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[Member] Fulfillment. 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Forfeited (in dollars per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price Fair Value Measurements Financial Instruments Disclosure [Text Block] Weighted-average discount rate Operating Lease, Weighted Average Discount Rate, Percent Shares available for grant (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant Computer equipment Computer Equipment [Member] Sale of Stock Sale of Stock [Axis] Invoiced set-up fees Deferred Revenue Invoiced Set Up Fees Deferred revenue Invoiced set up fees. 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Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Local Phone Number Local Phone Number Deferred revenue, non-current Contract with Customer, Liability, Noncurrent Entity Address, Postal Zip Code Entity Address, Postal Zip Code Entity Registrant Name Entity Registrant Name Income before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Commitments and contingencies (Note I) Commitments and Contingencies Gross Carrying Amount Intangible Asset, Finite-Lived, before Accumulated Amortization Property and equipment, cost Property, Plant, and Equipment, before Accumulated Depreciation, Depletion, and Amortization Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] 2030 Intangible Asset, Finite-Lived, Estimated Amortization Expense, Year Four Contract term maximum 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Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Term 2027 Intangible Asset, Finite-Lived, Estimated Amortization Expense, Year One Repurchases of common stock, net of costs (in shares) Number of shares repurchased (in shares) Treasury Stock, Shares, Acquired PEO Name PEO Name Accrued expenses Increase (Decrease) in Accrued Liabilities Leasehold improvements Leasehold Improvements [Member] Balance, beginning of period Balance, end of period Contract with Customer, Liability Long-Lived Asset, Class [Axis] Long-Lived Asset, Class [Axis] Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Entity Tax Identification Number Entity Tax Identification Number Accounts Receivable, Allowance for Credit Loss [Roll Forward] Accounts Receivable, Allowance for Credit Loss [Roll Forward] Other Commitments [Line Items] Other Commitments [Line Items] Internally developed software Internally Developed Software [Member] Internally 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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] General Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Cash paid Payments to Acquire Businesses, Gross Stock-based compensation Share-Based Payment Arrangement, Noncash Expense 2028 Intangible Asset, Finite-Lived, Estimated Amortization Expense, Year Two Total lease expense Lease, Cost Disposal Group Name [Axis] Disposal Group Name [Axis] Employee Stock Purchase Plan Employee Stock [Member] Basic (in dollars per share) Earnings Per Share, Basic Repurchases of common stock Payments for Repurchase of Common Stock Deferred revenue Contract with Customer, Liability, Current 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Summary of Supplemental Balance Sheet Information Related to Operating Leases Schedule Of Supplemental Balance Sheet Information Related To Leases [Table Text Block] Schedule of supplemental balance sheet information related to leases. 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 Debt Securities, Available-for-Sale Volatility Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate Operating lease cost Operating Lease, Cost Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Cover [Abstract] Cover [Abstract] Dividend yield Dividend yield Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Dividend Rate Concentration risk, percentage Concentration Risk, Percentage Concentration Risk Benchmark Concentration Risk Benchmark [Axis] Foreign currency translation and other Goodwill, Foreign Currency Translation, Gain (Loss) Equity Awards Adjustments Equity Awards Adjustments [Member] Remainder of 2026 Purchase Obligation, to be Paid, Remainder of Fiscal Year Total liabilities and stockholders’ equity Liabilities and Equity Variable lease cost Variable Lease, Cost Stock options Share-Based Payment Arrangement, Option [Member] Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Geographic Distribution Geographic Distribution [Domain] Tabular List, Table Tabular List [Table Text Block] Summary of Supplemental Cash Flow Information Related to Leases Schedule Of Supplemental Cash Flow Information Related To Leases [Table Text Block] Schedule of supplemental cash flow information related to leases. Other income (expense), net Other Nonoperating Income (Expense) Set up fees recognized period Set Up Fees Recognized Period Set up fees recognized period. Volatility Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Weighted Average Volatility Rate 2029 Intangible Asset, Finite-Lived, Estimated Amortization Expense, Year Three Remainder of 2026 Intangible Asset, Finite-Lived, Estimated Amortization Expense, Remainder of Fiscal Year Name Awards Close in Time to MNPI Disclosures, Individual Name Summary of Percentage of Property and Equipment Net Located at Subsidiary and Office Locations Outside of Unites States Schedule Of Percentage Of Property And Equipment Net [Table Text Block] Schedule Of Percentage Of Property And Equipment Net 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] Forfeited (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period General and administrative General and Administrative Expense International property and equipment Property, Plant and Equipment [Member] Long-Lived Asset, Class [Domain] Long-Lived Asset, Class [Domain] Revenue Recognition [Line Items] Revenue Recognition [Line Items] Revenue recognition. 2024 Program 2024 Stock Repurchase Program [Member] 2024 Stock Repurchase Program Preferred stock, shares authorized (in shares) Preferred Stock, Shares Authorized Property, Plant, and Equipment [Table] Property, Plant, and Equipment [Table] Preferred stock, $0.001 par value; 5,000,000 shares authorized; 0 shares issued and outstanding Preferred Stock, Value, Issued Adjustment to Compensation: Adjustment to Compensation [Axis] Schedule of Stockholders Equity [Line Items] Schedule Of Stockholders Equity [Line Items] Schedule of stockholders equity. Share Repurchase Program Share Repurchase Program [Axis] Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Lease incentives, expects to be utilized during future period Lessee, Operating Lease, Lease Incentives Utilized Lessee, Operating Lease, Lease Incentives Utilized Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Estimated fair value of assets and liabilities acquired: Business Combination, Recognized Asset Acquired to Liability Assumed, Excess (Less) [Abstract] Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Summary of Repurchase Agreements Schedule of Repurchase Agreements [Table Text Block] Name Measure Name Income Taxes Income Tax Disclosure [Text Block] Foreign currency translation adjustments Foreign currency translation adjustments Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, before Tax Accounts payable Accounts Payable, Current Pay vs Performance Disclosure [Line Items] Other, net Other Noncash Income (Expense) Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Total consideration Business Combination, Consideration Transferred Additional Paid-in Capital Additional Paid-in Capital [Member] Entity Filer Category Entity Filer Category Name Trading Arrangement, Individual Name Cash and cash equivalents Cash and Cash Equivalent Summary of Deferred Costs Activity Deferred Costs And Amortization [Table Text Block] Deferred costs and amortization. Concentration Risk Benchmark Concentration Risk Benchmark [Domain] Company Selected Measure Amount Company Selected Measure Amount Depreciation and amortization of property and equipment Depreciation, Depletion and Amortization Entity Address, Address Line Two Entity Address, Address Line Two Shares issued pursuant to stock awards (in shares) Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture Current assets Assets, Current [Abstract] Weighted-average remaining lease term Operating Lease, Weighted Average Remaining Lease Term Non-PEO NEO Non-PEO NEO [Member] Entity Address, Address Line One Entity Address, Address Line One Right-of-use assets obtained in exchange for operating lease liabilities Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Vested and common stock issued (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Income tax expense Income Tax Expense (Benefit) Realized gain from investments and foreign currency transactions Gain (Loss), Foreign Currency Transaction, before Tax Total estimated future purchases Purchase Obligation Developed technology Developed technology Developed technology Technology-Based Intangible Assets [Member] Award Timing Method Award Timing Method [Text Block] Net increase (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 Forecast Forecast [Member] Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Numerator Net Income (Loss) Attributable to Parent [Abstract] Deferred income tax liabilities, net Business Combination, Recognized Liability Assumed, Deferred Tax Liability Net income Net income Net income Net income Net Income (Loss) Attributable to Parent Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Location, Statement of Financial Position, Balance Location, Statement of Financial Position, Balance [Axis] Statement [Table] Statement [Table] Restatement Determination Date: Restatement Determination Date [Axis] Net proceeds from exercise of options to purchase common stock Proceeds from Stock Options Exercised Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table] Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table] Incurred deferred costs Deferred Costs Incurred Deferred costs incurred. Weighted average exercise price (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Exercise Price Summary of Deferred Revenue Liability Relating to Set-Up Fees Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] Amounts for shares purchased Share Based Compensation Arrangement By Share Based Payment Award, Value Purchased For Award Share-based compensation arrangement by share-based payment award value purchased for award. Geographic Distribution Geographic Distribution [Axis] Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block]