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Moore [Member] Lynn H. 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[Member] Tyler Technologies, Inc. Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Revenue from Contract with Customer [Abstract] Revenue from Contract with Customer [Abstract] Short-term lease cost Short-Term Lease, Cost Convertible Senior Notes due 2026 Debt Instrument, Fair Value Disclosure Total recurring revenues Recurring Revenue [Member] Recurring Revenue [Member] Period Period [Domain] Period [Domain] Cash paid amounts included in the measurement of lease liabilities: Cash Paid Amounts Included In The Measurement Of Lease Liabilities [Abstract] Cash Paid Amounts Included In The Measurement Of Lease Liabilities Document Type Document Type Equity investment Equity Method Investments, Fair Value Disclosure Level 3 Fair Value, Inputs, Level 3 [Member] Earnings Per Share Earnings Per Share [Text Block] Name Outstanding Recovery, Individual Name Product and Service Product and Service [Axis] Variable lease cost Variable Lease, Cost Total revenues Revenues: Revenue from Contract with Customer, Excluding Assessed Tax All Individuals All Individuals [Member] Fair Value Disclosures [Abstract] Additions to property and equipment Payments to Acquire Property, Plant, and Equipment Name Forgone Recovery, Individual Name Total current assets Assets, Current Statistical Measurement Statistical Measurement [Axis] Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested [Member] Share repurchase program, authorized, amount Share Repurchase Program, Authorized, Amount Fair Value Measurement Inputs and Valuation Techniques Fair Value Measurement Inputs and Valuation Techniques [Line Items] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Net income, basic Net Income (Loss) Available to Common Stockholders, Basic Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Schedule of Reconciliation of Operating Income from Segments to Consolidated Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table Text Block] Current liabilities: Liabilities, Current [Abstract] Other comprehensive (loss) income, net of tax Other comprehensive loss, net of tax Other comprehensive income, net of tax Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Line of Credit Facility Line of Credit Facility [Line Items] Lessee, Lease, Description Lessee, Lease, Description [Line Items] Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Level 1 Fair Value, Inputs, Level 1 [Member] Share-Based Payment Arrangement, Expensed and Capitalized, Amount Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] Leases Lessor, Operating Leases [Text Block] Accrued liabilities Increase (Decrease) in Accrued Liabilities Diluted (in dollars per share) Earnings Per Share, Diluted Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Accounts receivable (less allowance for losses and sales adjustments of $26,422 at 2026 and $31,972 at 2025) Accounts receivable - current Accounts Receivable, after Allowance for Credit Loss, Current Title of 12(b) Security Title of 12(b) Security Lessee, Lease, Description [Table] Lessee, Lease, Description [Table] Non-cash investing and financing activities: Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] Amortization expense Capitalized Contract Cost, Amortization Other Other revenues Service, Other [Member] Treasury stock (in shares) Balance (in shares) Balance (in shares) Treasury Stock, Common, Shares Earnings per common share: Earnings Per Share [Abstract] Consolidation Items Consolidation Items [Domain] Gross profit Gross Profit Allowance for credit loss Provision for Other Credit Losses Securities available-for-sale and transferred securities: Other Comprehensive Income (Loss), Available-for-Sale Securities Adjustment, Net of Tax, Portion Attributable to Parent [Abstract] Unbilled Revenues Unbilled Revenues [Member] Deferred revenue Increase (Decrease) in Contract with Customer, Liability Short-term Debt, Type Short-Term Debt, Type [Axis] Convertible Senior Notes due 2026 Convertible Senior Notes due 2026 Convertible Notes Due 2026 [Member] Convertible Notes Due 2026 Treasury stock repurchases (in shares) Treasury stock purchases (in shares) Purchases of treasury (in shares) Treasury Stock, Shares, Acquired Cash paid (received) for income taxes, net Income Taxes Paid, Net Award Timing Disclosures [Line Items] Total borrowings Long-Term Debt, Gross Revenue recognition period (in years) Revenue Recognition Period Revenue Recognition Period Operating lease renewal term (up to) (in years) Lessee, Operating Lease, Renewal Term Change in net unrealized holding (losses) gains on available-for-sale securities during the period OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax Shareholders' Equity Equity [Text Block] Prepaid commissions Capitalized Contract Cost, Net, Current Net income Net income Net income Net Income (Loss) Attributable to Parent Subsequent Event [Table] Subsequent Event [Table] Schedule of Future Minimum Operating Rental Income Operating Lease, Lease Income [Table Text Block] Expiration Date Trading Arrangement Expiration Date Property and equipment, net Property, Plant and Equipment, Net Segment Reporting Information Segment Reporting Information [Line Items] Preferred stock, shares authorized (in shares) Preferred Stock, Shares Authorized Purchase of treasury shares Payments for Repurchase of Common Stock Adoption Date Trading Arrangement Adoption Date Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Accounts receivable Increase (Decrease) in Accounts Receivable Entity Current Reporting Status Entity Current Reporting Status Operating lease term (in years) Lessee, Operating Lease, Term of Contract Customer Customer [Axis] Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Cash flows from financing activities: Cash Provided by (Used in) Financing Activity, Continuing Operation [Abstract] Operating income Total segment operating income Operating Income (Loss) Retained earnings Retained Earnings (Accumulated Deficit) Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member] Executive Category: Executive Category [Axis] Available-for-sale debt securities, loss position, non-current Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss Available-for-sale debt securities, loss position, current, number of positions Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months, Number of Positions Current Fiscal Year End Date Current Fiscal Year End Date Subsequent Event Type [Domain] Subsequent Event Type [Domain] Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table [Member] Schedule of Accounts Receivable Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Other income, net Other income, net Other Nonoperating Income (Expense) Statement [Table] Statement [Table] Deferred income tax benefit Deferred Income Tax Expense (Benefit) Adjustments to reconcile net income to cash provided by operating activities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] Accounts receivable, long-term Accounts receivable - long term Accounts Receivable, after Allowance for Credit Loss, Noncurrent Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] Variable Rate Variable Rate [Domain] Totals Beginning balance Ending balance Contract with Customer, Liability Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Proceeds and maturities from marketable security investments Proceeds from Sale and Maturity of Marketable Securities Equity investment Equity Securities, FV-NI, Current Basis of Presentation Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Antidilutive securities excluded from computation of earnings per shares (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Enterprise Software Enterprise Software Enterprise Software Segment [Member] Enterprise software. All Adjustments to Compensation All Adjustments to Compensation [Member] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Amendment Flag Amendment Flag Treasury stock, at cost; 5,701,076 and 5,027,037 shares in 2026 and 2025, respectively Treasury Stock, Common, Value Leases Lessee, Operating Leases [Text Block] Termination Date Trading Arrangement Termination Date Lease term and discount rate: Lease Term And Discount Rate [Abstract] Lease Term And Discount Rate Net cash (used) provided by financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Measure: Measure [Axis] Receivable Receivable [Domain] Weighted average discount rate (as a percent) Operating Lease, Weighted Average Discount Rate, Percent Weighted-average basic common shares outstanding (in shares) Weighted Average Number of Shares Outstanding, Basic Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table] Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table] Total cost of revenues Cost of revenues Cost of revenues Cost of Product and Service Sold Schedule of Computation of Reconciliation of Basic Earnings Per Share to Diluted Earnings Per Share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Receivables Billing Status Receivables Billing Status [Domain] Platform Technologies Platform Technologies Platform Technologies Segment [Member] Platform Technologies Segment Subsequent Events [Abstract] Subsequent Events [Abstract] Segment Reporting [Abstract] Segment Reporting [Abstract] Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Debt Disclosure [Abstract] Debt Disclosure [Abstract] Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Right-of-use assets obtained in exchange for lease obligations (non-cash): Right-Of-Use Assets Obtained In Exchange For Lease Obligations [Abstract] Right-Of-Use Assets Obtained In Exchange For Lease Obligations Entity Tax Identification Number Entity Tax Identification Number Long-term deferred commissions Capitalized Contract Cost, Net, Noncurrent Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Common stock, shares issued (in shares) Common Stock, Shares, Issued Financial Instruments Derivative Instruments and Hedging Activities Disclosures [Line Items] Weighted average remaining lease term (years) Operating Lease, Weighted Average Remaining Lease Term Interest expense Interest expense Interest Expense, Nonoperating Trading Arrangement: Trading Arrangement [Axis] Income tax payable Increase (Decrease) in Income Taxes Payable Total Shareholder Return Amount Total Shareholder Return Amount Typical contract term (in years) Revenue From Contract With Customer, Typical Contract Term Revenue From Contract With Customer, Typical Contract Term Subsequent Events Subsequent Events [Text Block] Insider Trading Arrangements [Line Items] Corporate unallocated: Corporate Unallocated Corporate Segment Reporting, Reconciling Item, Corporate Nonsegment [Member] Security Exchange Name Security Exchange Name 2028 Lessor, Operating Lease, Payment to be Received, Year Two Total liabilities Liabilities Professional services Professional services Professional Services [Member] Professional Services Antidilutive Securities, Name Antidilutive Securities, Name [Domain] Commitment fee (as a percent) Line of Credit Facility, Commitment Fee Percentage Non-cash additions to property and equipment Capital Expenditures Incurred but Not yet Paid Software development costs, net Capitalized Computer Software, Net Revolving credit facility, maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Available for sales debt securities, current Debt Securities, Available-for-Sale, Excluding Accrued Interest, Current Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Prepaid expenses Prepaid Expense, Current Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Statement [Line Items] Statement [Line Items] Variable Rate Variable Rate [Axis] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Consolidation Items Consolidation Items [Axis] Denominator: Denominator [Abstract] Denominator [Abstract] Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Cash and cash equivalents Cash and cash equivalents Cash and Cash Equivalent Fair Value Measurement Inputs and Valuation Techniques [Table] Fair Value Measurement Inputs and Valuation Techniques [Table] Subsequent Event [Line Items] Subsequent Event [Line Items] Common Stock Common Stock [Member] Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Subscriptions, maintenance, and professional services Subscriptions, Professional Services, And Maintenance [Member] Subscriptions, Professional Services, And Maintenance Non-NEOs Non-NEOs [Member] 2024 Credit Agreement Contractual interest expense - Revolving Credit Facility 2024 Credit Agreement [Member] 2024 Credit Agreement Net (decrease) in cash and cash equivalents Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation