Line Graph (Details) 74200007500_Franklin Alabama Tax-Free Income Fund_Class A1_TSR Annual {Class A1}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>6</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R7.htm</HtmlFileName>
      <LongName>040019 - Document - Shareholder Report, Average Annual Return (Details) 74200007500_Franklin Alabama Tax-Free Income Fund_Class A1_TSR Annual {Class A1}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportAverageAnnualReturnDetails_2</Role>
      <ShortName>Shareholder Report, Average Annual Return (Details) 74200007500_Franklin Alabama Tax-Free Income Fund_Class A1_TSR Annual {Class A1}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>7</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R8.htm</HtmlFileName>
      <LongName>040020 - Document - Shareholder Report, Holdings (Details) 74200007500_Franklin Alabama Tax-Free Income Fund_Class A1_TSR Annual {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportHoldingsDetails_2</Role>
      <ShortName>Shareholder Report, Holdings (Details) 74200007500_Franklin Alabama Tax-Free Income Fund_Class A1_TSR Annual</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>8</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R9.htm</HtmlFileName>
      <LongName>040022 - Document - Shareholder Report, Line Graph (Details) 74200007500_Franklin Alabama Tax-Free Income Fund_Class C_TSR Annual {Class C}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportLineGraphDetails_3</Role>
      <ShortName>Shareholder Report, Line Graph (Details) 74200007500_Franklin Alabama Tax-Free Income Fund_Class C_TSR Annual {Class C}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>9</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R10.htm</HtmlFileName>
      <LongName>040023 - Document - Shareholder Report, Average Annual Return (Details) 74200007500_Franklin Alabama Tax-Free Income Fund_Class C_TSR Annual {Class C}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportAverageAnnualReturnDetails_3</Role>
      <ShortName>Shareholder Report, Average Annual Return (Details) 74200007500_Franklin Alabama Tax-Free Income Fund_Class C_TSR Annual {Class C}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>10</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R11.htm</HtmlFileName>
      <LongName>040024 - Document - Shareholder Report, Holdings (Details) 74200007500_Franklin Alabama Tax-Free Income Fund_Class C_TSR Annual {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportHoldingsDetails_3</Role>
      <ShortName>Shareholder Report, Holdings (Details) 74200007500_Franklin Alabama Tax-Free Income Fund_Class C_TSR Annual</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>11</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R12.htm</HtmlFileName>
      <LongName>040026 - Document - Shareholder Report, Line Graph (Details) 74200007500_Franklin Alabama Tax-Free Income Fund_Class R6_TSR Annual {Class R6}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportLineGraphDetails_4</Role>
      <ShortName>Shareholder Report, Line Graph (Details) 74200007500_Franklin Alabama Tax-Free Income Fund_Class R6_TSR Annual {Class R6}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>12</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R13.htm</HtmlFileName>
      <LongName>040027 - Document - Shareholder Report, Average Annual Return (Details) 74200007500_Franklin Alabama Tax-Free Income Fund_Class R6_TSR Annual {Class R6}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportAverageAnnualReturnDetails_4</Role>
      <ShortName>Shareholder Report, Average Annual Return (Details) 74200007500_Franklin Alabama Tax-Free Income Fund_Class R6_TSR Annual {Class R6}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>13</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R14.htm</HtmlFileName>
      <LongName>040028 - Document - Shareholder Report, Holdings (Details) 74200007500_Franklin Alabama Tax-Free Income Fund_Class R6_TSR Annual {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportHoldingsDetails_4</Role>
      <ShortName>Shareholder Report, Holdings (Details) 74200007500_Franklin Alabama Tax-Free Income Fund_Class R6_TSR Annual</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>14</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R15.htm</HtmlFileName>
      <LongName>040030 - Document - Shareholder Report, Line Graph (Details) 74200007500_Franklin Alabama Tax-Free Income Fund_Advisor Class_TSR Annual {Advisor Class}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportLineGraphDetails_5</Role>
      <ShortName>Shareholder Report, Line Graph (Details) 74200007500_Franklin Alabama Tax-Free Income Fund_Advisor Class_TSR Annual {Advisor Class}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>15</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R16.htm</HtmlFileName>
      <LongName>040031 - Document - Shareholder Report, Average Annual Return (Details) 74200007500_Franklin Alabama Tax-Free Income Fund_Advisor Class_TSR Annual {Advisor Class}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportAverageAnnualReturnDetails_5</Role>
      <ShortName>Shareholder Report, Average Annual Return (Details) 74200007500_Franklin Alabama Tax-Free Income Fund_Advisor Class_TSR Annual {Advisor Class}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>16</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R17.htm</HtmlFileName>
      <LongName>040032 - Document - Shareholder Report, Holdings (Details) 74200007500_Franklin Alabama Tax-Free Income Fund_Advisor Class_TSR Annual {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportHoldingsDetails_5</Role>
      <ShortName>Shareholder Report, Holdings (Details) 74200007500_Franklin Alabama Tax-Free Income Fund_Advisor Class_TSR Annual</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>17</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R18.htm</HtmlFileName>
      <LongName>040034 - Document - Shareholder Report, Line Graph (Details) 74200007700_Franklin Arizona Tax-Free Income Fund_Class A_TSR Annual {Class A}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportLineGraphDetails_6</Role>
      <ShortName>Shareholder Report, Line Graph (Details) 74200007700_Franklin Arizona Tax-Free Income Fund_Class A_TSR Annual {Class A}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>18</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R19.htm</HtmlFileName>
      <LongName>040035 - Document - Shareholder Report, Average Annual Return (Details) 74200007700_Franklin Arizona Tax-Free Income Fund_Class A_TSR Annual {Class A}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportAverageAnnualReturnDetails_6</Role>
      <ShortName>Shareholder Report, Average Annual Return (Details) 74200007700_Franklin Arizona Tax-Free Income Fund_Class A_TSR Annual {Class A}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>19</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R20.htm</HtmlFileName>
      <LongName>040036 - Document - Shareholder Report, Holdings (Details) 74200007700_Franklin Arizona Tax-Free Income Fund_Class A_TSR Annual {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportHoldingsDetails_6</Role>
      <ShortName>Shareholder Report, Holdings (Details) 74200007700_Franklin Arizona Tax-Free Income Fund_Class A_TSR Annual</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>20</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R21.htm</HtmlFileName>
      <LongName>040038 - Document - Shareholder Report, Line Graph (Details) 74200007700_Franklin Arizona Tax-Free Income Fund_Class A1_TSR Annual {Class A1}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportLineGraphDetails_7</Role>
      <ShortName>Shareholder Report, Line Graph (Details) 74200007700_Franklin Arizona Tax-Free Income Fund_Class A1_TSR Annual {Class A1}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>21</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R22.htm</HtmlFileName>
      <LongName>040039 - Document - Shareholder Report, Average Annual Return (Details) 74200007700_Franklin Arizona Tax-Free Income Fund_Class A1_TSR Annual {Class A1}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportAverageAnnualReturnDetails_7</Role>
      <ShortName>Shareholder Report, Average Annual Return (Details) 74200007700_Franklin Arizona Tax-Free Income Fund_Class A1_TSR Annual {Class A1}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>22</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R23.htm</HtmlFileName>
      <LongName>040040 - Document - Shareholder Report, Holdings (Details) 74200007700_Franklin Arizona Tax-Free Income Fund_Class A1_TSR Annual {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportHoldingsDetails_7</Role>
      <ShortName>Shareholder Report, Holdings (Details) 74200007700_Franklin Arizona Tax-Free Income Fund_Class A1_TSR Annual</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>23</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R24.htm</HtmlFileName>
      <LongName>040042 - Document - Shareholder Report, Line Graph (Details) 74200007700_Franklin Arizona Tax-Free Income Fund_Class C_TSR Annual {Class C}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportLineGraphDetails_8</Role>
      <ShortName>Shareholder Report, Line Graph (Details) 74200007700_Franklin Arizona Tax-Free Income Fund_Class C_TSR Annual {Class C}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>24</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R25.htm</HtmlFileName>
      <LongName>040043 - Document - Shareholder Report, Average Annual Return (Details) 74200007700_Franklin Arizona Tax-Free Income Fund_Class C_TSR Annual {Class C}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportAverageAnnualReturnDetails_8</Role>
      <ShortName>Shareholder Report, Average Annual Return (Details) 74200007700_Franklin Arizona Tax-Free Income Fund_Class C_TSR Annual {Class C}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>25</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R26.htm</HtmlFileName>
      <LongName>040044 - Document - Shareholder Report, Holdings (Details) 74200007700_Franklin Arizona Tax-Free Income Fund_Class C_TSR Annual {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportHoldingsDetails_8</Role>
      <ShortName>Shareholder Report, Holdings (Details) 74200007700_Franklin Arizona Tax-Free Income Fund_Class C_TSR Annual</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>26</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R27.htm</HtmlFileName>
      <LongName>040046 - Document - Shareholder Report, Line Graph (Details) 74200007700_Franklin Arizona Tax-Free Income Fund_Class R6_TSR Annual {Class R6}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportLineGraphDetails_9</Role>
      <ShortName>Shareholder Report, Line Graph (Details) 74200007700_Franklin Arizona Tax-Free Income Fund_Class R6_TSR Annual {Class R6}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>27</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R28.htm</HtmlFileName>
      <LongName>040047 - Document - Shareholder Report, Average Annual Return (Details) 74200007700_Franklin Arizona Tax-Free Income Fund_Class R6_TSR Annual {Class R6}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportAverageAnnualReturnDetails_9</Role>
      <ShortName>Shareholder Report, Average Annual Return (Details) 74200007700_Franklin Arizona Tax-Free Income Fund_Class R6_TSR Annual {Class R6}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>28</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R29.htm</HtmlFileName>
      <LongName>040048 - Document - Shareholder Report, Holdings (Details) 74200007700_Franklin Arizona Tax-Free Income Fund_Class R6_TSR Annual {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportHoldingsDetails_9</Role>
      <ShortName>Shareholder Report, Holdings (Details) 74200007700_Franklin Arizona Tax-Free Income Fund_Class R6_TSR Annual</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>29</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R30.htm</HtmlFileName>
      <LongName>040050 - Document - Shareholder Report, Line Graph (Details) 74200007700_Franklin Arizona Tax-Free Income Fund_Advisor Class_TSR Annual {Advisor Class}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportLineGraphDetails_10</Role>
      <ShortName>Shareholder Report, Line Graph (Details) 74200007700_Franklin Arizona Tax-Free Income Fund_Advisor Class_TSR Annual {Advisor Class}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>30</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R31.htm</HtmlFileName>
      <LongName>040051 - Document - Shareholder Report, Average Annual Return (Details) 74200007700_Franklin Arizona Tax-Free Income Fund_Advisor Class_TSR Annual {Advisor Class}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportAverageAnnualReturnDetails_10</Role>
      <ShortName>Shareholder Report, Average Annual Return (Details) 74200007700_Franklin Arizona Tax-Free Income Fund_Advisor Class_TSR Annual {Advisor Class}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>31</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R32.htm</HtmlFileName>
      <LongName>040052 - Document - Shareholder Report, Holdings (Details) 74200007700_Franklin Arizona Tax-Free Income Fund_Advisor Class_TSR Annual {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportHoldingsDetails_10</Role>
      <ShortName>Shareholder Report, Holdings (Details) 74200007700_Franklin Arizona Tax-Free Income Fund_Advisor Class_TSR Annual</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>32</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R33.htm</HtmlFileName>
      <LongName>040054 - Document - Shareholder Report, Line Graph (Details) 74200006700_Franklin Colorado Tax-Free Income Fund_Class A_TSR Annual {Class A}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportLineGraphDetails_11</Role>
      <ShortName>Shareholder Report, Line Graph (Details) 74200006700_Franklin Colorado Tax-Free Income Fund_Class A_TSR Annual {Class A}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>33</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R34.htm</HtmlFileName>
      <LongName>040055 - Document - Shareholder Report, Average Annual Return (Details) 74200006700_Franklin Colorado Tax-Free Income Fund_Class A_TSR Annual {Class A}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportAverageAnnualReturnDetails_11</Role>
      <ShortName>Shareholder Report, Average Annual Return (Details) 74200006700_Franklin Colorado Tax-Free Income Fund_Class A_TSR Annual {Class A}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>34</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R35.htm</HtmlFileName>
      <LongName>040056 - Document - Shareholder Report, Holdings (Details) 74200006700_Franklin Colorado Tax-Free Income Fund_Class A_TSR Annual {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportHoldingsDetails_11</Role>
      <ShortName>Shareholder Report, Holdings (Details) 74200006700_Franklin Colorado Tax-Free Income Fund_Class A_TSR Annual</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>35</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R36.htm</HtmlFileName>
      <LongName>040058 - Document - Shareholder Report, Line Graph (Details) 74200006700_Franklin Colorado Tax-Free Income Fund_Class A1_TSR Annual {Class A1}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportLineGraphDetails_12</Role>
      <ShortName>Shareholder Report, Line Graph (Details) 74200006700_Franklin Colorado Tax-Free Income Fund_Class A1_TSR Annual {Class A1}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>36</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R37.htm</HtmlFileName>
      <LongName>040059 - Document - Shareholder Report, Average Annual Return (Details) 74200006700_Franklin Colorado Tax-Free Income Fund_Class A1_TSR Annual {Class A1}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportAverageAnnualReturnDetails_12</Role>
      <ShortName>Shareholder Report, Average Annual Return (Details) 74200006700_Franklin Colorado Tax-Free Income Fund_Class A1_TSR Annual {Class A1}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>37</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R38.htm</HtmlFileName>
      <LongName>040060 - Document - Shareholder Report, Holdings (Details) 74200006700_Franklin Colorado Tax-Free Income Fund_Class A1_TSR Annual {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportHoldingsDetails_12</Role>
      <ShortName>Shareholder Report, Holdings (Details) 74200006700_Franklin Colorado Tax-Free Income Fund_Class A1_TSR Annual</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>38</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R39.htm</HtmlFileName>
      <LongName>040062 - Document - Shareholder Report, Line Graph (Details) 74200006700_Franklin Colorado Tax-Free Income Fund_Class C_TSR Annual {Class C}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportLineGraphDetails_13</Role>
      <ShortName>Shareholder Report, Line Graph (Details) 74200006700_Franklin Colorado Tax-Free Income Fund_Class C_TSR Annual {Class C}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>39</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R40.htm</HtmlFileName>
      <LongName>040063 - Document - Shareholder Report, Average Annual Return (Details) 74200006700_Franklin Colorado Tax-Free Income Fund_Class C_TSR Annual {Class C}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportAverageAnnualReturnDetails_13</Role>
      <ShortName>Shareholder Report, Average Annual Return (Details) 74200006700_Franklin Colorado Tax-Free Income Fund_Class C_TSR Annual {Class C}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>40</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R41.htm</HtmlFileName>
      <LongName>040064 - Document - Shareholder Report, Holdings (Details) 74200006700_Franklin Colorado Tax-Free Income Fund_Class C_TSR Annual {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportHoldingsDetails_13</Role>
      <ShortName>Shareholder Report, Holdings (Details) 74200006700_Franklin Colorado Tax-Free Income Fund_Class C_TSR Annual</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>41</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R42.htm</HtmlFileName>
      <LongName>040066 - Document - Shareholder Report, Line Graph (Details) 74200006700_Franklin Colorado Tax-Free Income Fund_Class R6_TSR Annual {Class R6}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportLineGraphDetails_14</Role>
      <ShortName>Shareholder Report, Line Graph (Details) 74200006700_Franklin Colorado Tax-Free Income Fund_Class R6_TSR Annual {Class R6}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>42</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R43.htm</HtmlFileName>
      <LongName>040067 - Document - Shareholder Report, Average Annual Return (Details) 74200006700_Franklin Colorado Tax-Free Income Fund_Class R6_TSR Annual {Class R6}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportAverageAnnualReturnDetails_14</Role>
      <ShortName>Shareholder Report, Average Annual Return (Details) 74200006700_Franklin Colorado Tax-Free Income Fund_Class R6_TSR Annual {Class R6}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>43</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R44.htm</HtmlFileName>
      <LongName>040068 - Document - Shareholder Report, Holdings (Details) 74200006700_Franklin Colorado Tax-Free Income Fund_Class R6_TSR Annual {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportHoldingsDetails_14</Role>
      <ShortName>Shareholder Report, Holdings (Details) 74200006700_Franklin Colorado Tax-Free Income Fund_Class R6_TSR Annual</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>44</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R45.htm</HtmlFileName>
      <LongName>040070 - Document - Shareholder Report, Line Graph (Details) 74200006700_Franklin Colorado Tax-Free Income Fund_Advisor Class_TSR Annual {Advisor Class}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportLineGraphDetails_15</Role>
      <ShortName>Shareholder Report, Line Graph (Details) 74200006700_Franklin Colorado Tax-Free Income Fund_Advisor Class_TSR Annual {Advisor Class}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>45</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R46.htm</HtmlFileName>
      <LongName>040071 - Document - Shareholder Report, Average Annual Return (Details) 74200006700_Franklin Colorado Tax-Free Income Fund_Advisor Class_TSR Annual {Advisor Class}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportAverageAnnualReturnDetails_15</Role>
      <ShortName>Shareholder Report, Average Annual Return (Details) 74200006700_Franklin Colorado Tax-Free Income Fund_Advisor Class_TSR Annual {Advisor Class}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>46</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R47.htm</HtmlFileName>
      <LongName>040072 - Document - Shareholder Report, Holdings (Details) 74200006700_Franklin Colorado Tax-Free Income Fund_Advisor Class_TSR Annual {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportHoldingsDetails_15</Role>
      <ShortName>Shareholder Report, Holdings (Details) 74200006700_Franklin Colorado Tax-Free Income Fund_Advisor Class_TSR Annual</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>47</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R48.htm</HtmlFileName>
      <LongName>040074 - Document - Shareholder Report, Line Graph (Details) 74200007800_Franklin Connecticut Tax-Free Income Fund_Class A_TSR Annual {Class A}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportLineGraphDetails_16</Role>
      <ShortName>Shareholder Report, Line Graph (Details) 74200007800_Franklin Connecticut Tax-Free Income Fund_Class A_TSR Annual {Class A}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>48</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R49.htm</HtmlFileName>
      <LongName>040075 - Document - Shareholder Report, Average Annual Return (Details) 74200007800_Franklin Connecticut Tax-Free Income Fund_Class A_TSR Annual {Class A}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportAverageAnnualReturnDetails_16</Role>
      <ShortName>Shareholder Report, Average Annual Return (Details) 74200007800_Franklin Connecticut Tax-Free Income Fund_Class A_TSR Annual {Class A}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>49</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R50.htm</HtmlFileName>
      <LongName>040076 - Document - Shareholder Report, Holdings (Details) 74200007800_Franklin Connecticut Tax-Free Income Fund_Class A_TSR Annual {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportHoldingsDetails_16</Role>
      <ShortName>Shareholder Report, Holdings (Details) 74200007800_Franklin Connecticut Tax-Free Income Fund_Class A_TSR Annual</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>50</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R51.htm</HtmlFileName>
      <LongName>040078 - Document - Shareholder Report, Line Graph (Details) 74200007800_Franklin Connecticut Tax-Free Income Fund_Class A1_TSR Annual {Class A1}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportLineGraphDetails_17</Role>
      <ShortName>Shareholder Report, Line Graph (Details) 74200007800_Franklin Connecticut Tax-Free Income Fund_Class A1_TSR Annual {Class A1}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>51</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R52.htm</HtmlFileName>
      <LongName>040079 - Document - Shareholder Report, Average Annual Return (Details) 74200007800_Franklin Connecticut Tax-Free Income Fund_Class A1_TSR Annual {Class A1}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportAverageAnnualReturnDetails_17</Role>
      <ShortName>Shareholder Report, Average Annual Return (Details) 74200007800_Franklin Connecticut Tax-Free Income Fund_Class A1_TSR Annual {Class A1}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>52</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R53.htm</HtmlFileName>
      <LongName>040080 - Document - Shareholder Report, Holdings (Details) 74200007800_Franklin Connecticut Tax-Free Income Fund_Class A1_TSR Annual {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportHoldingsDetails_17</Role>
      <ShortName>Shareholder Report, Holdings (Details) 74200007800_Franklin Connecticut Tax-Free Income Fund_Class A1_TSR Annual</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>53</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R54.htm</HtmlFileName>
      <LongName>040082 - Document - Shareholder Report, Line Graph (Details) 74200007800_Franklin Connecticut Tax-Free Income Fund_Class C_TSR Annual {Class C}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportLineGraphDetails_18</Role>
      <ShortName>Shareholder Report, Line Graph (Details) 74200007800_Franklin Connecticut Tax-Free Income Fund_Class C_TSR Annual {Class C}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>54</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R55.htm</HtmlFileName>
      <LongName>040083 - Document - Shareholder Report, Average Annual Return (Details) 74200007800_Franklin Connecticut Tax-Free Income Fund_Class C_TSR Annual {Class C}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportAverageAnnualReturnDetails_18</Role>
      <ShortName>Shareholder Report, Average Annual Return (Details) 74200007800_Franklin Connecticut Tax-Free Income Fund_Class C_TSR Annual {Class C}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>55</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R56.htm</HtmlFileName>
      <LongName>040084 - Document - Shareholder Report, Holdings (Details) 74200007800_Franklin Connecticut Tax-Free Income Fund_Class C_TSR Annual {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportHoldingsDetails_18</Role>
      <ShortName>Shareholder Report, Holdings (Details) 74200007800_Franklin Connecticut Tax-Free Income Fund_Class C_TSR Annual</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>56</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R57.htm</HtmlFileName>
      <LongName>040086 - Document - Shareholder Report, Line Graph (Details) 74200007800_Franklin Connecticut Tax-Free Income Fund_Class R6_TSR Annual {Class R6}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportLineGraphDetails_19</Role>
      <ShortName>Shareholder Report, Line Graph (Details) 74200007800_Franklin Connecticut Tax-Free Income Fund_Class R6_TSR Annual {Class R6}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>57</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R58.htm</HtmlFileName>
      <LongName>040087 - Document - Shareholder Report, Average Annual Return (Details) 74200007800_Franklin Connecticut Tax-Free Income Fund_Class R6_TSR Annual {Class R6}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportAverageAnnualReturnDetails_19</Role>
      <ShortName>Shareholder Report, Average Annual Return (Details) 74200007800_Franklin Connecticut Tax-Free Income Fund_Class R6_TSR Annual {Class R6}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>58</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R59.htm</HtmlFileName>
      <LongName>040088 - Document - Shareholder Report, Holdings (Details) 74200007800_Franklin Connecticut Tax-Free Income Fund_Class R6_TSR Annual {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportHoldingsDetails_19</Role>
      <ShortName>Shareholder Report, Holdings (Details) 74200007800_Franklin Connecticut Tax-Free Income Fund_Class R6_TSR Annual</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>59</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R60.htm</HtmlFileName>
      <LongName>040090 - Document - Shareholder Report, Line Graph (Details) 74200007800_Franklin Connecticut Tax-Free Income Fund_Advisor Class_TSR Annual {Advisor Class}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportLineGraphDetails_20</Role>
      <ShortName>Shareholder Report, Line Graph (Details) 74200007800_Franklin Connecticut Tax-Free Income Fund_Advisor Class_TSR Annual {Advisor Class}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>60</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R61.htm</HtmlFileName>
      <LongName>040091 - Document - Shareholder Report, Average Annual Return (Details) 74200007800_Franklin Connecticut Tax-Free Income Fund_Advisor Class_TSR Annual {Advisor Class}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportAverageAnnualReturnDetails_20</Role>
      <ShortName>Shareholder Report, Average Annual Return (Details) 74200007800_Franklin Connecticut Tax-Free Income Fund_Advisor Class_TSR Annual {Advisor Class}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>61</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R62.htm</HtmlFileName>
      <LongName>040092 - Document - Shareholder Report, Holdings (Details) 74200007800_Franklin Connecticut Tax-Free Income Fund_Advisor Class_TSR Annual {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportHoldingsDetails_20</Role>
      <ShortName>Shareholder Report, Holdings (Details) 74200007800_Franklin Connecticut Tax-Free Income Fund_Advisor Class_TSR Annual</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>62</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R63.htm</HtmlFileName>
      <LongName>040094 - Document - Shareholder Report, Line Graph (Details) 74200006200_Franklin Federal Intermediate-Term Tax-Free Income Fund_Class A_TSR Annual {Class A}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportLineGraphDetails_21</Role>
      <ShortName>Shareholder Report, Line Graph (Details) 74200006200_Franklin Federal Intermediate-Term Tax-Free Income Fund_Class A_TSR Annual {Class A}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>63</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R64.htm</HtmlFileName>
      <LongName>040095 - Document - Shareholder Report, Average Annual Return (Details) 74200006200_Franklin Federal Intermediate-Term Tax-Free Income Fund_Class A_TSR Annual {Class A}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportAverageAnnualReturnDetails_21</Role>
      <ShortName>Shareholder Report, Average Annual Return (Details) 74200006200_Franklin Federal Intermediate-Term Tax-Free Income Fund_Class A_TSR Annual {Class A}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>64</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R65.htm</HtmlFileName>
      <LongName>040096 - Document - Shareholder Report, Holdings (Details) 74200006200_Franklin Federal Intermediate-Term Tax-Free Income Fund_Class A_TSR Annual {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportHoldingsDetails_21</Role>
      <ShortName>Shareholder Report, Holdings (Details) 74200006200_Franklin Federal Intermediate-Term Tax-Free Income Fund_Class A_TSR Annual</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>65</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R66.htm</HtmlFileName>
      <LongName>040098 - Document - Shareholder Report, Line Graph (Details) 74200006200_Franklin Federal Intermediate-Term Tax-Free Income Fund_Class A1_TSR Annual {Class A1}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportLineGraphDetails_22</Role>
      <ShortName>Shareholder Report, Line Graph (Details) 74200006200_Franklin Federal Intermediate-Term Tax-Free Income Fund_Class A1_TSR Annual {Class A1}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>66</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R67.htm</HtmlFileName>
      <LongName>040099 - Document - Shareholder Report, Average Annual Return (Details) 74200006200_Franklin Federal Intermediate-Term Tax-Free Income Fund_Class A1_TSR Annual {Class A1}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportAverageAnnualReturnDetails_22</Role>
      <ShortName>Shareholder Report, Average Annual Return (Details) 74200006200_Franklin Federal Intermediate-Term Tax-Free Income Fund_Class A1_TSR Annual {Class A1}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>67</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R68.htm</HtmlFileName>
      <LongName>040100 - Document - Shareholder Report, Holdings (Details) 74200006200_Franklin Federal Intermediate-Term Tax-Free Income Fund_Class A1_TSR Annual {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportHoldingsDetails_22</Role>
      <ShortName>Shareholder Report, Holdings (Details) 74200006200_Franklin Federal Intermediate-Term Tax-Free Income Fund_Class A1_TSR Annual</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>68</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R69.htm</HtmlFileName>
      <LongName>040102 - Document - Shareholder Report, Line Graph (Details) 74200006200_Franklin Federal Intermediate-Term Tax-Free Income Fund_Class C_TSR Annual {Class C}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportLineGraphDetails_23</Role>
      <ShortName>Shareholder Report, Line Graph (Details) 74200006200_Franklin Federal Intermediate-Term Tax-Free Income Fund_Class C_TSR Annual {Class C}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>69</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R70.htm</HtmlFileName>
      <LongName>040103 - Document - Shareholder Report, Average Annual Return (Details) 74200006200_Franklin Federal Intermediate-Term Tax-Free Income Fund_Class C_TSR Annual {Class C}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportAverageAnnualReturnDetails_23</Role>
      <ShortName>Shareholder Report, Average Annual Return (Details) 74200006200_Franklin Federal Intermediate-Term Tax-Free Income Fund_Class C_TSR Annual {Class C}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>70</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R71.htm</HtmlFileName>
      <LongName>040104 - Document - Shareholder Report, Holdings (Details) 74200006200_Franklin Federal Intermediate-Term Tax-Free Income Fund_Class C_TSR Annual {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportHoldingsDetails_23</Role>
      <ShortName>Shareholder Report, Holdings (Details) 74200006200_Franklin Federal Intermediate-Term Tax-Free Income Fund_Class C_TSR Annual</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>71</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R72.htm</HtmlFileName>
      <LongName>040106 - Document - Shareholder Report, Line Graph (Details) 74200006200_Franklin Federal Intermediate-Term Tax-Free Income Fund_Class R6_TSR Annual {Class R6}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportLineGraphDetails_24</Role>
      <ShortName>Shareholder Report, Line Graph (Details) 74200006200_Franklin Federal Intermediate-Term Tax-Free Income Fund_Class R6_TSR Annual {Class R6}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>72</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R73.htm</HtmlFileName>
      <LongName>040107 - Document - Shareholder Report, Average Annual Return (Details) 74200006200_Franklin Federal Intermediate-Term Tax-Free Income Fund_Class R6_TSR Annual {Class R6}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportAverageAnnualReturnDetails_24</Role>
      <ShortName>Shareholder Report, Average Annual Return (Details) 74200006200_Franklin Federal Intermediate-Term Tax-Free Income Fund_Class R6_TSR Annual {Class R6}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>73</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R74.htm</HtmlFileName>
      <LongName>040108 - Document - Shareholder Report, Holdings (Details) 74200006200_Franklin Federal Intermediate-Term Tax-Free Income Fund_Class R6_TSR Annual {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportHoldingsDetails_24</Role>
      <ShortName>Shareholder Report, Holdings (Details) 74200006200_Franklin Federal Intermediate-Term Tax-Free Income Fund_Class R6_TSR Annual</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>74</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R75.htm</HtmlFileName>
      <LongName>040110 - Document - Shareholder Report, Line Graph (Details) 74200006200_Franklin Federal Intermediate-Term Tax-Free Income Fund_Advisor Class_TSR Annual {Advisor Class}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportLineGraphDetails_25</Role>
      <ShortName>Shareholder Report, Line Graph (Details) 74200006200_Franklin Federal Intermediate-Term Tax-Free Income Fund_Advisor Class_TSR Annual {Advisor Class}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>75</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R76.htm</HtmlFileName>
      <LongName>040111 - Document - Shareholder Report, Average Annual Return (Details) 74200006200_Franklin Federal Intermediate-Term Tax-Free Income Fund_Advisor Class_TSR Annual {Advisor Class}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportAverageAnnualReturnDetails_25</Role>
      <ShortName>Shareholder Report, Average Annual Return (Details) 74200006200_Franklin Federal Intermediate-Term Tax-Free Income Fund_Advisor Class_TSR Annual {Advisor Class}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>76</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R77.htm</HtmlFileName>
      <LongName>040112 - Document - Shareholder Report, Holdings (Details) 74200006200_Franklin Federal Intermediate-Term Tax-Free Income Fund_Advisor Class_TSR Annual {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportHoldingsDetails_25</Role>
      <ShortName>Shareholder Report, Holdings (Details) 74200006200_Franklin Federal Intermediate-Term Tax-Free Income Fund_Advisor Class_TSR Annual</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>77</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R78.htm</HtmlFileName>
      <LongName>040114 - Document - Shareholder Report, Line Graph (Details) 74200007100_Franklin Federal Limited-Term Tax-Free Income Fund_Class A_TSR Annual {Class A}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportLineGraphDetails_26</Role>
      <ShortName>Shareholder Report, Line Graph (Details) 74200007100_Franklin Federal Limited-Term Tax-Free Income Fund_Class A_TSR Annual {Class A}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>78</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R79.htm</HtmlFileName>
      <LongName>040115 - Document - Shareholder Report, Average Annual Return (Details) 74200007100_Franklin Federal Limited-Term Tax-Free Income Fund_Class A_TSR Annual {Class A}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportAverageAnnualReturnDetails_26</Role>
      <ShortName>Shareholder Report, Average Annual Return (Details) 74200007100_Franklin Federal Limited-Term Tax-Free Income Fund_Class A_TSR Annual {Class A}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>79</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R80.htm</HtmlFileName>
      <LongName>040116 - Document - Shareholder Report, Holdings (Details) 74200007100_Franklin Federal Limited-Term Tax-Free Income Fund_Class A_TSR Annual {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportHoldingsDetails_26</Role>
      <ShortName>Shareholder Report, Holdings (Details) 74200007100_Franklin Federal Limited-Term Tax-Free Income Fund_Class A_TSR Annual</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>80</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R81.htm</HtmlFileName>
      <LongName>040118 - Document - Shareholder Report, Line Graph (Details) 74200007100_Franklin Federal Limited-Term Tax-Free Income Fund_Class A1_TSR Annual {Class A1}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportLineGraphDetails_27</Role>
      <ShortName>Shareholder Report, Line Graph (Details) 74200007100_Franklin Federal Limited-Term Tax-Free Income Fund_Class A1_TSR Annual {Class A1}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>81</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R82.htm</HtmlFileName>
      <LongName>040119 - Document - Shareholder Report, Average Annual Return (Details) 74200007100_Franklin Federal Limited-Term Tax-Free Income Fund_Class A1_TSR Annual {Class A1}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportAverageAnnualReturnDetails_27</Role>
      <ShortName>Shareholder Report, Average Annual Return (Details) 74200007100_Franklin Federal Limited-Term Tax-Free Income Fund_Class A1_TSR Annual {Class A1}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>82</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R83.htm</HtmlFileName>
      <LongName>040120 - Document - Shareholder Report, Holdings (Details) 74200007100_Franklin Federal Limited-Term Tax-Free Income Fund_Class A1_TSR Annual {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportHoldingsDetails_27</Role>
      <ShortName>Shareholder Report, Holdings (Details) 74200007100_Franklin Federal Limited-Term Tax-Free Income Fund_Class A1_TSR Annual</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>83</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R84.htm</HtmlFileName>
      <LongName>040122 - Document - Shareholder Report, Line Graph (Details) 74200007100_Franklin Federal Limited-Term Tax-Free Income Fund_Class R6_TSR Annual {Class R6}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportLineGraphDetails_28</Role>
      <ShortName>Shareholder Report, Line Graph (Details) 74200007100_Franklin Federal Limited-Term Tax-Free Income Fund_Class R6_TSR Annual {Class R6}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>84</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R85.htm</HtmlFileName>
      <LongName>040123 - Document - Shareholder Report, Average Annual Return (Details) 74200007100_Franklin Federal Limited-Term Tax-Free Income Fund_Class R6_TSR Annual {Class R6}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportAverageAnnualReturnDetails_28</Role>
      <ShortName>Shareholder Report, Average Annual Return (Details) 74200007100_Franklin Federal Limited-Term Tax-Free Income Fund_Class R6_TSR Annual {Class R6}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>85</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R86.htm</HtmlFileName>
      <LongName>040124 - Document - Shareholder Report, Holdings (Details) 74200007100_Franklin Federal Limited-Term Tax-Free Income Fund_Class R6_TSR Annual {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportHoldingsDetails_28</Role>
      <ShortName>Shareholder Report, Holdings (Details) 74200007100_Franklin Federal Limited-Term Tax-Free Income Fund_Class R6_TSR Annual</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>86</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R87.htm</HtmlFileName>
      <LongName>040126 - Document - Shareholder Report, Line Graph (Details) 74200007100_Franklin Federal Limited-Term Tax-Free Income Fund_Advisor Class_TSR Annual {Advisor Class}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportLineGraphDetails_29</Role>
      <ShortName>Shareholder Report, Line Graph (Details) 74200007100_Franklin Federal Limited-Term Tax-Free Income Fund_Advisor Class_TSR Annual {Advisor Class}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>87</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R88.htm</HtmlFileName>
      <LongName>040127 - Document - Shareholder Report, Average Annual Return (Details) 74200007100_Franklin Federal Limited-Term Tax-Free Income Fund_Advisor Class_TSR Annual {Advisor Class}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportAverageAnnualReturnDetails_29</Role>
      <ShortName>Shareholder Report, Average Annual Return (Details) 74200007100_Franklin Federal Limited-Term Tax-Free Income Fund_Advisor Class_TSR Annual {Advisor Class}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>88</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R89.htm</HtmlFileName>
      <LongName>040128 - Document - Shareholder Report, Holdings (Details) 74200007100_Franklin Federal Limited-Term Tax-Free Income Fund_Advisor Class_TSR Annual {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportHoldingsDetails_29</Role>
      <ShortName>Shareholder Report, Holdings (Details) 74200007100_Franklin Federal Limited-Term Tax-Free Income Fund_Advisor Class_TSR Annual</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>89</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R90.htm</HtmlFileName>
      <LongName>040130 - Document - Shareholder Report, Line Graph (Details) 74200006800_Franklin Georgia Tax-Free Income Fund_Class A_TSR Annual {Class A}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportLineGraphDetails_30</Role>
      <ShortName>Shareholder Report, Line Graph (Details) 74200006800_Franklin Georgia Tax-Free Income Fund_Class A_TSR Annual {Class A}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>90</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R91.htm</HtmlFileName>
      <LongName>040131 - Document - Shareholder Report, Average Annual Return (Details) 74200006800_Franklin Georgia Tax-Free Income Fund_Class A_TSR Annual {Class A}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportAverageAnnualReturnDetails_30</Role>
      <ShortName>Shareholder Report, Average Annual Return (Details) 74200006800_Franklin Georgia Tax-Free Income Fund_Class A_TSR Annual {Class A}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>91</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R92.htm</HtmlFileName>
      <LongName>040132 - Document - Shareholder Report, Holdings (Details) 74200006800_Franklin Georgia Tax-Free Income Fund_Class A_TSR Annual {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportHoldingsDetails_30</Role>
      <ShortName>Shareholder Report, Holdings (Details) 74200006800_Franklin Georgia Tax-Free Income Fund_Class A_TSR Annual</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>92</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R93.htm</HtmlFileName>
      <LongName>040134 - Document - Shareholder Report, Line Graph (Details) 74200006800_Franklin Georgia Tax-Free Income Fund_Class A1_TSR Annual {Class A1}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportLineGraphDetails_31</Role>
      <ShortName>Shareholder Report, Line Graph (Details) 74200006800_Franklin Georgia Tax-Free Income Fund_Class A1_TSR Annual {Class A1}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>93</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R94.htm</HtmlFileName>
      <LongName>040135 - Document - Shareholder Report, Average Annual Return (Details) 74200006800_Franklin Georgia Tax-Free Income Fund_Class A1_TSR Annual {Class A1}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportAverageAnnualReturnDetails_31</Role>
      <ShortName>Shareholder Report, Average Annual Return (Details) 74200006800_Franklin Georgia Tax-Free Income Fund_Class A1_TSR Annual {Class A1}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>94</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R95.htm</HtmlFileName>
      <LongName>040136 - Document - Shareholder Report, Holdings (Details) 74200006800_Franklin Georgia Tax-Free Income Fund_Class A1_TSR Annual {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportHoldingsDetails_31</Role>
      <ShortName>Shareholder Report, Holdings (Details) 74200006800_Franklin Georgia Tax-Free Income Fund_Class A1_TSR Annual</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>95</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R96.htm</HtmlFileName>
      <LongName>040138 - Document - Shareholder Report, Line Graph (Details) 74200006800_Franklin Georgia Tax-Free Income Fund_Class C_TSR Annual {Class C}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportLineGraphDetails_32</Role>
      <ShortName>Shareholder Report, Line Graph (Details) 74200006800_Franklin Georgia Tax-Free Income Fund_Class C_TSR Annual {Class C}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>96</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R97.htm</HtmlFileName>
      <LongName>040139 - Document - Shareholder Report, Average Annual Return (Details) 74200006800_Franklin Georgia Tax-Free Income Fund_Class C_TSR Annual {Class C}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportAverageAnnualReturnDetails_32</Role>
      <ShortName>Shareholder Report, Average Annual Return (Details) 74200006800_Franklin Georgia Tax-Free Income Fund_Class C_TSR Annual {Class C}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>97</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R98.htm</HtmlFileName>
      <LongName>040140 - Document - Shareholder Report, Holdings (Details) 74200006800_Franklin Georgia Tax-Free Income Fund_Class C_TSR Annual {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportHoldingsDetails_32</Role>
      <ShortName>Shareholder Report, Holdings (Details) 74200006800_Franklin Georgia Tax-Free Income Fund_Class C_TSR Annual</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>98</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R99.htm</HtmlFileName>
      <LongName>040142 - Document - Shareholder Report, Line Graph (Details) 74200006800_Franklin Georgia Tax-Free Income Fund_Class R6_TSR Annual {Class R6}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportLineGraphDetails_33</Role>
      <ShortName>Shareholder Report, Line Graph (Details) 74200006800_Franklin Georgia Tax-Free Income Fund_Class R6_TSR Annual {Class R6}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>99</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R100.htm</HtmlFileName>
      <LongName>040143 - Document - Shareholder Report, Average Annual Return (Details) 74200006800_Franklin Georgia Tax-Free Income Fund_Class R6_TSR Annual {Class R6}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportAverageAnnualReturnDetails_33</Role>
      <ShortName>Shareholder Report, Average Annual Return (Details) 74200006800_Franklin Georgia Tax-Free Income Fund_Class R6_TSR Annual {Class R6}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>100</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R101.htm</HtmlFileName>
      <LongName>040144 - Document - Shareholder Report, Holdings (Details) 74200006800_Franklin Georgia Tax-Free Income Fund_Class R6_TSR Annual {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportHoldingsDetails_33</Role>
      <ShortName>Shareholder Report, Holdings (Details) 74200006800_Franklin Georgia Tax-Free Income Fund_Class R6_TSR Annual</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>101</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R102.htm</HtmlFileName>
      <LongName>040146 - Document - Shareholder Report, Line Graph (Details) 74200006800_Franklin Georgia Tax-Free Income Fund_Advisor Class_TSR Annual {Advisor Class}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportLineGraphDetails_34</Role>
      <ShortName>Shareholder Report, Line Graph (Details) 74200006800_Franklin Georgia Tax-Free Income Fund_Advisor Class_TSR Annual {Advisor Class}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>102</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R103.htm</HtmlFileName>
      <LongName>040147 - Document - Shareholder Report, Average Annual Return (Details) 74200006800_Franklin Georgia Tax-Free Income Fund_Advisor Class_TSR Annual {Advisor Class}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportAverageAnnualReturnDetails_34</Role>
      <ShortName>Shareholder Report, Average Annual Return (Details) 74200006800_Franklin Georgia Tax-Free Income Fund_Advisor Class_TSR Annual {Advisor Class}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>103</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R104.htm</HtmlFileName>
      <LongName>040148 - Document - Shareholder Report, Holdings (Details) 74200006800_Franklin Georgia Tax-Free Income Fund_Advisor Class_TSR Annual {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportHoldingsDetails_34</Role>
      <ShortName>Shareholder Report, Holdings (Details) 74200006800_Franklin Georgia Tax-Free Income Fund_Advisor Class_TSR Annual</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>104</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R105.htm</HtmlFileName>
      <LongName>040150 - Document - Shareholder Report, Line Graph (Details) 74200007000_Franklin High Yield Tax-Free Income Fund_Class A_TSR Annual {Class A}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportLineGraphDetails_35</Role>
      <ShortName>Shareholder Report, Line Graph (Details) 74200007000_Franklin High Yield Tax-Free Income Fund_Class A_TSR Annual {Class A}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>105</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R106.htm</HtmlFileName>
      <LongName>040151 - Document - Shareholder Report, Average Annual Return (Details) 74200007000_Franklin High Yield Tax-Free Income Fund_Class A_TSR Annual {Class A}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportAverageAnnualReturnDetails_35</Role>
      <ShortName>Shareholder Report, Average Annual Return (Details) 74200007000_Franklin High Yield Tax-Free Income Fund_Class A_TSR Annual {Class A}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>106</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R107.htm</HtmlFileName>
      <LongName>040152 - Document - Shareholder Report, Holdings (Details) 74200007000_Franklin High Yield Tax-Free Income Fund_Class A_TSR Annual {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportHoldingsDetails_35</Role>
      <ShortName>Shareholder Report, Holdings (Details) 74200007000_Franklin High Yield Tax-Free Income Fund_Class A_TSR Annual</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>107</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R108.htm</HtmlFileName>
      <LongName>040154 - Document - Shareholder Report, Line Graph (Details) 74200007000_Franklin High Yield Tax-Free Income Fund_Class A1_TSR Annual {Class A1}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportLineGraphDetails_36</Role>
      <ShortName>Shareholder Report, Line Graph (Details) 74200007000_Franklin High Yield Tax-Free Income Fund_Class A1_TSR Annual {Class A1}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>108</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R109.htm</HtmlFileName>
      <LongName>040155 - Document - Shareholder Report, Average Annual Return (Details) 74200007000_Franklin High Yield Tax-Free Income Fund_Class A1_TSR Annual {Class A1}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportAverageAnnualReturnDetails_36</Role>
      <ShortName>Shareholder Report, Average Annual Return (Details) 74200007000_Franklin High Yield Tax-Free Income Fund_Class A1_TSR Annual {Class A1}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>109</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R110.htm</HtmlFileName>
      <LongName>040156 - Document - Shareholder Report, Holdings (Details) 74200007000_Franklin High Yield Tax-Free Income Fund_Class A1_TSR Annual {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportHoldingsDetails_36</Role>
      <ShortName>Shareholder Report, Holdings (Details) 74200007000_Franklin High Yield Tax-Free Income Fund_Class A1_TSR Annual</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>110</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R111.htm</HtmlFileName>
      <LongName>040158 - Document - Shareholder Report, Line Graph (Details) 74200007000_Franklin High Yield Tax-Free Income Fund_Class C_TSR Annual {Class C}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportLineGraphDetails_37</Role>
      <ShortName>Shareholder Report, Line Graph (Details) 74200007000_Franklin High Yield Tax-Free Income Fund_Class C_TSR Annual {Class C}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>111</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R112.htm</HtmlFileName>
      <LongName>040159 - Document - Shareholder Report, Average Annual Return (Details) 74200007000_Franklin High Yield Tax-Free Income Fund_Class C_TSR Annual {Class C}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportAverageAnnualReturnDetails_37</Role>
      <ShortName>Shareholder Report, Average Annual Return (Details) 74200007000_Franklin High Yield Tax-Free Income Fund_Class C_TSR Annual {Class C}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>112</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R113.htm</HtmlFileName>
      <LongName>040160 - Document - Shareholder Report, Holdings (Details) 74200007000_Franklin High Yield Tax-Free Income Fund_Class C_TSR Annual {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportHoldingsDetails_37</Role>
      <ShortName>Shareholder Report, Holdings (Details) 74200007000_Franklin High Yield Tax-Free Income Fund_Class C_TSR Annual</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>113</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R114.htm</HtmlFileName>
      <LongName>040162 - Document - Shareholder Report, Line Graph (Details) 74200007000_Franklin High Yield Tax-Free Income Fund_Class R6_TSR Annual {Class R6}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportLineGraphDetails_38</Role>
      <ShortName>Shareholder Report, Line Graph (Details) 74200007000_Franklin High Yield Tax-Free Income Fund_Class R6_TSR Annual {Class R6}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>114</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R115.htm</HtmlFileName>
      <LongName>040163 - Document - Shareholder Report, Average Annual Return (Details) 74200007000_Franklin High Yield Tax-Free Income Fund_Class R6_TSR Annual {Class R6}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportAverageAnnualReturnDetails_38</Role>
      <ShortName>Shareholder Report, Average Annual Return (Details) 74200007000_Franklin High Yield Tax-Free Income Fund_Class R6_TSR Annual {Class R6}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>115</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R116.htm</HtmlFileName>
      <LongName>040164 - Document - Shareholder Report, Holdings (Details) 74200007000_Franklin High Yield Tax-Free Income Fund_Class R6_TSR Annual {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportHoldingsDetails_38</Role>
      <ShortName>Shareholder Report, Holdings (Details) 74200007000_Franklin High Yield Tax-Free Income Fund_Class R6_TSR Annual</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>116</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R117.htm</HtmlFileName>
      <LongName>040166 - Document - Shareholder Report, Line Graph (Details) 74200007000_Franklin High Yield Tax-Free Income Fund_Advisor Class_TSR Annual {Advisor Class}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportLineGraphDetails_39</Role>
      <ShortName>Shareholder Report, Line Graph (Details) 74200007000_Franklin High Yield Tax-Free Income Fund_Advisor Class_TSR Annual {Advisor Class}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>117</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R118.htm</HtmlFileName>
      <LongName>040167 - Document - Shareholder Report, Average Annual Return (Details) 74200007000_Franklin High Yield Tax-Free Income Fund_Advisor Class_TSR Annual {Advisor Class}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportAverageAnnualReturnDetails_39</Role>
      <ShortName>Shareholder Report, Average Annual Return (Details) 74200007000_Franklin High Yield Tax-Free Income Fund_Advisor Class_TSR Annual {Advisor Class}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>118</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R119.htm</HtmlFileName>
      <LongName>040168 - Document - Shareholder Report, Holdings (Details) 74200007000_Franklin High Yield Tax-Free Income Fund_Advisor Class_TSR Annual {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportHoldingsDetails_39</Role>
      <ShortName>Shareholder Report, Holdings (Details) 74200007000_Franklin High Yield Tax-Free Income Fund_Advisor Class_TSR Annual</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>119</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R120.htm</HtmlFileName>
      <LongName>040170 - Document - Shareholder Report, Line Graph (Details) 74200007900_Franklin Louisiana Tax-Free Income Fund_Class A_TSR Annual {Class A}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportLineGraphDetails_40</Role>
      <ShortName>Shareholder Report, Line Graph (Details) 74200007900_Franklin Louisiana Tax-Free Income Fund_Class A_TSR Annual {Class A}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>120</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R121.htm</HtmlFileName>
      <LongName>040171 - Document - Shareholder Report, Average Annual Return (Details) 74200007900_Franklin Louisiana Tax-Free Income Fund_Class A_TSR Annual {Class A}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportAverageAnnualReturnDetails_40</Role>
      <ShortName>Shareholder Report, Average Annual Return (Details) 74200007900_Franklin Louisiana Tax-Free Income Fund_Class A_TSR Annual {Class A}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>121</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R122.htm</HtmlFileName>
      <LongName>040172 - Document - Shareholder Report, Holdings (Details) 74200007900_Franklin Louisiana Tax-Free Income Fund_Class A_TSR Annual {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportHoldingsDetails_40</Role>
      <ShortName>Shareholder Report, Holdings (Details) 74200007900_Franklin Louisiana Tax-Free Income Fund_Class A_TSR Annual</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>122</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R123.htm</HtmlFileName>
      <LongName>040174 - Document - Shareholder Report, Line Graph (Details) 74200007900_Franklin Louisiana Tax-Free Income Fund_Class A1_TSR Annual {Class A1}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportLineGraphDetails_41</Role>
      <ShortName>Shareholder Report, Line Graph (Details) 74200007900_Franklin Louisiana Tax-Free Income Fund_Class A1_TSR Annual {Class A1}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>123</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R124.htm</HtmlFileName>
      <LongName>040175 - Document - Shareholder Report, Average Annual Return (Details) 74200007900_Franklin Louisiana Tax-Free Income Fund_Class A1_TSR Annual {Class A1}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportAverageAnnualReturnDetails_41</Role>
      <ShortName>Shareholder Report, Average Annual Return (Details) 74200007900_Franklin Louisiana Tax-Free Income Fund_Class A1_TSR Annual {Class A1}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>124</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R125.htm</HtmlFileName>
      <LongName>040176 - Document - Shareholder Report, Holdings (Details) 74200007900_Franklin Louisiana Tax-Free Income Fund_Class A1_TSR Annual {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportHoldingsDetails_41</Role>
      <ShortName>Shareholder Report, Holdings (Details) 74200007900_Franklin Louisiana Tax-Free Income Fund_Class A1_TSR Annual</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>125</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R126.htm</HtmlFileName>
      <LongName>040178 - Document - Shareholder Report, Line Graph (Details) 74200007900_Franklin Louisiana Tax-Free Income Fund_Class C_TSR Annual {Class C}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportLineGraphDetails_42</Role>
      <ShortName>Shareholder Report, Line Graph (Details) 74200007900_Franklin Louisiana Tax-Free Income Fund_Class C_TSR Annual {Class C}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>126</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R127.htm</HtmlFileName>
      <LongName>040179 - Document - Shareholder Report, Average Annual Return (Details) 74200007900_Franklin Louisiana Tax-Free Income Fund_Class C_TSR Annual {Class C}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportAverageAnnualReturnDetails_42</Role>
      <ShortName>Shareholder Report, Average Annual Return (Details) 74200007900_Franklin Louisiana Tax-Free Income Fund_Class C_TSR Annual {Class C}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>127</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R128.htm</HtmlFileName>
      <LongName>040180 - Document - Shareholder Report, Holdings (Details) 74200007900_Franklin Louisiana Tax-Free Income Fund_Class C_TSR Annual {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportHoldingsDetails_42</Role>
      <ShortName>Shareholder Report, Holdings (Details) 74200007900_Franklin Louisiana Tax-Free Income Fund_Class C_TSR Annual</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>128</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R129.htm</HtmlFileName>
      <LongName>040182 - Document - Shareholder Report, Line Graph (Details) 74200007900_Franklin Louisiana Tax-Free Income Fund_Class R6_TSR Annual {Class R6}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportLineGraphDetails_43</Role>
      <ShortName>Shareholder Report, Line Graph (Details) 74200007900_Franklin Louisiana Tax-Free Income Fund_Class R6_TSR Annual {Class R6}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>129</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R130.htm</HtmlFileName>
      <LongName>040183 - Document - Shareholder Report, Average Annual Return (Details) 74200007900_Franklin Louisiana Tax-Free Income Fund_Class R6_TSR Annual {Class R6}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportAverageAnnualReturnDetails_43</Role>
      <ShortName>Shareholder Report, Average Annual Return (Details) 74200007900_Franklin Louisiana Tax-Free Income Fund_Class R6_TSR Annual {Class R6}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>130</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R131.htm</HtmlFileName>
      <LongName>040184 - Document - Shareholder Report, Holdings (Details) 74200007900_Franklin Louisiana Tax-Free Income Fund_Class R6_TSR Annual {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportHoldingsDetails_43</Role>
      <ShortName>Shareholder Report, Holdings (Details) 74200007900_Franklin Louisiana Tax-Free Income Fund_Class R6_TSR Annual</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>131</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R132.htm</HtmlFileName>
      <LongName>040186 - Document - Shareholder Report, Line Graph (Details) 74200007900_Franklin Louisiana Tax-Free Income Fund_Advisor Class_TSR Annual {Advisor Class}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportLineGraphDetails_44</Role>
      <ShortName>Shareholder Report, Line Graph (Details) 74200007900_Franklin Louisiana Tax-Free Income Fund_Advisor Class_TSR Annual {Advisor Class}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>132</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R133.htm</HtmlFileName>
      <LongName>040187 - Document - Shareholder Report, Average Annual Return (Details) 74200007900_Franklin Louisiana Tax-Free Income Fund_Advisor Class_TSR Annual {Advisor Class}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportAverageAnnualReturnDetails_44</Role>
      <ShortName>Shareholder Report, Average Annual Return (Details) 74200007900_Franklin Louisiana Tax-Free Income Fund_Advisor Class_TSR Annual {Advisor Class}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>133</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R134.htm</HtmlFileName>
      <LongName>040188 - Document - Shareholder Report, Holdings (Details) 74200007900_Franklin Louisiana Tax-Free Income Fund_Advisor Class_TSR Annual {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportHoldingsDetails_44</Role>
      <ShortName>Shareholder Report, Holdings (Details) 74200007900_Franklin Louisiana Tax-Free Income Fund_Advisor Class_TSR Annual</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>134</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R135.htm</HtmlFileName>
      <LongName>040190 - Document - Shareholder Report, Line Graph (Details) 74200008000_Franklin Maryland Tax-Free Income Fund_Class A_TSR Annual {Class A}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportLineGraphDetails_45</Role>
      <ShortName>Shareholder Report, Line Graph (Details) 74200008000_Franklin Maryland Tax-Free Income Fund_Class A_TSR Annual {Class A}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>135</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R136.htm</HtmlFileName>
      <LongName>040191 - Document - Shareholder Report, Average Annual Return (Details) 74200008000_Franklin Maryland Tax-Free Income Fund_Class A_TSR Annual {Class A}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportAverageAnnualReturnDetails_45</Role>
      <ShortName>Shareholder Report, Average Annual Return (Details) 74200008000_Franklin Maryland Tax-Free Income Fund_Class A_TSR Annual {Class A}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>136</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R137.htm</HtmlFileName>
      <LongName>040192 - Document - Shareholder Report, Holdings (Details) 74200008000_Franklin Maryland Tax-Free Income Fund_Class A_TSR Annual {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportHoldingsDetails_45</Role>
      <ShortName>Shareholder Report, Holdings (Details) 74200008000_Franklin Maryland Tax-Free Income Fund_Class A_TSR Annual</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>137</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R138.htm</HtmlFileName>
      <LongName>040194 - Document - Shareholder Report, Line Graph (Details) 74200008000_Franklin Maryland Tax-Free Income Fund_Class A1_TSR Annual {Class A1}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportLineGraphDetails_46</Role>
      <ShortName>Shareholder Report, Line Graph (Details) 74200008000_Franklin Maryland Tax-Free Income Fund_Class A1_TSR Annual {Class A1}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>138</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R139.htm</HtmlFileName>
      <LongName>040195 - Document - Shareholder Report, Average Annual Return (Details) 74200008000_Franklin Maryland Tax-Free Income Fund_Class A1_TSR Annual {Class A1}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportAverageAnnualReturnDetails_46</Role>
      <ShortName>Shareholder Report, Average Annual Return (Details) 74200008000_Franklin Maryland Tax-Free Income Fund_Class A1_TSR Annual {Class A1}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>139</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R140.htm</HtmlFileName>
      <LongName>040196 - Document - Shareholder Report, Holdings (Details) 74200008000_Franklin Maryland Tax-Free Income Fund_Class A1_TSR Annual {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportHoldingsDetails_46</Role>
      <ShortName>Shareholder Report, Holdings (Details) 74200008000_Franklin Maryland Tax-Free Income Fund_Class A1_TSR Annual</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>140</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R141.htm</HtmlFileName>
      <LongName>040198 - Document - Shareholder Report, Line Graph (Details) 74200008000_Franklin Maryland Tax-Free Income Fund_Class C_TSR Annual {Class C}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportLineGraphDetails_47</Role>
      <ShortName>Shareholder Report, Line Graph (Details) 74200008000_Franklin Maryland Tax-Free Income Fund_Class C_TSR Annual {Class C}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>141</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R142.htm</HtmlFileName>
      <LongName>040199 - Document - Shareholder Report, Average Annual Return (Details) 74200008000_Franklin Maryland Tax-Free Income Fund_Class C_TSR Annual {Class C}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportAverageAnnualReturnDetails_47</Role>
      <ShortName>Shareholder Report, Average Annual Return (Details) 74200008000_Franklin Maryland Tax-Free Income Fund_Class C_TSR Annual {Class C}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>142</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R143.htm</HtmlFileName>
      <LongName>040200 - Document - Shareholder Report, Holdings (Details) 74200008000_Franklin Maryland Tax-Free Income Fund_Class C_TSR Annual {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportHoldingsDetails_47</Role>
      <ShortName>Shareholder Report, Holdings (Details) 74200008000_Franklin Maryland Tax-Free Income Fund_Class C_TSR Annual</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>143</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R144.htm</HtmlFileName>
      <LongName>040202 - Document - Shareholder Report, Line Graph (Details) 74200008000_Franklin Maryland Tax-Free Income Fund_Class R6_TSR Annual {Class R6}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportLineGraphDetails_48</Role>
      <ShortName>Shareholder Report, Line Graph (Details) 74200008000_Franklin Maryland Tax-Free Income Fund_Class R6_TSR Annual {Class R6}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>144</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R145.htm</HtmlFileName>
      <LongName>040203 - Document - Shareholder Report, Average Annual Return (Details) 74200008000_Franklin Maryland Tax-Free Income Fund_Class R6_TSR Annual {Class R6}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportAverageAnnualReturnDetails_48</Role>
      <ShortName>Shareholder Report, Average Annual Return (Details) 74200008000_Franklin Maryland Tax-Free Income Fund_Class R6_TSR Annual {Class R6}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>145</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R146.htm</HtmlFileName>
      <LongName>040204 - Document - Shareholder Report, Holdings (Details) 74200008000_Franklin Maryland Tax-Free Income Fund_Class R6_TSR Annual {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportHoldingsDetails_48</Role>
      <ShortName>Shareholder Report, Holdings (Details) 74200008000_Franklin Maryland Tax-Free Income Fund_Class R6_TSR Annual</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>146</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R147.htm</HtmlFileName>
      <LongName>040206 - Document - Shareholder Report, Line Graph (Details) 74200008000_Franklin Maryland Tax-Free Income Fund_Advisor Class_TSR Annual {Advisor Class}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportLineGraphDetails_49</Role>
      <ShortName>Shareholder Report, Line Graph (Details) 74200008000_Franklin Maryland Tax-Free Income Fund_Advisor Class_TSR Annual {Advisor Class}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>147</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R148.htm</HtmlFileName>
      <LongName>040207 - Document - Shareholder Report, Average Annual Return (Details) 74200008000_Franklin Maryland Tax-Free Income Fund_Advisor Class_TSR Annual {Advisor Class}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportAverageAnnualReturnDetails_49</Role>
      <ShortName>Shareholder Report, Average Annual Return (Details) 74200008000_Franklin Maryland Tax-Free Income Fund_Advisor Class_TSR Annual {Advisor Class}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>148</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R149.htm</HtmlFileName>
      <LongName>040208 - Document - Shareholder Report, Holdings (Details) 74200008000_Franklin Maryland Tax-Free Income Fund_Advisor Class_TSR Annual {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportHoldingsDetails_49</Role>
      <ShortName>Shareholder Report, Holdings (Details) 74200008000_Franklin Maryland Tax-Free Income Fund_Advisor Class_TSR Annual</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>149</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R150.htm</HtmlFileName>
      <LongName>040210 - Document - Shareholder Report, Line Graph (Details) 74200006300_Franklin Massachusetts Tax-Free Income Fund_Class A_TSR Annual {Class A}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportLineGraphDetails_50</Role>
      <ShortName>Shareholder Report, Line Graph (Details) 74200006300_Franklin Massachusetts Tax-Free Income Fund_Class A_TSR Annual {Class A}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>150</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R151.htm</HtmlFileName>
      <LongName>040211 - Document - Shareholder Report, Average Annual Return (Details) 74200006300_Franklin Massachusetts Tax-Free Income Fund_Class A_TSR Annual {Class A}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportAverageAnnualReturnDetails_50</Role>
      <ShortName>Shareholder Report, Average Annual Return (Details) 74200006300_Franklin Massachusetts Tax-Free Income Fund_Class A_TSR Annual {Class A}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>151</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R152.htm</HtmlFileName>
      <LongName>040212 - Document - Shareholder Report, Holdings (Details) 74200006300_Franklin Massachusetts Tax-Free Income Fund_Class A_TSR Annual {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportHoldingsDetails_50</Role>
      <ShortName>Shareholder Report, Holdings (Details) 74200006300_Franklin Massachusetts Tax-Free Income Fund_Class A_TSR Annual</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>152</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R153.htm</HtmlFileName>
      <LongName>040214 - Document - Shareholder Report, Line Graph (Details) 74200006300_Franklin Massachusetts Tax-Free Income Fund_Class A1_TSR Annual {Class A1}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportLineGraphDetails_51</Role>
      <ShortName>Shareholder Report, Line Graph (Details) 74200006300_Franklin Massachusetts Tax-Free Income Fund_Class A1_TSR Annual {Class A1}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>153</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R154.htm</HtmlFileName>
      <LongName>040215 - Document - Shareholder Report, Average Annual Return (Details) 74200006300_Franklin Massachusetts Tax-Free Income Fund_Class A1_TSR Annual {Class A1}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportAverageAnnualReturnDetails_51</Role>
      <ShortName>Shareholder Report, Average Annual Return (Details) 74200006300_Franklin Massachusetts Tax-Free Income Fund_Class A1_TSR Annual {Class A1}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>154</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R155.htm</HtmlFileName>
      <LongName>040216 - Document - Shareholder Report, Holdings (Details) 74200006300_Franklin Massachusetts Tax-Free Income Fund_Class A1_TSR Annual {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportHoldingsDetails_51</Role>
      <ShortName>Shareholder Report, Holdings (Details) 74200006300_Franklin Massachusetts Tax-Free Income Fund_Class A1_TSR Annual</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>155</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R156.htm</HtmlFileName>
      <LongName>040218 - Document - Shareholder Report, Line Graph (Details) 74200006300_Franklin Massachusetts Tax-Free Income Fund_Class C_TSR Annual {Class C}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportLineGraphDetails_52</Role>
      <ShortName>Shareholder Report, Line Graph (Details) 74200006300_Franklin Massachusetts Tax-Free Income Fund_Class C_TSR Annual {Class C}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>156</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R157.htm</HtmlFileName>
      <LongName>040219 - Document - Shareholder Report, Average Annual Return (Details) 74200006300_Franklin Massachusetts Tax-Free Income Fund_Class C_TSR Annual {Class C}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportAverageAnnualReturnDetails_52</Role>
      <ShortName>Shareholder Report, Average Annual Return (Details) 74200006300_Franklin Massachusetts Tax-Free Income Fund_Class C_TSR Annual {Class C}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>157</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R158.htm</HtmlFileName>
      <LongName>040220 - Document - Shareholder Report, Holdings (Details) 74200006300_Franklin Massachusetts Tax-Free Income Fund_Class C_TSR Annual {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportHoldingsDetails_52</Role>
      <ShortName>Shareholder Report, Holdings (Details) 74200006300_Franklin Massachusetts Tax-Free Income Fund_Class C_TSR Annual</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>158</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R159.htm</HtmlFileName>
      <LongName>040222 - Document - Shareholder Report, Line Graph (Details) 74200006300_Franklin Massachusetts Tax-Free Income Fund_Class R6_TSR Annual {Class R6}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportLineGraphDetails_53</Role>
      <ShortName>Shareholder Report, Line Graph (Details) 74200006300_Franklin Massachusetts Tax-Free Income Fund_Class R6_TSR Annual {Class R6}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>159</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R160.htm</HtmlFileName>
      <LongName>040223 - Document - Shareholder Report, Average Annual Return (Details) 74200006300_Franklin Massachusetts Tax-Free Income Fund_Class R6_TSR Annual {Class R6}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportAverageAnnualReturnDetails_53</Role>
      <ShortName>Shareholder Report, Average Annual Return (Details) 74200006300_Franklin Massachusetts Tax-Free Income Fund_Class R6_TSR Annual {Class R6}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>160</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R161.htm</HtmlFileName>
      <LongName>040224 - Document - Shareholder Report, Holdings (Details) 74200006300_Franklin Massachusetts Tax-Free Income Fund_Class R6_TSR Annual {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportHoldingsDetails_53</Role>
      <ShortName>Shareholder Report, Holdings (Details) 74200006300_Franklin Massachusetts Tax-Free Income Fund_Class R6_TSR Annual</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>161</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R162.htm</HtmlFileName>
      <LongName>040226 - Document - Shareholder Report, Line Graph (Details) 74200006300_Franklin Massachusetts Tax-Free Income Fund_Advisor Class_TSR Annual {Advisor Class}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportLineGraphDetails_54</Role>
      <ShortName>Shareholder Report, Line Graph (Details) 74200006300_Franklin Massachusetts Tax-Free Income Fund_Advisor Class_TSR Annual {Advisor Class}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>162</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R163.htm</HtmlFileName>
      <LongName>040227 - Document - Shareholder Report, Average Annual Return (Details) 74200006300_Franklin Massachusetts Tax-Free Income Fund_Advisor Class_TSR Annual {Advisor Class}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportAverageAnnualReturnDetails_54</Role>
      <ShortName>Shareholder Report, Average Annual Return (Details) 74200006300_Franklin Massachusetts Tax-Free Income Fund_Advisor Class_TSR Annual {Advisor Class}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>163</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R164.htm</HtmlFileName>
      <LongName>040228 - Document - Shareholder Report, Holdings (Details) 74200006300_Franklin Massachusetts Tax-Free Income Fund_Advisor Class_TSR Annual {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportHoldingsDetails_54</Role>
      <ShortName>Shareholder Report, Holdings (Details) 74200006300_Franklin Massachusetts Tax-Free Income Fund_Advisor Class_TSR Annual</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>164</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R165.htm</HtmlFileName>
      <LongName>040230 - Document - Shareholder Report, Line Graph (Details) 74200006400_Franklin Michigan Tax-Free Income Fund_Class A_TSR Annual {Class A}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportLineGraphDetails_55</Role>
      <ShortName>Shareholder Report, Line Graph (Details) 74200006400_Franklin Michigan Tax-Free Income Fund_Class A_TSR Annual {Class A}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>165</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R166.htm</HtmlFileName>
      <LongName>040231 - Document - Shareholder Report, Average Annual Return (Details) 74200006400_Franklin Michigan Tax-Free Income Fund_Class A_TSR Annual {Class A}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportAverageAnnualReturnDetails_55</Role>
      <ShortName>Shareholder Report, Average Annual Return (Details) 74200006400_Franklin Michigan Tax-Free Income Fund_Class A_TSR Annual {Class A}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>166</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R167.htm</HtmlFileName>
      <LongName>040232 - Document - Shareholder Report, Holdings (Details) 74200006400_Franklin Michigan Tax-Free Income Fund_Class A_TSR Annual {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportHoldingsDetails_55</Role>
      <ShortName>Shareholder Report, Holdings (Details) 74200006400_Franklin Michigan Tax-Free Income Fund_Class A_TSR Annual</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>167</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R168.htm</HtmlFileName>
      <LongName>040234 - Document - Shareholder Report, Line Graph (Details) 74200006400_Franklin Michigan Tax-Free Income Fund_Class A1_TSR Annual {Class A1}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportLineGraphDetails_56</Role>
      <ShortName>Shareholder Report, Line Graph (Details) 74200006400_Franklin Michigan Tax-Free Income Fund_Class A1_TSR Annual {Class A1}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>168</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R169.htm</HtmlFileName>
      <LongName>040235 - Document - Shareholder Report, Average Annual Return (Details) 74200006400_Franklin Michigan Tax-Free Income Fund_Class A1_TSR Annual {Class A1}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportAverageAnnualReturnDetails_56</Role>
      <ShortName>Shareholder Report, Average Annual Return (Details) 74200006400_Franklin Michigan Tax-Free Income Fund_Class A1_TSR Annual {Class A1}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>169</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R170.htm</HtmlFileName>
      <LongName>040236 - Document - Shareholder Report, Holdings (Details) 74200006400_Franklin Michigan Tax-Free Income Fund_Class A1_TSR Annual {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportHoldingsDetails_56</Role>
      <ShortName>Shareholder Report, Holdings (Details) 74200006400_Franklin Michigan Tax-Free Income Fund_Class A1_TSR Annual</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>170</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R171.htm</HtmlFileName>
      <LongName>040238 - Document - Shareholder Report, Line Graph (Details) 74200006400_Franklin Michigan Tax-Free Income Fund_Class C_TSR Annual {Class C}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportLineGraphDetails_57</Role>
      <ShortName>Shareholder Report, Line Graph (Details) 74200006400_Franklin Michigan Tax-Free Income Fund_Class C_TSR Annual {Class C}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>171</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R172.htm</HtmlFileName>
      <LongName>040239 - Document - Shareholder Report, Average Annual Return (Details) 74200006400_Franklin Michigan Tax-Free Income Fund_Class C_TSR Annual {Class C}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportAverageAnnualReturnDetails_57</Role>
      <ShortName>Shareholder Report, Average Annual Return (Details) 74200006400_Franklin Michigan Tax-Free Income Fund_Class C_TSR Annual {Class C}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>172</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R173.htm</HtmlFileName>
      <LongName>040240 - Document - Shareholder Report, Holdings (Details) 74200006400_Franklin Michigan Tax-Free Income Fund_Class C_TSR Annual {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportHoldingsDetails_57</Role>
      <ShortName>Shareholder Report, Holdings (Details) 74200006400_Franklin Michigan Tax-Free Income Fund_Class C_TSR Annual</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>173</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R174.htm</HtmlFileName>
      <LongName>040242 - Document - Shareholder Report, Line Graph (Details) 74200006400_Franklin Michigan Tax-Free Income Fund_Class R6_TSR Annual {Class R6}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportLineGraphDetails_58</Role>
      <ShortName>Shareholder Report, Line Graph (Details) 74200006400_Franklin Michigan Tax-Free Income Fund_Class R6_TSR Annual {Class R6}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>174</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R175.htm</HtmlFileName>
      <LongName>040243 - Document - Shareholder Report, Average Annual Return (Details) 74200006400_Franklin Michigan Tax-Free Income Fund_Class R6_TSR Annual {Class R6}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportAverageAnnualReturnDetails_58</Role>
      <ShortName>Shareholder Report, Average Annual Return (Details) 74200006400_Franklin Michigan Tax-Free Income Fund_Class R6_TSR Annual {Class R6}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>175</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R176.htm</HtmlFileName>
      <LongName>040244 - Document - Shareholder Report, Holdings (Details) 74200006400_Franklin Michigan Tax-Free Income Fund_Class R6_TSR Annual {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportHoldingsDetails_58</Role>
      <ShortName>Shareholder Report, Holdings (Details) 74200006400_Franklin Michigan Tax-Free Income Fund_Class R6_TSR Annual</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>176</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R177.htm</HtmlFileName>
      <LongName>040246 - Document - Shareholder Report, Line Graph (Details) 74200006400_Franklin Michigan Tax-Free Income Fund_Advisor Class_TSR Annual {Advisor Class}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportLineGraphDetails_59</Role>
      <ShortName>Shareholder Report, Line Graph (Details) 74200006400_Franklin Michigan Tax-Free Income Fund_Advisor Class_TSR Annual {Advisor Class}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>177</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R178.htm</HtmlFileName>
      <LongName>040247 - Document - Shareholder Report, Average Annual Return (Details) 74200006400_Franklin Michigan Tax-Free Income Fund_Advisor Class_TSR Annual {Advisor Class}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportAverageAnnualReturnDetails_59</Role>
      <ShortName>Shareholder Report, Average Annual Return (Details) 74200006400_Franklin Michigan Tax-Free Income Fund_Advisor Class_TSR Annual {Advisor Class}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>178</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R179.htm</HtmlFileName>
      <LongName>040248 - Document - Shareholder Report, Holdings (Details) 74200006400_Franklin Michigan Tax-Free Income Fund_Advisor Class_TSR Annual {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportHoldingsDetails_59</Role>
      <ShortName>Shareholder Report, Holdings (Details) 74200006400_Franklin Michigan Tax-Free Income Fund_Advisor Class_TSR Annual</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>179</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R180.htm</HtmlFileName>
      <LongName>040250 - Document - Shareholder Report, Line Graph (Details) 74200006500_Franklin Minnesota Tax-Free Income Fund_Class A_TSR Annual {Class A}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportLineGraphDetails_60</Role>
      <ShortName>Shareholder Report, Line Graph (Details) 74200006500_Franklin Minnesota Tax-Free Income Fund_Class A_TSR Annual {Class A}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>180</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R181.htm</HtmlFileName>
      <LongName>040251 - Document - Shareholder Report, Average Annual Return (Details) 74200006500_Franklin Minnesota Tax-Free Income Fund_Class A_TSR Annual {Class A}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportAverageAnnualReturnDetails_60</Role>
      <ShortName>Shareholder Report, Average Annual Return (Details) 74200006500_Franklin Minnesota Tax-Free Income Fund_Class A_TSR Annual {Class A}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>181</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R182.htm</HtmlFileName>
      <LongName>040252 - Document - Shareholder Report, Holdings (Details) 74200006500_Franklin Minnesota Tax-Free Income Fund_Class A_TSR Annual {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportHoldingsDetails_60</Role>
      <ShortName>Shareholder Report, Holdings (Details) 74200006500_Franklin Minnesota Tax-Free Income Fund_Class A_TSR Annual</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>182</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R183.htm</HtmlFileName>
      <LongName>040254 - Document - Shareholder Report, Line Graph (Details) 74200006500_Franklin Minnesota Tax-Free Income Fund_Class A1_TSR Annual {Class A1}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportLineGraphDetails_61</Role>
      <ShortName>Shareholder Report, Line Graph (Details) 74200006500_Franklin Minnesota Tax-Free Income Fund_Class A1_TSR Annual {Class A1}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>183</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R184.htm</HtmlFileName>
      <LongName>040255 - Document - Shareholder Report, Average Annual Return (Details) 74200006500_Franklin Minnesota Tax-Free Income Fund_Class A1_TSR Annual {Class A1}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportAverageAnnualReturnDetails_61</Role>
      <ShortName>Shareholder Report, Average Annual Return (Details) 74200006500_Franklin Minnesota Tax-Free Income Fund_Class A1_TSR Annual {Class A1}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>184</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R185.htm</HtmlFileName>
      <LongName>040256 - Document - Shareholder Report, Holdings (Details) 74200006500_Franklin Minnesota Tax-Free Income Fund_Class A1_TSR Annual {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportHoldingsDetails_61</Role>
      <ShortName>Shareholder Report, Holdings (Details) 74200006500_Franklin Minnesota Tax-Free Income Fund_Class A1_TSR Annual</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>185</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R186.htm</HtmlFileName>
      <LongName>040258 - Document - Shareholder Report, Line Graph (Details) 74200006500_Franklin Minnesota Tax-Free Income Fund_Class C_TSR Annual {Class C}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportLineGraphDetails_62</Role>
      <ShortName>Shareholder Report, Line Graph (Details) 74200006500_Franklin Minnesota Tax-Free Income Fund_Class C_TSR Annual {Class C}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>186</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R187.htm</HtmlFileName>
      <LongName>040259 - Document - Shareholder Report, Average Annual Return (Details) 74200006500_Franklin Minnesota Tax-Free Income Fund_Class C_TSR Annual {Class C}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportAverageAnnualReturnDetails_62</Role>
      <ShortName>Shareholder Report, Average Annual Return (Details) 74200006500_Franklin Minnesota Tax-Free Income Fund_Class C_TSR Annual {Class C}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>187</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R188.htm</HtmlFileName>
      <LongName>040260 - Document - Shareholder Report, Holdings (Details) 74200006500_Franklin Minnesota Tax-Free Income Fund_Class C_TSR Annual {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportHoldingsDetails_62</Role>
      <ShortName>Shareholder Report, Holdings (Details) 74200006500_Franklin Minnesota Tax-Free Income Fund_Class C_TSR Annual</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>188</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R189.htm</HtmlFileName>
      <LongName>040262 - Document - Shareholder Report, Line Graph (Details) 74200006500_Franklin Minnesota Tax-Free Income Fund_Class R6_TSR Annual {Class R6}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportLineGraphDetails_63</Role>
      <ShortName>Shareholder Report, Line Graph (Details) 74200006500_Franklin Minnesota Tax-Free Income Fund_Class R6_TSR Annual {Class R6}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>189</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R190.htm</HtmlFileName>
      <LongName>040263 - Document - Shareholder Report, Average Annual Return (Details) 74200006500_Franklin Minnesota Tax-Free Income Fund_Class R6_TSR Annual {Class R6}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportAverageAnnualReturnDetails_63</Role>
      <ShortName>Shareholder Report, Average Annual Return (Details) 74200006500_Franklin Minnesota Tax-Free Income Fund_Class R6_TSR Annual {Class R6}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>190</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R191.htm</HtmlFileName>
      <LongName>040264 - Document - Shareholder Report, Holdings (Details) 74200006500_Franklin Minnesota Tax-Free Income Fund_Class R6_TSR Annual {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportHoldingsDetails_63</Role>
      <ShortName>Shareholder Report, Holdings (Details) 74200006500_Franklin Minnesota Tax-Free Income Fund_Class R6_TSR Annual</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>191</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R192.htm</HtmlFileName>
      <LongName>040266 - Document - Shareholder Report, Line Graph (Details) 74200006500_Franklin Minnesota Tax-Free Income Fund_Advisor Class_TSR Annual {Advisor Class}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportLineGraphDetails_64</Role>
      <ShortName>Shareholder Report, Line Graph (Details) 74200006500_Franklin Minnesota Tax-Free Income Fund_Advisor Class_TSR Annual {Advisor Class}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>192</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R193.htm</HtmlFileName>
      <LongName>040267 - Document - Shareholder Report, Average Annual Return (Details) 74200006500_Franklin Minnesota Tax-Free Income Fund_Advisor Class_TSR Annual {Advisor Class}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportAverageAnnualReturnDetails_64</Role>
      <ShortName>Shareholder Report, Average Annual Return (Details) 74200006500_Franklin Minnesota Tax-Free Income Fund_Advisor Class_TSR Annual {Advisor Class}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>193</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R194.htm</HtmlFileName>
      <LongName>040268 - Document - Shareholder Report, Holdings (Details) 74200006500_Franklin Minnesota Tax-Free Income Fund_Advisor Class_TSR Annual {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportHoldingsDetails_64</Role>
      <ShortName>Shareholder Report, Holdings (Details) 74200006500_Franklin Minnesota Tax-Free Income Fund_Advisor Class_TSR Annual</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>194</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R195.htm</HtmlFileName>
      <LongName>040270 - Document - Shareholder Report, Line Graph (Details) 74200007200_Franklin Missouri Tax-Free Income Fund_Class A_TSR Annual {Class A}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportLineGraphDetails_65</Role>
      <ShortName>Shareholder Report, Line Graph (Details) 74200007200_Franklin Missouri Tax-Free Income Fund_Class A_TSR Annual {Class A}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>195</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R196.htm</HtmlFileName>
      <LongName>040271 - Document - Shareholder Report, Average Annual Return (Details) 74200007200_Franklin Missouri Tax-Free Income Fund_Class A_TSR Annual {Class A}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportAverageAnnualReturnDetails_65</Role>
      <ShortName>Shareholder Report, Average Annual Return (Details) 74200007200_Franklin Missouri Tax-Free Income Fund_Class A_TSR Annual {Class A}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>196</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R197.htm</HtmlFileName>
      <LongName>040272 - Document - Shareholder Report, Holdings (Details) 74200007200_Franklin Missouri Tax-Free Income Fund_Class A_TSR Annual {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportHoldingsDetails_65</Role>
      <ShortName>Shareholder Report, Holdings (Details) 74200007200_Franklin Missouri Tax-Free Income Fund_Class A_TSR Annual</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>197</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R198.htm</HtmlFileName>
      <LongName>040274 - Document - Shareholder Report, Line Graph (Details) 74200007200_Franklin Missouri Tax-Free Income Fund_Class A1_TSR Annual {Class A1}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportLineGraphDetails_66</Role>
      <ShortName>Shareholder Report, Line Graph (Details) 74200007200_Franklin Missouri Tax-Free Income Fund_Class A1_TSR Annual {Class A1}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>198</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R199.htm</HtmlFileName>
      <LongName>040275 - Document - Shareholder Report, Average Annual Return (Details) 74200007200_Franklin Missouri Tax-Free Income Fund_Class A1_TSR Annual {Class A1}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportAverageAnnualReturnDetails_66</Role>
      <ShortName>Shareholder Report, Average Annual Return (Details) 74200007200_Franklin Missouri Tax-Free Income Fund_Class A1_TSR Annual {Class A1}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>199</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R200.htm</HtmlFileName>
      <LongName>040276 - Document - Shareholder Report, Holdings (Details) 74200007200_Franklin Missouri Tax-Free Income Fund_Class A1_TSR Annual {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportHoldingsDetails_66</Role>
      <ShortName>Shareholder Report, Holdings (Details) 74200007200_Franklin Missouri Tax-Free Income Fund_Class A1_TSR Annual</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>200</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R201.htm</HtmlFileName>
      <LongName>040278 - Document - Shareholder Report, Line Graph (Details) 74200007200_Franklin Missouri Tax-Free Income Fund_Class C_TSR Annual {Class C}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportLineGraphDetails_67</Role>
      <ShortName>Shareholder Report, Line Graph (Details) 74200007200_Franklin Missouri Tax-Free Income Fund_Class C_TSR Annual {Class C}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>201</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R202.htm</HtmlFileName>
      <LongName>040279 - Document - Shareholder Report, Average Annual Return (Details) 74200007200_Franklin Missouri Tax-Free Income Fund_Class C_TSR Annual {Class C}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportAverageAnnualReturnDetails_67</Role>
      <ShortName>Shareholder Report, Average Annual Return (Details) 74200007200_Franklin Missouri Tax-Free Income Fund_Class C_TSR Annual {Class C}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>202</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R203.htm</HtmlFileName>
      <LongName>040280 - Document - Shareholder Report, Holdings (Details) 74200007200_Franklin Missouri Tax-Free Income Fund_Class C_TSR Annual {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportHoldingsDetails_67</Role>
      <ShortName>Shareholder Report, Holdings (Details) 74200007200_Franklin Missouri Tax-Free Income Fund_Class C_TSR Annual</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>203</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R204.htm</HtmlFileName>
      <LongName>040282 - Document - Shareholder Report, Line Graph (Details) 74200007200_Franklin Missouri Tax-Free Income Fund_Class R6_TSR Annual {Class R6}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportLineGraphDetails_68</Role>
      <ShortName>Shareholder Report, Line Graph (Details) 74200007200_Franklin Missouri Tax-Free Income Fund_Class R6_TSR Annual {Class R6}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>204</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R205.htm</HtmlFileName>
      <LongName>040283 - Document - Shareholder Report, Average Annual Return (Details) 74200007200_Franklin Missouri Tax-Free Income Fund_Class R6_TSR Annual {Class R6}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportAverageAnnualReturnDetails_68</Role>
      <ShortName>Shareholder Report, Average Annual Return (Details) 74200007200_Franklin Missouri Tax-Free Income Fund_Class R6_TSR Annual {Class R6}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>205</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R206.htm</HtmlFileName>
      <LongName>040284 - Document - Shareholder Report, Holdings (Details) 74200007200_Franklin Missouri Tax-Free Income Fund_Class R6_TSR Annual {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportHoldingsDetails_68</Role>
      <ShortName>Shareholder Report, Holdings (Details) 74200007200_Franklin Missouri Tax-Free Income Fund_Class R6_TSR Annual</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>206</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R207.htm</HtmlFileName>
      <LongName>040286 - Document - Shareholder Report, Line Graph (Details) 74200007200_Franklin Missouri Tax-Free Income Fund_Advisor Class_TSR Annual {Advisor Class}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportLineGraphDetails_69</Role>
      <ShortName>Shareholder Report, Line Graph (Details) 74200007200_Franklin Missouri Tax-Free Income Fund_Advisor Class_TSR Annual {Advisor Class}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>207</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R208.htm</HtmlFileName>
      <LongName>040287 - Document - Shareholder Report, Average Annual Return (Details) 74200007200_Franklin Missouri Tax-Free Income Fund_Advisor Class_TSR Annual {Advisor Class}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportAverageAnnualReturnDetails_69</Role>
      <ShortName>Shareholder Report, Average Annual Return (Details) 74200007200_Franklin Missouri Tax-Free Income Fund_Advisor Class_TSR Annual {Advisor Class}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>208</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R209.htm</HtmlFileName>
      <LongName>040288 - Document - Shareholder Report, Holdings (Details) 74200007200_Franklin Missouri Tax-Free Income Fund_Advisor Class_TSR Annual {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportHoldingsDetails_69</Role>
      <ShortName>Shareholder Report, Holdings (Details) 74200007200_Franklin Missouri Tax-Free Income Fund_Advisor Class_TSR Annual</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>209</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R210.htm</HtmlFileName>
      <LongName>040290 - Document - Shareholder Report, Line Graph (Details) 74200008200_Franklin New Jersey Tax-Free Income Fund_Class A_TSR Annual {Class A}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportLineGraphDetails_70</Role>
      <ShortName>Shareholder Report, Line Graph (Details) 74200008200_Franklin New Jersey Tax-Free Income Fund_Class A_TSR Annual {Class A}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>210</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R211.htm</HtmlFileName>
      <LongName>040291 - Document - Shareholder Report, Average Annual Return (Details) 74200008200_Franklin New Jersey Tax-Free Income Fund_Class A_TSR Annual {Class A}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportAverageAnnualReturnDetails_70</Role>
      <ShortName>Shareholder Report, Average Annual Return (Details) 74200008200_Franklin New Jersey Tax-Free Income Fund_Class A_TSR Annual {Class A}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>211</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R212.htm</HtmlFileName>
      <LongName>040292 - Document - Shareholder Report, Holdings (Details) 74200008200_Franklin New Jersey Tax-Free Income Fund_Class A_TSR Annual {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportHoldingsDetails_70</Role>
      <ShortName>Shareholder Report, Holdings (Details) 74200008200_Franklin New Jersey Tax-Free Income Fund_Class A_TSR Annual</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>212</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R213.htm</HtmlFileName>
      <LongName>040294 - Document - Shareholder Report, Line Graph (Details) 74200008200_Franklin New Jersey Tax-Free Income Fund_Class A1_TSR Annual {Class A1}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportLineGraphDetails_71</Role>
      <ShortName>Shareholder Report, Line Graph (Details) 74200008200_Franklin New Jersey Tax-Free Income Fund_Class A1_TSR Annual {Class A1}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>213</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R214.htm</HtmlFileName>
      <LongName>040295 - Document - Shareholder Report, Average Annual Return (Details) 74200008200_Franklin New Jersey Tax-Free Income Fund_Class A1_TSR Annual {Class A1}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportAverageAnnualReturnDetails_71</Role>
      <ShortName>Shareholder Report, Average Annual Return (Details) 74200008200_Franklin New Jersey Tax-Free Income Fund_Class A1_TSR Annual {Class A1}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>214</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R215.htm</HtmlFileName>
      <LongName>040296 - Document - Shareholder Report, Holdings (Details) 74200008200_Franklin New Jersey Tax-Free Income Fund_Class A1_TSR Annual {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportHoldingsDetails_71</Role>
      <ShortName>Shareholder Report, Holdings (Details) 74200008200_Franklin New Jersey Tax-Free Income Fund_Class A1_TSR Annual</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>215</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R216.htm</HtmlFileName>
      <LongName>040298 - Document - Shareholder Report, Line Graph (Details) 74200008200_Franklin New Jersey Tax-Free Income Fund_Class C_TSR Annual {Class C}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportLineGraphDetails_72</Role>
      <ShortName>Shareholder Report, Line Graph (Details) 74200008200_Franklin New Jersey Tax-Free Income Fund_Class C_TSR Annual {Class C}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>216</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R217.htm</HtmlFileName>
      <LongName>040299 - Document - Shareholder Report, Average Annual Return (Details) 74200008200_Franklin New Jersey Tax-Free Income Fund_Class C_TSR Annual {Class C}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportAverageAnnualReturnDetails_72</Role>
      <ShortName>Shareholder Report, Average Annual Return (Details) 74200008200_Franklin New Jersey Tax-Free Income Fund_Class C_TSR Annual {Class C}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>217</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R218.htm</HtmlFileName>
      <LongName>040300 - Document - Shareholder Report, Holdings (Details) 74200008200_Franklin New Jersey Tax-Free Income Fund_Class C_TSR Annual {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportHoldingsDetails_72</Role>
      <ShortName>Shareholder Report, Holdings (Details) 74200008200_Franklin New Jersey Tax-Free Income Fund_Class C_TSR Annual</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>218</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R219.htm</HtmlFileName>
      <LongName>040302 - Document - Shareholder Report, Line Graph (Details) 74200008200_Franklin New Jersey Tax-Free Income Fund_Class R6_TSR Annual {Class R6}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportLineGraphDetails_73</Role>
      <ShortName>Shareholder Report, Line Graph (Details) 74200008200_Franklin New Jersey Tax-Free Income Fund_Class R6_TSR Annual {Class R6}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>219</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R220.htm</HtmlFileName>
      <LongName>040303 - Document - Shareholder Report, Average Annual Return (Details) 74200008200_Franklin New Jersey Tax-Free Income Fund_Class R6_TSR Annual {Class R6}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportAverageAnnualReturnDetails_73</Role>
      <ShortName>Shareholder Report, Average Annual Return (Details) 74200008200_Franklin New Jersey Tax-Free Income Fund_Class R6_TSR Annual {Class R6}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>220</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R221.htm</HtmlFileName>
      <LongName>040304 - Document - Shareholder Report, Holdings (Details) 74200008200_Franklin New Jersey Tax-Free Income Fund_Class R6_TSR Annual {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportHoldingsDetails_73</Role>
      <ShortName>Shareholder Report, Holdings (Details) 74200008200_Franklin New Jersey Tax-Free Income Fund_Class R6_TSR Annual</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>221</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R222.htm</HtmlFileName>
      <LongName>040306 - Document - Shareholder Report, Line Graph (Details) 74200008200_Franklin New Jersey Tax-Free Income Fund_Advisor Class_TSR Annual {Advisor Class}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportLineGraphDetails_74</Role>
      <ShortName>Shareholder Report, Line Graph (Details) 74200008200_Franklin New Jersey Tax-Free Income Fund_Advisor Class_TSR Annual {Advisor Class}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>222</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R223.htm</HtmlFileName>
      <LongName>040307 - Document - Shareholder Report, Average Annual Return (Details) 74200008200_Franklin New Jersey Tax-Free Income Fund_Advisor Class_TSR Annual {Advisor Class}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportAverageAnnualReturnDetails_74</Role>
      <ShortName>Shareholder Report, Average Annual Return (Details) 74200008200_Franklin New Jersey Tax-Free Income Fund_Advisor Class_TSR Annual {Advisor Class}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>223</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R224.htm</HtmlFileName>
      <LongName>040308 - Document - Shareholder Report, Holdings (Details) 74200008200_Franklin New Jersey Tax-Free Income Fund_Advisor Class_TSR Annual {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportHoldingsDetails_74</Role>
      <ShortName>Shareholder Report, Holdings (Details) 74200008200_Franklin New Jersey Tax-Free Income Fund_Advisor Class_TSR Annual</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>224</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R225.htm</HtmlFileName>
      <LongName>040310 - Document - Shareholder Report, Line Graph (Details) 74200008100_Franklin North Carolina Tax-Free Income Fund_Class A_TSR Annual {Class A}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportLineGraphDetails_75</Role>
      <ShortName>Shareholder Report, Line Graph (Details) 74200008100_Franklin North Carolina Tax-Free Income Fund_Class A_TSR Annual {Class A}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>225</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R226.htm</HtmlFileName>
      <LongName>040311 - Document - Shareholder Report, Average Annual Return (Details) 74200008100_Franklin North Carolina Tax-Free Income Fund_Class A_TSR Annual {Class A}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportAverageAnnualReturnDetails_75</Role>
      <ShortName>Shareholder Report, Average Annual Return (Details) 74200008100_Franklin North Carolina Tax-Free Income Fund_Class A_TSR Annual {Class A}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>226</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R227.htm</HtmlFileName>
      <LongName>040312 - Document - Shareholder Report, Holdings (Details) 74200008100_Franklin North Carolina Tax-Free Income Fund_Class A_TSR Annual {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportHoldingsDetails_75</Role>
      <ShortName>Shareholder Report, Holdings (Details) 74200008100_Franklin North Carolina Tax-Free Income Fund_Class A_TSR Annual</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>227</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R228.htm</HtmlFileName>
      <LongName>040314 - Document - Shareholder Report, Line Graph (Details) 74200008100_Franklin North Carolina Tax-Free Income Fund_Class A1_TSR Annual {Class A1}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportLineGraphDetails_76</Role>
      <ShortName>Shareholder Report, Line Graph (Details) 74200008100_Franklin North Carolina Tax-Free Income Fund_Class A1_TSR Annual {Class A1}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>228</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R229.htm</HtmlFileName>
      <LongName>040315 - Document - Shareholder Report, Average Annual Return (Details) 74200008100_Franklin North Carolina Tax-Free Income Fund_Class A1_TSR Annual {Class A1}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportAverageAnnualReturnDetails_76</Role>
      <ShortName>Shareholder Report, Average Annual Return (Details) 74200008100_Franklin North Carolina Tax-Free Income Fund_Class A1_TSR Annual {Class A1}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>229</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R230.htm</HtmlFileName>
      <LongName>040316 - Document - Shareholder Report, Holdings (Details) 74200008100_Franklin North Carolina Tax-Free Income Fund_Class A1_TSR Annual {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportHoldingsDetails_76</Role>
      <ShortName>Shareholder Report, Holdings (Details) 74200008100_Franklin North Carolina Tax-Free Income Fund_Class A1_TSR Annual</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>230</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R231.htm</HtmlFileName>
      <LongName>040318 - Document - Shareholder Report, Line Graph (Details) 74200008100_Franklin North Carolina Tax-Free Income Fund_Class C_TSR Annual {Class C}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportLineGraphDetails_77</Role>
      <ShortName>Shareholder Report, Line Graph (Details) 74200008100_Franklin North Carolina Tax-Free Income Fund_Class C_TSR Annual {Class C}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>231</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R232.htm</HtmlFileName>
      <LongName>040319 - Document - Shareholder Report, Average Annual Return (Details) 74200008100_Franklin North Carolina Tax-Free Income Fund_Class C_TSR Annual {Class C}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportAverageAnnualReturnDetails_77</Role>
      <ShortName>Shareholder Report, Average Annual Return (Details) 74200008100_Franklin North Carolina Tax-Free Income Fund_Class C_TSR Annual {Class C}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>232</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R233.htm</HtmlFileName>
      <LongName>040320 - Document - Shareholder Report, Holdings (Details) 74200008100_Franklin North Carolina Tax-Free Income Fund_Class C_TSR Annual {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportHoldingsDetails_77</Role>
      <ShortName>Shareholder Report, Holdings (Details) 74200008100_Franklin North Carolina Tax-Free Income Fund_Class C_TSR Annual</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>233</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R234.htm</HtmlFileName>
      <LongName>040322 - Document - Shareholder Report, Line Graph (Details) 74200008100_Franklin North Carolina Tax-Free Income Fund_Class R6_TSR Annual {Class R6}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportLineGraphDetails_78</Role>
      <ShortName>Shareholder Report, Line Graph (Details) 74200008100_Franklin North Carolina Tax-Free Income Fund_Class R6_TSR Annual {Class R6}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>234</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R235.htm</HtmlFileName>
      <LongName>040323 - Document - Shareholder Report, Average Annual Return (Details) 74200008100_Franklin North Carolina Tax-Free Income Fund_Class R6_TSR Annual {Class R6}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportAverageAnnualReturnDetails_78</Role>
      <ShortName>Shareholder Report, Average Annual Return (Details) 74200008100_Franklin North Carolina Tax-Free Income Fund_Class R6_TSR Annual {Class R6}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>235</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R236.htm</HtmlFileName>
      <LongName>040324 - Document - Shareholder Report, Holdings (Details) 74200008100_Franklin North Carolina Tax-Free Income Fund_Class R6_TSR Annual {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportHoldingsDetails_78</Role>
      <ShortName>Shareholder Report, Holdings (Details) 74200008100_Franklin North Carolina Tax-Free Income Fund_Class R6_TSR Annual</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>236</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R237.htm</HtmlFileName>
      <LongName>040326 - Document - Shareholder Report, Line Graph (Details) 74200008100_Franklin North Carolina Tax-Free Income Fund_Advisor Class_TSR Annual {Advisor Class}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportLineGraphDetails_79</Role>
      <ShortName>Shareholder Report, Line Graph (Details) 74200008100_Franklin North Carolina Tax-Free Income Fund_Advisor Class_TSR Annual {Advisor Class}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>237</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R238.htm</HtmlFileName>
      <LongName>040327 - Document - Shareholder Report, Average Annual Return (Details) 74200008100_Franklin North Carolina Tax-Free Income Fund_Advisor Class_TSR Annual {Advisor Class}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportAverageAnnualReturnDetails_79</Role>
      <ShortName>Shareholder Report, Average Annual Return (Details) 74200008100_Franklin North Carolina Tax-Free Income Fund_Advisor Class_TSR Annual {Advisor Class}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>238</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R239.htm</HtmlFileName>
      <LongName>040328 - Document - Shareholder Report, Holdings (Details) 74200008100_Franklin North Carolina Tax-Free Income Fund_Advisor Class_TSR Annual {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportHoldingsDetails_79</Role>
      <ShortName>Shareholder Report, Holdings (Details) 74200008100_Franklin North Carolina Tax-Free Income Fund_Advisor Class_TSR Annual</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>239</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R240.htm</HtmlFileName>
      <LongName>040330 - Document - Shareholder Report, Line Graph (Details) 74200006600_Franklin Ohio Tax-Free Income Fund_Class A_TSR Annual {Class A}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportLineGraphDetails_80</Role>
      <ShortName>Shareholder Report, Line Graph (Details) 74200006600_Franklin Ohio Tax-Free Income Fund_Class A_TSR Annual {Class A}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>240</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R241.htm</HtmlFileName>
      <LongName>040331 - Document - Shareholder Report, Average Annual Return (Details) 74200006600_Franklin Ohio Tax-Free Income Fund_Class A_TSR Annual {Class A}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportAverageAnnualReturnDetails_80</Role>
      <ShortName>Shareholder Report, Average Annual Return (Details) 74200006600_Franklin Ohio Tax-Free Income Fund_Class A_TSR Annual {Class A}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>241</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R242.htm</HtmlFileName>
      <LongName>040332 - Document - Shareholder Report, Holdings (Details) 74200006600_Franklin Ohio Tax-Free Income Fund_Class A_TSR Annual {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportHoldingsDetails_80</Role>
      <ShortName>Shareholder Report, Holdings (Details) 74200006600_Franklin Ohio Tax-Free Income Fund_Class A_TSR Annual</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>242</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R243.htm</HtmlFileName>
      <LongName>040334 - Document - Shareholder Report, Line Graph (Details) 74200006600_Franklin Ohio Tax-Free Income Fund_Class A1_TSR Annual {Class A1}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportLineGraphDetails_81</Role>
      <ShortName>Shareholder Report, Line Graph (Details) 74200006600_Franklin Ohio Tax-Free Income Fund_Class A1_TSR Annual {Class A1}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>243</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R244.htm</HtmlFileName>
      <LongName>040335 - Document - Shareholder Report, Average Annual Return (Details) 74200006600_Franklin Ohio Tax-Free Income Fund_Class A1_TSR Annual {Class A1}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportAverageAnnualReturnDetails_81</Role>
      <ShortName>Shareholder Report, Average Annual Return (Details) 74200006600_Franklin Ohio Tax-Free Income Fund_Class A1_TSR Annual {Class A1}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>244</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R245.htm</HtmlFileName>
      <LongName>040336 - Document - Shareholder Report, Holdings (Details) 74200006600_Franklin Ohio Tax-Free Income Fund_Class A1_TSR Annual {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportHoldingsDetails_81</Role>
      <ShortName>Shareholder Report, Holdings (Details) 74200006600_Franklin Ohio Tax-Free Income Fund_Class A1_TSR Annual</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>245</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R246.htm</HtmlFileName>
      <LongName>040338 - Document - Shareholder Report, Line Graph (Details) 74200006600_Franklin Ohio Tax-Free Income Fund_Class C_TSR Annual {Class C}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportLineGraphDetails_82</Role>
      <ShortName>Shareholder Report, Line Graph (Details) 74200006600_Franklin Ohio Tax-Free Income Fund_Class C_TSR Annual {Class C}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>246</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R247.htm</HtmlFileName>
      <LongName>040339 - Document - Shareholder Report, Average Annual Return (Details) 74200006600_Franklin Ohio Tax-Free Income Fund_Class C_TSR Annual {Class C}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportAverageAnnualReturnDetails_82</Role>
      <ShortName>Shareholder Report, Average Annual Return (Details) 74200006600_Franklin Ohio Tax-Free Income Fund_Class C_TSR Annual {Class C}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>247</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R248.htm</HtmlFileName>
      <LongName>040340 - Document - Shareholder Report, Holdings (Details) 74200006600_Franklin Ohio Tax-Free Income Fund_Class C_TSR Annual {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportHoldingsDetails_82</Role>
      <ShortName>Shareholder Report, Holdings (Details) 74200006600_Franklin Ohio Tax-Free Income Fund_Class C_TSR Annual</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>248</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R249.htm</HtmlFileName>
      <LongName>040342 - Document - Shareholder Report, Line Graph (Details) 74200006600_Franklin Ohio Tax-Free Income Fund_Class R6_TSR Annual {Class R6}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportLineGraphDetails_83</Role>
      <ShortName>Shareholder Report, Line Graph (Details) 74200006600_Franklin Ohio Tax-Free Income Fund_Class R6_TSR Annual {Class R6}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>249</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R250.htm</HtmlFileName>
      <LongName>040343 - Document - Shareholder Report, Average Annual Return (Details) 74200006600_Franklin Ohio Tax-Free Income Fund_Class R6_TSR Annual {Class R6}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportAverageAnnualReturnDetails_83</Role>
      <ShortName>Shareholder Report, Average Annual Return (Details) 74200006600_Franklin Ohio Tax-Free Income Fund_Class R6_TSR Annual {Class R6}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>250</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R251.htm</HtmlFileName>
      <LongName>040344 - Document - Shareholder Report, Holdings (Details) 74200006600_Franklin Ohio Tax-Free Income Fund_Class R6_TSR Annual {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportHoldingsDetails_83</Role>
      <ShortName>Shareholder Report, Holdings (Details) 74200006600_Franklin Ohio Tax-Free Income Fund_Class R6_TSR Annual</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>251</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R252.htm</HtmlFileName>
      <LongName>040346 - Document - Shareholder Report, Line Graph (Details) 74200006600_Franklin Ohio Tax-Free Income Fund_Advisor Class_TSR Annual {Advisor Class}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportLineGraphDetails_84</Role>
      <ShortName>Shareholder Report, Line Graph (Details) 74200006600_Franklin Ohio Tax-Free Income Fund_Advisor Class_TSR Annual {Advisor Class}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>252</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R253.htm</HtmlFileName>
      <LongName>040347 - Document - Shareholder Report, Average Annual Return (Details) 74200006600_Franklin Ohio Tax-Free Income Fund_Advisor Class_TSR Annual {Advisor Class}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportAverageAnnualReturnDetails_84</Role>
      <ShortName>Shareholder Report, Average Annual Return (Details) 74200006600_Franklin Ohio Tax-Free Income Fund_Advisor Class_TSR Annual {Advisor Class}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>253</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R254.htm</HtmlFileName>
      <LongName>040348 - Document - Shareholder Report, Holdings (Details) 74200006600_Franklin Ohio Tax-Free Income Fund_Advisor Class_TSR Annual {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportHoldingsDetails_84</Role>
      <ShortName>Shareholder Report, Holdings (Details) 74200006600_Franklin Ohio Tax-Free Income Fund_Advisor Class_TSR Annual</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>254</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R255.htm</HtmlFileName>
      <LongName>040350 - Document - Shareholder Report, Line Graph (Details) 74200007300_Franklin Oregon Tax-Free Income Fund_Class A_TSR Annual {Class A}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportLineGraphDetails_85</Role>
      <ShortName>Shareholder Report, Line Graph (Details) 74200007300_Franklin Oregon Tax-Free Income Fund_Class A_TSR Annual {Class A}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>255</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R256.htm</HtmlFileName>
      <LongName>040351 - Document - Shareholder Report, Average Annual Return (Details) 74200007300_Franklin Oregon Tax-Free Income Fund_Class A_TSR Annual {Class A}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportAverageAnnualReturnDetails_85</Role>
      <ShortName>Shareholder Report, Average Annual Return (Details) 74200007300_Franklin Oregon Tax-Free Income Fund_Class A_TSR Annual {Class A}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>256</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R257.htm</HtmlFileName>
      <LongName>040352 - Document - Shareholder Report, Holdings (Details) 74200007300_Franklin Oregon Tax-Free Income Fund_Class A_TSR Annual {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportHoldingsDetails_85</Role>
      <ShortName>Shareholder Report, Holdings (Details) 74200007300_Franklin Oregon Tax-Free Income Fund_Class A_TSR Annual</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>257</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R258.htm</HtmlFileName>
      <LongName>040354 - Document - Shareholder Report, Line Graph (Details) 74200007300_Franklin Oregon Tax-Free Income Fund_Class A1_TSR Annual {Class A1}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportLineGraphDetails_86</Role>
      <ShortName>Shareholder Report, Line Graph (Details) 74200007300_Franklin Oregon Tax-Free Income Fund_Class A1_TSR Annual {Class A1}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>258</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R259.htm</HtmlFileName>
      <LongName>040355 - Document - Shareholder Report, Average Annual Return (Details) 74200007300_Franklin Oregon Tax-Free Income Fund_Class A1_TSR Annual {Class A1}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportAverageAnnualReturnDetails_86</Role>
      <ShortName>Shareholder Report, Average Annual Return (Details) 74200007300_Franklin Oregon Tax-Free Income Fund_Class A1_TSR Annual {Class A1}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>259</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R260.htm</HtmlFileName>
      <LongName>040356 - Document - Shareholder Report, Holdings (Details) 74200007300_Franklin Oregon Tax-Free Income Fund_Class A1_TSR Annual {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportHoldingsDetails_86</Role>
      <ShortName>Shareholder Report, Holdings (Details) 74200007300_Franklin Oregon Tax-Free Income Fund_Class A1_TSR Annual</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>260</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R261.htm</HtmlFileName>
      <LongName>040358 - Document - Shareholder Report, Line Graph (Details) 74200007300_Franklin Oregon Tax-Free Income Fund_Class C_TSR Annual {Class C}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportLineGraphDetails_87</Role>
      <ShortName>Shareholder Report, Line Graph (Details) 74200007300_Franklin Oregon Tax-Free Income Fund_Class C_TSR Annual {Class C}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>261</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R262.htm</HtmlFileName>
      <LongName>040359 - Document - Shareholder Report, Average Annual Return (Details) 74200007300_Franklin Oregon Tax-Free Income Fund_Class C_TSR Annual {Class C}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportAverageAnnualReturnDetails_87</Role>
      <ShortName>Shareholder Report, Average Annual Return (Details) 74200007300_Franklin Oregon Tax-Free Income Fund_Class C_TSR Annual {Class C}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>262</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R263.htm</HtmlFileName>
      <LongName>040360 - Document - Shareholder Report, Holdings (Details) 74200007300_Franklin Oregon Tax-Free Income Fund_Class C_TSR Annual {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportHoldingsDetails_87</Role>
      <ShortName>Shareholder Report, Holdings (Details) 74200007300_Franklin Oregon Tax-Free Income Fund_Class C_TSR Annual</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>263</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R264.htm</HtmlFileName>
      <LongName>040362 - Document - Shareholder Report, Line Graph (Details) 74200007300_Franklin Oregon Tax-Free Income Fund_Class R6_TSR Annual {Class R6}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportLineGraphDetails_88</Role>
      <ShortName>Shareholder Report, Line Graph (Details) 74200007300_Franklin Oregon Tax-Free Income Fund_Class R6_TSR Annual {Class R6}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>264</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R265.htm</HtmlFileName>
      <LongName>040363 - Document - Shareholder Report, Average Annual Return (Details) 74200007300_Franklin Oregon Tax-Free Income Fund_Class R6_TSR Annual {Class R6}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportAverageAnnualReturnDetails_88</Role>
      <ShortName>Shareholder Report, Average Annual Return (Details) 74200007300_Franklin Oregon Tax-Free Income Fund_Class R6_TSR Annual {Class R6}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>265</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R266.htm</HtmlFileName>
      <LongName>040364 - Document - Shareholder Report, Holdings (Details) 74200007300_Franklin Oregon Tax-Free Income Fund_Class R6_TSR Annual {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportHoldingsDetails_88</Role>
      <ShortName>Shareholder Report, Holdings (Details) 74200007300_Franklin Oregon Tax-Free Income Fund_Class R6_TSR Annual</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>266</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R267.htm</HtmlFileName>
      <LongName>040366 - Document - Shareholder Report, Line Graph (Details) 74200007300_Franklin Oregon Tax-Free Income Fund_Advisor Class_TSR Annual {Advisor Class}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportLineGraphDetails_89</Role>
      <ShortName>Shareholder Report, Line Graph (Details) 74200007300_Franklin Oregon Tax-Free Income Fund_Advisor Class_TSR Annual {Advisor Class}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>267</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R268.htm</HtmlFileName>
      <LongName>040367 - Document - Shareholder Report, Average Annual Return (Details) 74200007300_Franklin Oregon Tax-Free Income Fund_Advisor Class_TSR Annual {Advisor Class}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportAverageAnnualReturnDetails_89</Role>
      <ShortName>Shareholder Report, Average Annual Return (Details) 74200007300_Franklin Oregon Tax-Free Income Fund_Advisor Class_TSR Annual {Advisor Class}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>268</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R269.htm</HtmlFileName>
      <LongName>040368 - Document - Shareholder Report, Holdings (Details) 74200007300_Franklin Oregon Tax-Free Income Fund_Advisor Class_TSR Annual {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportHoldingsDetails_89</Role>
      <ShortName>Shareholder Report, Holdings (Details) 74200007300_Franklin Oregon Tax-Free Income Fund_Advisor Class_TSR Annual</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>269</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R270.htm</HtmlFileName>
      <LongName>040370 - Document - Shareholder Report, Line Graph (Details) 74200006900_Franklin Pennsylvania Tax-Free Income Fund_Class A_TSR Annual {Class A}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportLineGraphDetails_90</Role>
      <ShortName>Shareholder Report, Line Graph (Details) 74200006900_Franklin Pennsylvania Tax-Free Income Fund_Class A_TSR Annual {Class A}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>270</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R271.htm</HtmlFileName>
      <LongName>040371 - Document - Shareholder Report, Average Annual Return (Details) 74200006900_Franklin Pennsylvania Tax-Free Income Fund_Class A_TSR Annual {Class A}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportAverageAnnualReturnDetails_90</Role>
      <ShortName>Shareholder Report, Average Annual Return (Details) 74200006900_Franklin Pennsylvania Tax-Free Income Fund_Class A_TSR Annual {Class A}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>271</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R272.htm</HtmlFileName>
      <LongName>040372 - Document - Shareholder Report, Holdings (Details) 74200006900_Franklin Pennsylvania Tax-Free Income Fund_Class A_TSR Annual {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportHoldingsDetails_90</Role>
      <ShortName>Shareholder Report, Holdings (Details) 74200006900_Franklin Pennsylvania Tax-Free Income Fund_Class A_TSR Annual</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>272</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R273.htm</HtmlFileName>
      <LongName>040374 - Document - Shareholder Report, Line Graph (Details) 74200006900_Franklin Pennsylvania Tax-Free Income Fund_Class A1_TSR Annual {Class A1}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportLineGraphDetails_91</Role>
      <ShortName>Shareholder Report, Line Graph (Details) 74200006900_Franklin Pennsylvania Tax-Free Income Fund_Class A1_TSR Annual {Class A1}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>273</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R274.htm</HtmlFileName>
      <LongName>040375 - Document - Shareholder Report, Average Annual Return (Details) 74200006900_Franklin Pennsylvania Tax-Free Income Fund_Class A1_TSR Annual {Class A1}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportAverageAnnualReturnDetails_91</Role>
      <ShortName>Shareholder Report, Average Annual Return (Details) 74200006900_Franklin Pennsylvania Tax-Free Income Fund_Class A1_TSR Annual {Class A1}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>274</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R275.htm</HtmlFileName>
      <LongName>040376 - Document - Shareholder Report, Holdings (Details) 74200006900_Franklin Pennsylvania Tax-Free Income Fund_Class A1_TSR Annual {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportHoldingsDetails_91</Role>
      <ShortName>Shareholder Report, Holdings (Details) 74200006900_Franklin Pennsylvania Tax-Free Income Fund_Class A1_TSR Annual</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>275</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R276.htm</HtmlFileName>
      <LongName>040378 - Document - Shareholder Report, Line Graph (Details) 74200006900_Franklin Pennsylvania Tax-Free Income Fund_Class C_TSR Annual {Class C}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportLineGraphDetails_92</Role>
      <ShortName>Shareholder Report, Line Graph (Details) 74200006900_Franklin Pennsylvania Tax-Free Income Fund_Class C_TSR Annual {Class C}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>276</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R277.htm</HtmlFileName>
      <LongName>040379 - Document - Shareholder Report, Average Annual Return (Details) 74200006900_Franklin Pennsylvania Tax-Free Income Fund_Class C_TSR Annual {Class C}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportAverageAnnualReturnDetails_92</Role>
      <ShortName>Shareholder Report, Average Annual Return (Details) 74200006900_Franklin Pennsylvania Tax-Free Income Fund_Class C_TSR Annual {Class C}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>277</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R278.htm</HtmlFileName>
      <LongName>040380 - Document - Shareholder Report, Holdings (Details) 74200006900_Franklin Pennsylvania Tax-Free Income Fund_Class C_TSR Annual {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportHoldingsDetails_92</Role>
      <ShortName>Shareholder Report, Holdings (Details) 74200006900_Franklin Pennsylvania Tax-Free Income Fund_Class C_TSR Annual</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>278</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R279.htm</HtmlFileName>
      <LongName>040382 - Document - Shareholder Report, Line Graph (Details) 74200006900_Franklin Pennsylvania Tax-Free Income Fund_Class R6_TSR Annual {Class R6}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportLineGraphDetails_93</Role>
      <ShortName>Shareholder Report, Line Graph (Details) 74200006900_Franklin Pennsylvania Tax-Free Income Fund_Class R6_TSR Annual {Class R6}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>279</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R280.htm</HtmlFileName>
      <LongName>040383 - Document - Shareholder Report, Average Annual Return (Details) 74200006900_Franklin Pennsylvania Tax-Free Income Fund_Class R6_TSR Annual {Class R6}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportAverageAnnualReturnDetails_93</Role>
      <ShortName>Shareholder Report, Average Annual Return (Details) 74200006900_Franklin Pennsylvania Tax-Free Income Fund_Class R6_TSR Annual {Class R6}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>280</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R281.htm</HtmlFileName>
      <LongName>040384 - Document - Shareholder Report, Holdings (Details) 74200006900_Franklin Pennsylvania Tax-Free Income Fund_Class R6_TSR Annual {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportHoldingsDetails_93</Role>
      <ShortName>Shareholder Report, Holdings (Details) 74200006900_Franklin Pennsylvania Tax-Free Income Fund_Class R6_TSR Annual</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>281</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R282.htm</HtmlFileName>
      <LongName>040386 - Document - Shareholder Report, Line Graph (Details) 74200006900_Franklin Pennsylvania Tax-Free Income Fund_Advisor Class_TSR Annual {Advisor Class}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportLineGraphDetails_94</Role>
      <ShortName>Shareholder Report, Line Graph (Details) 74200006900_Franklin Pennsylvania Tax-Free Income Fund_Advisor Class_TSR Annual {Advisor Class}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>282</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R283.htm</HtmlFileName>
      <LongName>040387 - Document - Shareholder Report, Average Annual Return (Details) 74200006900_Franklin Pennsylvania Tax-Free Income Fund_Advisor Class_TSR Annual {Advisor Class}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportAverageAnnualReturnDetails_94</Role>
      <ShortName>Shareholder Report, Average Annual Return (Details) 74200006900_Franklin Pennsylvania Tax-Free Income Fund_Advisor Class_TSR Annual {Advisor Class}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>283</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R284.htm</HtmlFileName>
      <LongName>040388 - Document - Shareholder Report, Holdings (Details) 74200006900_Franklin Pennsylvania Tax-Free Income Fund_Advisor Class_TSR Annual {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportHoldingsDetails_94</Role>
      <ShortName>Shareholder Report, Holdings (Details) 74200006900_Franklin Pennsylvania Tax-Free Income Fund_Advisor Class_TSR Annual</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>284</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R285.htm</HtmlFileName>
      <LongName>040390 - Document - Shareholder Report, Line Graph (Details) 74200007400_Franklin Virginia Tax-Free Income Fund_Class A_TSR Annual {Class A}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportLineGraphDetails_95</Role>
      <ShortName>Shareholder Report, Line Graph (Details) 74200007400_Franklin Virginia Tax-Free Income Fund_Class A_TSR Annual {Class A}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>285</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R286.htm</HtmlFileName>
      <LongName>040391 - Document - Shareholder Report, Average Annual Return (Details) 74200007400_Franklin Virginia Tax-Free Income Fund_Class A_TSR Annual {Class A}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportAverageAnnualReturnDetails_95</Role>
      <ShortName>Shareholder Report, Average Annual Return (Details) 74200007400_Franklin Virginia Tax-Free Income Fund_Class A_TSR Annual {Class A}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>286</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R287.htm</HtmlFileName>
      <LongName>040392 - Document - Shareholder Report, Holdings (Details) 74200007400_Franklin Virginia Tax-Free Income Fund_Class A_TSR Annual {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportHoldingsDetails_95</Role>
      <ShortName>Shareholder Report, Holdings (Details) 74200007400_Franklin Virginia Tax-Free Income Fund_Class A_TSR Annual</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>287</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R288.htm</HtmlFileName>
      <LongName>040394 - Document - Shareholder Report, Line Graph (Details) 74200007400_Franklin Virginia Tax-Free Income Fund_Class A1_TSR Annual {Class A1}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportLineGraphDetails_96</Role>
      <ShortName>Shareholder Report, Line Graph (Details) 74200007400_Franklin Virginia Tax-Free Income Fund_Class A1_TSR Annual {Class A1}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>288</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R289.htm</HtmlFileName>
      <LongName>040395 - Document - Shareholder Report, Average Annual Return (Details) 74200007400_Franklin Virginia Tax-Free Income Fund_Class A1_TSR Annual {Class A1}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportAverageAnnualReturnDetails_96</Role>
      <ShortName>Shareholder Report, Average Annual Return (Details) 74200007400_Franklin Virginia Tax-Free Income Fund_Class A1_TSR Annual {Class A1}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>289</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R290.htm</HtmlFileName>
      <LongName>040396 - Document - Shareholder Report, Holdings (Details) 74200007400_Franklin Virginia Tax-Free Income Fund_Class A1_TSR Annual {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportHoldingsDetails_96</Role>
      <ShortName>Shareholder Report, Holdings (Details) 74200007400_Franklin Virginia Tax-Free Income Fund_Class A1_TSR Annual</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>290</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R291.htm</HtmlFileName>
      <LongName>040398 - Document - Shareholder Report, Line Graph (Details) 74200007400_Franklin Virginia Tax-Free Income Fund_Class C_TSR Annual {Class C}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportLineGraphDetails_97</Role>
      <ShortName>Shareholder Report, Line Graph (Details) 74200007400_Franklin Virginia Tax-Free Income Fund_Class C_TSR Annual {Class C}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>291</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R292.htm</HtmlFileName>
      <LongName>040399 - Document - Shareholder Report, Average Annual Return (Details) 74200007400_Franklin Virginia Tax-Free Income Fund_Class C_TSR Annual {Class C}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportAverageAnnualReturnDetails_97</Role>
      <ShortName>Shareholder Report, Average Annual Return (Details) 74200007400_Franklin Virginia Tax-Free Income Fund_Class C_TSR Annual {Class C}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>292</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R293.htm</HtmlFileName>
      <LongName>040400 - Document - Shareholder Report, Holdings (Details) 74200007400_Franklin Virginia Tax-Free Income Fund_Class C_TSR Annual {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportHoldingsDetails_97</Role>
      <ShortName>Shareholder Report, Holdings (Details) 74200007400_Franklin Virginia Tax-Free Income Fund_Class C_TSR Annual</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>293</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R294.htm</HtmlFileName>
      <LongName>040402 - Document - Shareholder Report, Line Graph (Details) 74200007400_Franklin Virginia Tax-Free Income Fund_Class R6_TSR Annual {Class R6}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportLineGraphDetails_98</Role>
      <ShortName>Shareholder Report, Line Graph (Details) 74200007400_Franklin Virginia Tax-Free Income Fund_Class R6_TSR Annual {Class R6}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>294</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R295.htm</HtmlFileName>
      <LongName>040403 - Document - Shareholder Report, Average Annual Return (Details) 74200007400_Franklin Virginia Tax-Free Income Fund_Class R6_TSR Annual {Class R6}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportAverageAnnualReturnDetails_98</Role>
      <ShortName>Shareholder Report, Average Annual Return (Details) 74200007400_Franklin Virginia Tax-Free Income Fund_Class R6_TSR Annual {Class R6}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>295</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R296.htm</HtmlFileName>
      <LongName>040404 - Document - Shareholder Report, Holdings (Details) 74200007400_Franklin Virginia Tax-Free Income Fund_Class R6_TSR Annual {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportHoldingsDetails_98</Role>
      <ShortName>Shareholder Report, Holdings (Details) 74200007400_Franklin Virginia Tax-Free Income Fund_Class R6_TSR Annual</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>296</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R297.htm</HtmlFileName>
      <LongName>040406 - Document - Shareholder Report, Line Graph (Details) 74200007400_Franklin Virginia Tax-Free Income Fund_Advisor Class_TSR Annual {Advisor Class}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportLineGraphDetails_99</Role>
      <ShortName>Shareholder Report, Line Graph (Details) 74200007400_Franklin Virginia Tax-Free Income Fund_Advisor Class_TSR Annual {Advisor Class}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>297</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R298.htm</HtmlFileName>
      <LongName>040407 - Document - Shareholder Report, Average Annual Return (Details) 74200007400_Franklin Virginia Tax-Free Income Fund_Advisor Class_TSR Annual {Advisor Class}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportAverageAnnualReturnDetails_99</Role>
      <ShortName>Shareholder Report, Average Annual Return (Details) 74200007400_Franklin Virginia Tax-Free Income Fund_Advisor Class_TSR Annual {Advisor Class}</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>298</Position>
    </Report>
    <Report instance="ftft-efp23708_ncsr.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R299.htm</HtmlFileName>
      <LongName>040408 - Document - Shareholder Report, Holdings (Details) 74200007400_Franklin Virginia Tax-Free Income Fund_Advisor Class_TSR Annual {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tsr/role/ShareholderReportHoldingsDetails_99</Role>
      <ShortName>Shareholder Report, Holdings (Details) 74200007400_Franklin Virginia Tax-Free Income Fund_Advisor Class_TSR Annual</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>299</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <LongName>All Reports</LongName>
      <ReportType>Book</ReportType>
      <ShortName>All Reports</ShortName>
    </Report>
  </MyReports>
  <InputFiles>
    <File doctype="N-CSR" isDefinitelyNotFs="true" isNcsr="true" isOEF="true" isRRorOEF="true" isUsgaap="true" original="ftft-efp23708_ncsr.htm">ftft-efp23708_ncsr.htm</File>
    <File>tsr-20260228.xsd</File>
    <File>tsr-20260228_def.xml</File>
    <File>tsr-20260228_lab.xml</File>
    <File>tsr-20260228_pre.xml</File>
  </InputFiles>
  <SupplementalFiles>
    <File>img11308_202405310907293.jpg</File>
    <File>img2195_202408190904545.jpg</File>
    <File>img2199_202405220716489.jpg</File>
    <File>ts6667img003.jpg</File>
    <File>ts6667img004.jpg</File>
    <File>ts6668img003.jpg</File>
    <File>ts6668img004.jpg</File>
    <File>ts6669img003.jpg</File>
    <File>ts6669img004.jpg</File>
    <File>ts6670img003.jpg</File>
    <File>ts6670img004.jpg</File>
    <File>ts6671img003.jpg</File>
    <File>ts6671img004.jpg</File>
    <File>ts6685img003.jpg</File>
    <File>ts6685img004.jpg</File>
    <File>ts6686img003.jpg</File>
    <File>ts6686img004.jpg</File>
    <File>ts6688img003.jpg</File>
    <File>ts6688img004.jpg</File>
    <File>ts6690img003.jpg</File>
    <File>ts6690img004.jpg</File>
    <File>ts6691img003.jpg</File>
    <File>ts6691img004.jpg</File>
    <File>ts6692img003.jpg</File>
    <File>ts6692img004.jpg</File>
    <File>ts6693img003.jpg</File>
    <File>ts6693img004.jpg</File>
    <File>ts6694img003.jpg</File>
    <File>ts6694img004.jpg</File>
    <File>ts6695img003.jpg</File>
    <File>ts6695img004.jpg</File>
    <File>ts6696img003.jpg</File>
    <File>ts6696img004.jpg</File>
    <File>ts6697img003.jpg</File>
    <File>ts6697img004.jpg</File>
    <File>ts6698img003.jpg</File>
    <File>ts6698img004.jpg</File>
    <File>ts6699img003.jpg</File>
    <File>ts6699img004.jpg</File>
    <File>ts6700img003.jpg</File>
    <File>ts6700img004.jpg</File>
    <File>ts6701img003.jpg</File>
    <File>ts6701img004.jpg</File>
    <File>ts6702img003.jpg</File>
    <File>ts6702img004.jpg</File>
    <File>ts6703img003.jpg</File>
    <File>ts6703img004.jpg</File>
    <File>ts6705img003.jpg</File>
    <File>ts6705img004.jpg</File>
    <File>ts6707img003.jpg</File>
    <File>ts6707img004.jpg</File>
    <File>ts6709img003.jpg</File>
    <File>ts6709img004.jpg</File>
    <File>ts6725img003.jpg</File>
    <File>ts6725img004.jpg</File>
    <File>ts6726img003.jpg</File>
    <File>ts6726img004.jpg</File>
    <File>ts6727img003.jpg</File>
    <File>ts6727img004.jpg</File>
    <File>ts6728img003.jpg</File>
    <File>ts6728img004.jpg</File>
    <File>ts6729img003.jpg</File>
    <File>ts6729img004.jpg</File>
    <File>ts6730img003.jpg</File>
    <File>ts6730img004.jpg</File>
    <File>ts6731img003.jpg</File>
    <File>ts6731img004.jpg</File>
    <File>ts6732img003.jpg</File>
    <File>ts6732img004.jpg</File>
    <File>ts6733img003.jpg</File>
    <File>ts6733img004.jpg</File>
    <File>ts6734img003.jpg</File>
    <File>ts6734img004.jpg</File>
    <File>ts6735img003.jpg</File>
    <File>ts6735img004.jpg</File>
    <File>ts6736img003.jpg</File>
    <File>ts6736img004.jpg</File>
    <File>ts6737img003.jpg</File>
    <File>ts6737img004.jpg</File>
    <File>ts6738img003.jpg</File>
    <File>ts6738img004.jpg</File>
    <File>ts6739img003.jpg</File>
    <File>ts6739img004.jpg</File>
    <File>ts6740img003.jpg</File>
    <File>ts6740img004.jpg</File>
    <File>ts6741img003.jpg</File>
    <File>ts6741img004.jpg</File>
    <File>ts6742img003.jpg</File>
    <File>ts6742img004.jpg</File>
    <File>ts6743img003.jpg</File>
    <File>ts6743img004.jpg</File>
    <File>ts6744img003.jpg</File>
    <File>ts6744img004.jpg</File>
    <File>ts6745img003.jpg</File>
    <File>ts6745img004.jpg</File>
    <File>ts6746img003.jpg</File>
    <File>ts6746img004.jpg</File>
    <File>ts6747img003.jpg</File>
    <File>ts6747img004.jpg</File>
    <File>ts6748img003.jpg</File>
    <File>ts6748img004.jpg</File>
    <File>ts6762img003.jpg</File>
    <File>ts6762img004.jpg</File>
    <File>ts6763img003.jpg</File>
    <File>ts6763img004.jpg</File>
    <File>ts6764img003.jpg</File>
    <File>ts6764img004.jpg</File>
    <File>ts6765img003.jpg</File>
    <File>ts6765img004.jpg</File>
    <File>ts6766img003.jpg</File>
    <File>ts6766img004.jpg</File>
    <File>ts6772img003.jpg</File>
    <File>ts6772img004.jpg</File>
    <File>ts6773img003.jpg</File>
    <File>ts6773img004.jpg</File>
    <File>ts6774img003.jpg</File>
    <File>ts6774img004.jpg</File>
    <File>ts6775img003.jpg</File>
    <File>ts6775img004.jpg</File>
    <File>ts6776img003.jpg</File>
    <File>ts6776img004.jpg</File>
    <File>ts6777img003.jpg</File>
    <File>ts6777img004.jpg</File>
    <File>ts6778img003.jpg</File>
    <File>ts6778img004.jpg</File>
    <File>ts6779img003.jpg</File>
    <File>ts6779img004.jpg</File>
    <File>ts6780img003.jpg</File>
    <File>ts6780img004.jpg</File>
    <File>ts6781img003.jpg</File>
    <File>ts6781img004.jpg</File>
    <File>ts6782img003.jpg</File>
    <File>ts6782img004.jpg</File>
    <File>ts6783img003.jpg</File>
    <File>ts6783img004.jpg</File>
    <File>ts6784img003.jpg</File>
    <File>ts6784img004.jpg</File>
    <File>ts6785img003.jpg</File>
    <File>ts6785img004.jpg</File>
    <File>ts6786img003.jpg</File>
    <File>ts6786img004.jpg</File>
    <File>ts6797img003.jpg</File>
    <File>ts6797img004.jpg</File>
    <File>ts6798img003.jpg</File>
    <File>ts6798img004.jpg</File>
    <File>ts6799img003.jpg</File>
    <File>ts6799img004.jpg</File>
    <File>ts6800img003.jpg</File>
    <File>ts6800img004.jpg</File>
    <File>ts6801img003.jpg</File>
    <File>ts6801img004.jpg</File>
    <File>ts6802img003.jpg</File>
    <File>ts6802img004.jpg</File>
    <File>ts6803img003.jpg</File>
    <File>ts6803img004.jpg</File>
    <File>ts6804img003.jpg</File>
    <File>ts6804img004.jpg</File>
    <File>ts6805img003.jpg</File>
    <File>ts6805img004.jpg</File>
    <File>ts6806img003.jpg</File>
    <File>ts6806img004.jpg</File>
    <File>ts6807img003.jpg</File>
    <File>ts6807img004.jpg</File>
    <File>ts6808img003.jpg</File>
    <File>ts6808img004.jpg</File>
    <File>ts6809img003.jpg</File>
    <File>ts6809img004.jpg</File>
    <File>ts6810img003.jpg</File>
    <File>ts6810img004.jpg</File>
    <File>ts6811img003.jpg</File>
    <File>ts6811img004.jpg</File>
    <File>ts6837img003.jpg</File>
    <File>ts6837img004.jpg</File>
    <File>ts6838img003.jpg</File>
    <File>ts6838img004.jpg</File>
    <File>ts6839img003.jpg</File>
    <File>ts6839img004.jpg</File>
    <File>ts6840img003.jpg</File>
    <File>ts6840img004.jpg</File>
    <File>ts6841img003.jpg</File>
    <File>ts6841img004.jpg</File>
    <File>ts6842img003.jpg</File>
    <File>ts6842img004.jpg</File>
    <File>ts6843img003.jpg</File>
    <File>ts6843img004.jpg</File>
    <File>ts6844img003.jpg</File>
    <File>ts6844img004.jpg</File>
    <File>ts6845img003.jpg</File>
    <File>ts6845img004.jpg</File>
    <File>ts6846img003.jpg</File>
    <File>ts6846img004.jpg</File>
    <File>ts6847img003.jpg</File>
    <File>ts6847img004.jpg</File>
    <File>ts6848img003.jpg</File>
    <File>ts6848img004.jpg</File>
    <File>ts6849img003.jpg</File>
    <File>ts6849img004.jpg</File>
    <File>ts6850img003.jpg</File>
    <File>ts6850img004.jpg</File>
    <File>ts6851img003.jpg</File>
    <File>ts6851img004.jpg</File>
  </SupplementalFiles>
  <BaseTaxonomies>
    <BaseTaxonomy items="198">http://fasb.org/us-gaap/2025</BaseTaxonomy>
    <BaseTaxonomy items="204">http://xbrl.sec.gov/dei/2025</BaseTaxonomy>
    <BaseTaxonomy items="6612">http://xbrl.sec.gov/oef/2025</BaseTaxonomy>
  </BaseTaxonomies>
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>false</HasCalculationLinkbase>
</FilingSummary>