First Trust Growth Strength ETF Investment Objectives and Goals - First Trust Growth Strength ETF |
Dec. 31, 2025 |
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| Prospectus [Line Items] | |
| Risk/Return [Heading] | <span style="color:#000000;font-family:Arial;font-size:12.60pt;font-weight:bold;">First Trust Growth Strength</span><span style="color:#000000;font-family:Arial;font-size:8.10pt;font-weight:bold;position:relative;top:-4.25pt;">TM</span><span style="color:#000000;font-family:Arial;font-size:12.60pt;font-weight:bold;"> ETF (FTGS)</span> |
| Objective [Heading] | <span style="color:#000000;font-family:Arial;font-size:9.90pt;font-weight:bold;">Investment Objective</span> |
| Objective, Primary [Text Block] | The First Trust Growth StrengthTM ETF (the “Fund”) seeks investment results that correspond generally to the price and yield (before the Fund’s fees and expenses) of an equity index called The Growth StrengthTM Index (the “Index”). |