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[Member] Tyler Technologies, Inc. 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Equity, Type [Domain] Antidilutive Securities, Name Antidilutive Securities, Name [Domain] Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] New Accounting Pronouncements or Change in Accounting Principle [Table] Accounting Standards Update and Change in Accounting Principle [Table] Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Executive Category: Executive Category [Axis] Lessor, operating lease renewal term (up to) (in years) Lessor, Operating Lease, Renewal Term Receivable Type Receivable Type [Axis] LIABILITIES AND SHAREHOLDERS' EQUITY Liabilities and Equity [Abstract] 2030 Lessor, Operating Lease, Payment to be Received, Year Four 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] All Award Types Award Type [Domain] Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Fair Value Fair Value Disclosures [Text Block] Level 3 Fair Value, Inputs, Level 3 [Member] Supplemental cash flow information: Supplemental Cash Flow Information [Abstract] Treasury stock purchases, including excise taxes (in shares) Purchase of treasury shares, including excise taxes (in shares) Treasury stock purchases (in shares) Treasury Stock, Shares, Acquired Operating lease term (in years) Lessee, Operating Lease, Term of Contract Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] PEO Name PEO Name Debt instrument convertible (as a percent) Debt Instrument, Convertible, Threshold Percentage of Stock Price Trigger Accrued liabilities Increase (Decrease) in Accrued Liabilities Total Lessor, Operating Lease, Payment to be Received Totals Beginning balance Ending balance Contract with Customer, Liability Billing Status, Type Billing Status, Type [Axis] Short-term Debt [Table] Short-Term Debt [Table] Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Entity Tax Identification Number Entity Tax Identification Number Derivative Instruments and Hedging Activities Disclosures [Table] Derivative Instruments and Hedging Activities Disclosures [Table] Debt conversion, percentage of conversion price limitation trigger after Debt Conversion, Percentage Of Conversion Price Limitation Trigger After Debt Conversion, Percentage Of Conversion Price Limitation Trigger After Contractual interest expense Interest Expense, Debt Lessee, Lease, Description [Table] Lessee, Lease, Description [Table] Treasury stock purchases, including excise taxes Purchase of treasury shares Treasury Stock, Value, Acquired, Cost Method Cash and cash equivalents at beginning of period Cash and cash equivalents at end of period Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Accounts payable Increase (Decrease) in Accounts Payable Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Non-NEOs Non-NEOs [Member] Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member] Basis of Presentation Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Debt Instrument Debt Instrument [Axis] Subsequent Event [Table] Subsequent Event [Table] Other noncurrent liabilities Business Combination, Recognized Liability Assumed, Other Liability, Noncurrent Cash Payments to Acquire Businesses, Gross Ownership percentage (percent) Equity Method Investment, Ownership Percentage Share-based compensation expense Share-Based Payment Arrangement, Noncash Expense Net lease cost Lease, Cost Schedule of Debt Schedule of Debt [Table Text Block] Investment, Name Investment, Name [Domain] Customer Customer [Domain] Leases Lessee, Operating Leases [Text Block] Long-term Debt, Type Long-Term Debt, Type [Domain] Basic (in dollars per share) Earnings Per Share, Basic Purchase of treasury shares Payments for Repurchase of Common Stock Deferred revenue Contract with Customer, Liability, Current Total current assets Assets, Current Statistical Measurement Statistical Measurement [Axis] Insider Trading Arrangements [Line Items] Award Type Award Type [Axis] Short-term lease cost Short-Term Lease, Cost Revenue recognition period (in years) Revenue Recognition Period Revenue Recognition Period 2026 Lessor, Operating Lease, Payment to be Received, Remainder of Fiscal Year Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Accounts receivable (less allowance for losses and sales adjustments of $25,757 at 2026 and $31,972 at 2025) Accounts receivable - current Accounts Receivable, after Allowance for Credit Loss, Current Prior Businesses Acquired Prior Businesses Acquired [Member] Prior Businesses Acquired Retained earnings Retained Earnings (Accumulated Deficit) Product and Service Product and Service [Axis] Debt instrument, convertible, threshold trading (in days) Debt Instrument, Convertible, Threshold Trading Days Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member] Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Common Stock Common Stock [Member] Fair Value Measurement Fair Value Measurement [Domain] Schedule of Future Minimum Operating Rental Income Operating Lease, Lease Income [Table Text Block] Operating lease cost Operating Lease, Cost Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Cover page. Cover [Abstract] Fair Value Measurement Inputs and Valuation Techniques [Table] Fair Value Measurement Inputs and Valuation Techniques [Table] Derivative Contract [Domain] Derivative Contract [Domain] Equity Awards Adjustments Equity Awards Adjustments [Member] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Total liabilities and shareholders' equity Liabilities and Equity Variable lease cost Variable Lease, Cost Deferred tax assets Deferred Tax Assets, Net Employee Stock Option Share-Based Payment Arrangement, Option [Member] Segments Segments [Axis] Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Schedule of Accounts Receivable Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Tabular List, Table Tabular List [Table Text Block] Other long-term liabilities Increase (Decrease) in Other Noncurrent Liabilities Other income, net Other income, net Other Nonoperating Income (Expense) Convertible Senior Notes due 2031 Convertible Senior Notes Due 2031 [Member] Convertible Senior Notes Due 2031 Convertible Senior Notes (in shares) Incremental Common Shares Attributable to Dilutive Effect of Conversion of Debt Securities Name Awards Close in Time to MNPI Disclosures, Individual Name 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] Schedule of Investments Debt Securities, Trading, and Equity Securities, FV-NI [Table Text Block] General and administrative expense General and administrative expense General and administrative expense General and Administrative Expense Preferred stock, shares authorized (in shares) Preferred Stock, Shares Authorized Preferred stock, $10.00 par value; 1,000,000 shares authorized; none issued Preferred Stock, Value, Issued Adjustment to Compensation: Adjustment to Compensation [Axis] Maintenance Maintenance Maintenance Maintenance [Member] Share Repurchase Program [Axis] Share Repurchase Program [Axis] Enterprise Software Enterprise Software Enterprise Software Segment [Member] Enterprise software. Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Cash paid for interest Interest Paid, Excluding Capitalized Interest, Operating Activity Cash flows: Statement of Cash Flows [Abstract] Available for sales debt securities, current Debt Securities, Available-for-Sale, Excluding Accrued Interest, Current Lease term and discount rate: Lease Term And Discount Rate [Abstract] Lease Term And Discount Rate Credit Facility Credit Facility [Axis] Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Name Measure Name Income Tax Provision Income Tax Disclosure [Text Block] Accounts payable Accounts Payable, Current Pay vs Performance Disclosure [Line Items] Fair Value Hierarchy and NAV Fair Value Hierarchy and NAV [Domain] Other Other Noncash Income (Expense) 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 Debt Instrument Debt Instrument [Line Items] Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Total consideration Total consideration Business Combination, Consideration Transferred Platform Technologies Platform Technologies Platform Technologies Segment [Member] Platform Technologies Segment Additional Paid-in Capital Additional Paid-in Capital [Member] Entity Filer Category Entity Filer Category Short-term investments Short-Term Investments 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 Interest receivable Interest Receivable Name Trading Arrangement, Individual Name Cash and cash equivalents Cash and cash equivalents Cash and Cash Equivalent Investment in software development Payments for Software Company Selected Measure Amount Company Selected Measure Amount Schedule of Reconciliation of Operating Income from Segments to Consolidated Segment Reporting, Reconciliation of Profit (Loss) by Segment to Consolidated [Table Text Block] Income tax receivable Income Taxes Receivable Depreciation and amortization Depreciation and amortization expense: Depreciation, Depletion and Amortization SOFR Rate Secured Overnight Financing Rate (SOFR) [Member] Exercise of stock options and vesting of restricted stock units (in shares) Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture Stock, Class of Stock [Table] Stock, Class of Stock [Table] Current assets: Assets, Current [Abstract] Weighted average remaining lease term (years) Operating Lease, Weighted Average Remaining Lease Term Prime Rate Prime Rate [Member] Revenues Business Combination, Pro Forma Information, Pro Forma Revenue Non-PEO NEO Non-PEO NEO [Member] Senior Notes Senior notes Senior Notes [Member] Entity Address, Address Line One Entity Address, Address Line One Operating leases Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Typical contract term (in years) Revenue From Contract With Customer, Typical Contract Term Revenue From Contract With Customer, Typical Contract Term Income tax provision Income Tax Expense (Benefit) Total cost of revenues Cost of revenues Cost of revenues Cost of Product and Service Sold Remaining aggregate minimum purchase commitment Purchase Obligation Award Timing Method Award Timing Method [Text Block] Net (decrease) increase in cash and cash equivalents Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Professional services Professional services Professional Services [Member] Professional Services Other intangibles, net Other Intangible Assets, Net Deferred tax liabilities, net Business Combination, Recognized Liability Assumed, Deferred Tax Liability 2028 Lessor, Operating Lease, Payment to be Received, Year Two Net income Net income Net income Net Income (Loss) Attributable to Parent Long-term Debt, Type Long-Term Debt, Type [Axis] Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Statement [Table] Statement [Table] Restatement Determination Date: Restatement Determination Date [Axis] Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table] Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table] Financial Instruments Derivative Instruments and Hedging Activities Disclosures [Line Items] Schedule of Changes in Deferred Revenue Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] Denominator: Denominator [Abstract] Denominator [Abstract] Stock Awards Share-Based Payment Arrangement [Member] Revenues: Revenues [Abstract] Subscriptions, maintenance, and professional services Subscriptions, Professional Services, And Maintenance [Member] Subscriptions, Professional Services, And Maintenance Contractual interest expense - Revolving Credit Facility 2024 Credit Agreement [Member] 2024 Credit Agreement Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block]