Guarantor Obligations Guarantor Obligations [Line Items] Accumulated amortization Finite-Lived Intangible Assets, Accumulated Amortization Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Range Statistical Measurement [Domain] Business Combination, Separately Recognized Transaction [Table] Business Combination, Separately Recognized Transaction [Table] Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] Restricted cash, current Restricted Cash, Current Award Timing Predetermined Award Timing Predetermined [Flag] 2025 (remaining) Lessee, Operating Lease, Liability, to be Paid, Remainder of Fiscal Year Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Asset Class [Axis] Asset Class [Axis] Entity File Number Entity File Number Additional Paid-in Capital Additional Paid-in Capital [Member] Tabular List, Table Tabular List [Table Text Block] Leases [Abstract] Issuance of common stock net settlement of restricted stock units (in shares) Stock Issued During Period, Shares, Other Recent Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Contract assets - current Contract with Customer, Asset, after Allowance for Credit Loss, Current Crystal Sumner [Member] Crystal Sumner Unrealized (Loss) Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, before Tax Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Adjustment to Compensation: Adjustment to Compensation [Axis] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Commercial paper Commercial Paper [Member] U.S. treasury bills US Treasury Bill Securities [Member] Revenue Revenue from Contract with Customer [Text Block] Accounts payable Increase (Decrease) in Accounts Payable, Trade Schedule of Segment Reporting Information, by Segment Schedule of Segment Reporting Information, by Segment [Table Text Block] Issuance of common stock under employee stock purchase plan (in shares) Stock Issued During Period, Shares, Employee Stock Purchase Plans Revenue, remaining performance obligation, amount Revenue, Remaining Performance Obligation, Amount Schedule of Available-for-Sale Securities Reconciliation Schedule of Available-for-Sale Securities Reconciliation [Table Text Block] Adjustment to Compensation, Amount Adjustment to Compensation Amount Concentration risk, percentage Concentration Risk, Percentage Revenue, remaining performance obligation, percentage Revenue, Remaining Performance Obligation, Percentage 2025 Share Repurchase Program 2025 Share Repurchase Program [Member] 2025 Share Repurchase Program Share-based compensation expense Share-Based Payment Arrangement, Noncash Expense Technology Communications and Information Technology Stock Options Stock options, restricted stock, and employee stock purchase plan Share-Based Payment Arrangement, Option [Member] Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Todd Pollak [Member] Todd Pollak Antidilutive Securities [Axis] Antidilutive Securities [Axis] Total stockholders’ equity Beginning balance Ending balance Equity, Attributable to Parent Measurement Frequency [Axis] Measurement Frequency [Axis] Debt Securities, Available-for-Sale [Table] Debt Securities, Available-for-Sale [Table] Other comprehensive income (loss), net of taxes: Other Comprehensive Income (Loss), Net of Tax [Abstract] Insider Trading Policies and Procedures [Line Items] Share-based compensation recorded within Compensation and benefits Share based compensation Share-Based Payment Arrangement, Expense Schedule of Property and Equipment, net Property, Plant and Equipment [Table Text Block] Common stock, shares authorized (in shares) Common Stock, Shares Authorized Goodwill and Intangible Assets Disclosure [Abstract] Current assets: Assets, Current [Abstract] Total liabilities and stockholders’ equity Liabilities and Equity Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Fair Value, Measurements, Recurring Fair Value, Recurring [Member] Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Number of Options Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding [Roll Forward] Liabilities and stockholders’ equity Liabilities and Equity [Abstract] Cover [Abstract] Cover [Abstract] Maximum Maximum [Member] Vested (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Exercise Price Accounting Policies and Supplemental Information [Table] Accounting Policies [Abstract] Intangible assets, net Finite-Lived Intangible Assets, Net Schedule of Future Minimum Lease Payments Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block] Concentration Risk Type [Domain] Concentration Risk Type [Domain] Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Concentration Risks and Significant Customers Concentration Risk Disclosure [Text Block] Denominator Denominator [Abstract] Denominator Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Pay vs Performance Disclosure [Line Items] Total operating lease liabilities Operating Lease, Liability Change in foreign currency translation adjustment Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Other assets Other Assets [Member] Line of Credit Facility, Lender [Domain] Line of Credit Facility, Lender [Domain] Business Combinations Business Combination [Text Block] Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] (Loss) income before income tax expense Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Entity Shell Company Entity Shell Company Other liabilities Other Liabilities, Noncurrent Due after one year through five years Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year One Through Five Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after 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Value Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] Maturities of short-term investments Proceeds from Maturities, Prepayments and Calls of Debt Securities, Available-for-Sale Internally developed and purchased software Software and Software Development Costs [Member] Document Fiscal Period Focus Document Fiscal Period Focus Award Timing Method Award Timing Method [Text Block] Basic (in dollars per share) Net (loss) income per share attributable to common stockholders, basic (in dollars per share) Income (Loss) from Continuing Operations, Per Basic Share Furniture and fixtures Furniture and Fixtures [Member] Award Type [Axis] Award Type [Axis] Deferred revenue - non-current Contract with Customer, Liability, Noncurrent Total assets Assets 2026 Finite-Lived Intangible Asset, Expected Amortization, Year One Trading Symbol Trading Symbol Vested (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment 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payable Increase (Decrease) in Accrued Marketing Costs Increase (Decrease) in Accrued Marketing Costs Level 2 Fair Value, Inputs, Level 2 [Member] Customer 2 Customer 2 [Member] Customer 2 Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Business Combination [Domain] Business Combination [Domain] Common stock, shares, outstanding (in shares) Beginning balance (in shares) Ending balance (in shares) Common Stock, Shares, Outstanding Executive chairman long-term performance award Executive Chairman Long Term Performance Award Executive Chairman Long Term Performance Award Schedule of Short-term Investments Marketable Securities [Table Text Block] Executive chairman long-term performance award Long-Term Performance Award Arrangement with Individual Long-Term Performance Award Arrangement with Individual PEO PEO [Member] Schedule of Disaggregation of Revenue Disaggregation of Revenue [Table Text Block] Due to Issuing Banks Loans Payable to Bank, Current Changes in operating assets and liabilities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract] Issuance of common stock upon exercise of options Stock Issued During Period, Value, Stock Options Exercised Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year [Member] Schedule of Product Information [Table] Nature of Operation, Product Information, Concentration of Risk [Table] Schedule of Future Amortization Expense for Intangible Assets Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] Accumulated Deficit Retained Earnings [Member] Number of issuing bank payment settlement through transaction Number of Issuing Bank Payment Settlement through Transaction Number 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Does Not Require Recovery [Text Block] Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Repurchase of common stock, including excise tax, accrued and not yet paid Repurchase of Common Stock Accrued and Not Yet Paid Repurchase of Common Stock Accrued and Not Yet Paid Schedule of Guarantor Obligations [Table] Guarantor Obligation [Table] Non-cash operating leases expense Operating Lease, Right-of-Use Asset, Periodic Reduction Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Revenue from contract with customer, card network renewal, term (in years) Revenue from Contract with Customer, Card Network Renewal, Term Revenue from Contract with Customer, Card Network Renewal, Term Proceeds from exercise of stock options, including early exercised stock options, net of repurchase of early exercised unvested 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Right [Line Items] Class of Warrant or Right [Line Items] Schedule of Contract Balances Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] Cash flows from investing activities: Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] Unrecognized compensation costs, amount Share-Based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Net cash provided by operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Stock repurchase, transaction costs Stock Repurchased and Retired During Period, Transaction Costs Stock Repurchased and Retired During Period, Transaction Costs Operating Lease, Liability, Statement of Financial Position [Extensible Enumeration] Operating Lease, Liability, Statement of Financial Position [Extensible Enumeration] Preferred stock, par value (in dollars per share) Preferred Stock, Par or Stated Value Per Share Subsequent Event Subsequent Event [Member] Total lease cost Lease, Cost Goodwill Goodwill Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] Schedule of Components Lease Costs Lease, Cost [Table Text Block] PEO Total Compensation Amount PEO Total Compensation Amount Money market funds Money Market Funds [Member] Prepaid expenses and other current assets Prepaid Expenses and Other Current Assets [Member] Remainder of 2025 Finite-Lived Intangible Asset, Expected Amortization, Remainder of Fiscal Year Equity Components [Axis] Equity Components [Axis] Non-US Non-US [Member] Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] Accrued expenses and other current liabilities Accrued expenses and other current liabilities Accrued Liabilities And Other Liabilities, Current Accrued Liabilities And Other Liabilities, Current Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Concentration Risk [Table] Concentration Risk [Table] Capitalized internal-use software costs Capitalized Computer Software, Additions Amortized Cost Debt Securities, Available-for-Sale, Amortized Cost Other Performance Measure, Amount Other Performance Measure, Amount Weighted- Average Exercise Price per Share Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] Entity Address, State or Province Entity Address, State or Province Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Antidilutive Security, Excluded EPS Calculation [Table] Total current liabilities Liabilities, Current Credit Concentration Risk Credit Concentration Risk [Member] Marketable Securities Marketable Securities [Member] Marketable Securities Individual: Individual [Axis] Network incentives receivable Increase (Decrease) in Other Receivables Entities [Table] Entities [Table] Investments [Abstract] Investments [Abstract] Revenue share payable Accrued Marketing Costs, Current Net cash provided by investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Revenue, remaining performance obligation, expected timing of satisfaction, period (in years) Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period 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] Document Fiscal Year Focus Document Fiscal Year Focus Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Lender Name [Axis] Lender Name [Axis] Operating lease right-of-use assets, net Operating Lease, Right-of-Use Asset Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Entity Interactive Data Current Entity Interactive Data Current Operating lease cost Operating Lease, Cost Capitalization of internal-use software Payments for Software Numerator Numerator [Abstract] Numerator Unrecognized compensation cost, period for recognition (in years) Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Issuance of common stock upon exercise of options (in shares) Exercised (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period Equity [Abstract] Equity [Abstract] Options Vested, Aggregate Intrinsic Value (in USD) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Intrinsic Value Revenue from contract with customer, card network, term (in years) Revenue from Contract with Customer, Card Network, Term Revenue from Contract with Customer, Card Network, Term Schedule of Stock Options Activity Under the Plans Disclosure of Share-Based Compensation Arrangements by Share-Based Payment Award [Table Text Block] Segment Information Segment Reporting Disclosure [Text Block] Amortization period (in years) Finite-Lived Intangible Assets, Remaining Amortization Period Short-term investments Marketable Securities Settlements receivable, net Settlement Assets, Current Recurring Fair Value Measurements: Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] U.S. treasury securities U.S. treasury securities US Treasury Securities [Member] Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Long-Lived Tangible Asset [Axis] Long-Lived Tangible Asset [Axis] Class of Warrant or Right [Table] Class of Warrant or Right [Table] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. 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Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year [Member] Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Arrangement Duration Trading Arrangement Duration Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Sutton Bank Sutton Bank [Member] Sutton Bank Computer equipment Computer Equipment [Member] Deferred revenue - current Deferred revenue Contract with Customer, Liability, Current Segments [Axis] Segments [Axis] Prepaid expenses and other assets Increase (Decrease) in Prepaid Expense and Other Assets Exercise Price Award Exercise Price Entity Filer Category Entity Filer Category Local Phone Number Local Phone Number Class of Stock [Domain] Class of Stock [Domain] Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Warrants to purchase Class B common stock Warrants to Purchase Class B Common Stock [Member] Warrants to Purchase Class B Common Stock Contract assets - non-current Contract with Customer, Asset, after Allowance for Credit Loss, Noncurrent Subsequent Event Type [Axis] Subsequent Event Type [Axis] Stock Incentive Plans Share-Based Payment Arrangement [Text Block] Repurchase and retirement of common stock, including excise tax (in shares) Repurchase of early exercised stock options (in shares) Stock Repurchased and Retired During Period, Shares Assets Assets [Abstract] Credit Facility [Axis] Credit Facility [Axis] Underlying Security Market Price Change Underlying Security Market Price Change, Percent 2028 Finite-Lived Intangible Asset, Expected Amortization, Year Three Balance Sheet Location [Axis] Statement of Financial Position Location, Balance [Axis] Forfeited (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Fair Value Measurements Fair Value Disclosures [Text Block] Credit Facility [Domain] Credit Facility [Domain] Developed technology Finite-Lived Intangible Assets, Gross Stockholders’ equity: Equity, Attributable to Parent [Abstract] 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] Entity Address, Address Line One Entity Address, Address Line One Entity Address, Address Line Two Entity Address, Address Line Two Accumulated Other Comprehensive Income (Loss) AOCI Attributable to Parent [Member] Accrued expenses and other liabilities Increase (Decrease) in Accrued Liabilities and Other Operating Liabilities Operating lease liabilities, net of current portion Operating Lease, Liability, Noncurrent Business Combination, Asset Acquisition, Transaction between Entities under Common Control, and Joint Venture Formation [Abstract] Accounts payable Accounts Payable, Trade Other liabilities Other Liabilities [Member] Fair Value as of Grant Date Award Grant Date Fair Value Entity Registrant Name Entity Registrant Name Employee compensation and benefits Compensation Expense, Excluding Cost of Good and Service Sold Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Accrued tax liabilities Accrued Income Taxes Compensation and benefits Labor and Related Expense Granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period Exercisable (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Exercisable, Number Forfeited (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period Document Quarterly Report Document Quarterly Report Total assets measured at fair value Assets, Fair Value Disclosure Thereafter Finite-Lived Intangible Assets Amortization Expense After Year Three Finite-Lived Intangible Assets Amortization Expense After Year Three Number of marketable securities in unrealized loss positions Debt Securities, Available-for-Sale, Unrealized Loss Position, Number of Positions Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Counterparty Name [Domain] Counterparty Name [Domain] 2027 Lessee, Operating Lease, Liability, to be Paid, Year Two Accretion of discount on short-term investments Accretion (Amortization) of Discounts and Premiums, Investments Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Options outstanding, Weighted Average Remaining Contractual Life (in years) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Schedule of Accrued Expenses and Other Current Liabilities Schedule of Accounts Payable and Accrued Liabilities [Table Text Block] Granted (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Title Trading Arrangement, Individual Title Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Schedule of Intangible Assets Schedule of Finite-Lived Intangible Assets [Table Text Block] Restatement Determination Date: Restatement Determination Date [Axis] Restricted Stock Units and Performance Stock Units Restricted Stock Units and Performance Stock Units [Member] Restricted Stock Units and Performance Stock Units Cash purchase price Payments to Acquire Businesses, Gross Non-PEO NEO Non-PEO NEO [Member] Accounts Receivable Accounts Receivable [Member] Options outstanding, Aggregate Intrinsic Value (in USD) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Intrinsic Value Letters of credit, amount Letters of Credit Outstanding, Amount Issuance of common stock under employee stock purchase plan Stock Issued During Period, Value, Employee Stock Purchase Plan Platform services revenue, net Platform Service Revenue, Net [Member] Platform Service Revenue, Net Interest income Interest Income, Other Unrealized Gain Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain, before Tax Name Trading Arrangement, Individual Name Award Type [Domain] Award Type [Domain] Issuance of common stock upon net settlement of restricted stock units Stock Issued During Period, Value, Other 2026 Lessee, Operating Lease, Liability, to be Paid, Year One Equity Awards Adjustments Equity Awards Adjustments [Member] Leasehold improvements Leasehold Improvements [Member] Other Other Noncash Income (Expense) Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Compensation Amount Outstanding Recovery Compensation Amount Customer 1 Customer 1 [Member] Customer 1 Certificate of deposits Certificates of Deposit [Member] Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Deferred revenue recognized during the period Contract with Customer, Liability, Revenue Recognized TransactPay Business TransactPay Business [Member] TransactPay Business Share Repurchase Program [Axis] Share Repurchase Program [Axis] MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Name Awards Close in Time to MNPI Disclosures, Individual Name Beginning balance (in dollars per share) Ending balance (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Realized gains or losses reclassified out of accumulated other comprehensive loss Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, before Tax Employee Stock Purchase Plan Employee Stock [Member] Cash equivalents Cash Equivalents, at Carrying Value Deposit assets Deposit Assets Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Other services revenue Other Services Revenue [Member] Other Services Revenue Financial Instruments [Domain] Financial Instruments [Domain] Segments [Domain] Segments [Domain] Performance restricted stock units Performance Shares [Member] Short-term Investments Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block] Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Balance Sheet Location [Domain] Statement of Financial Position Location, Balance [Domain] Minimum Minimum [Member] Accumulated depreciation and amortization Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Net (loss) income attributable to common stockholders, diluted Net Income (Loss) from Continuing Operations Available to Common Shareholders, Diluted Company Selected Measure Name Company Selected Measure Name Revenue from contract with customer, card network, fees recognized Revenue from Contract with Customer, Card Network, Fees Recognized Revenue from Contract with Customer, Card Network, Fees Recognized Costs of Revenue Cost of Goods and Service [Policy Text Block] Preferred stock, $0.0001 par value; 100,000 and 100,000 shares authorized, no shares issued and outstanding as of June 30, 2025 and December 31, 2024, respectively Preferred Stock, Value, Issued Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] All Executive Categories All Executive Categories [Member] Other income (expense) Other Nonrecurring (Income) Expense Total share-based compensation expense (benefit) Share-Based Payment Arrangement, Expensed and Capitalized, Amount Common stock, $0.0001 par value: 1,500,000 and 1,500,000 Class A shares authorized, 416,198 and 470,824 shares issued and outstanding as of June 30, 2025 and December 31, 2024, respectively. 600,000 and 600,000 Class B shares authorized, 33,261 and 33,472 shares issued and outstanding as of June 30, 2025 and December 31, 2024, respectively Common Stock, Value, Issued Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Diluted (in shares) Weighted-average shares used in computing diluted net (loss) income per share attributable to common stockholders (in shares) Weighted Average Number of Shares Outstanding, Diluted Commitments and contingencies (Note 10) Commitments and Contingencies Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Business Combination [Axis] Business Combination [Axis] Entity Small Business Entity Small Business Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Other operating expenses Other Cost and Expense, Operating Preferred stock, shares outstanding (in shares) Preferred Stock, Shares Outstanding Document Transition Report Document Transition Report Oakland Lease Oakland Lease [Member] Oakland Lease Share-based compensation APIC, Share-Based Payment Arrangement, Other, Increase for Cost Recognition Underlying Securities Award Underlying Securities Amount Concentration Risk [Line Items] Concentration Risk [Line Items] Equity Component [Domain] Equity Component [Domain] Document Period End Date Document Period End Date PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Canceled and forfeited (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures and Expirations in 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Share Attributable to Common Stockholders Earnings Per Share [Text Block] Name Outstanding Recovery, Individual Name Marketing and advertising Marketing and Advertising Expense Additional paid-in capital Additional Paid in Capital Product and Service [Axis] Product and Service [Axis] Revenue from Contract with Customer Benchmark Revenue from Contract with Customer Benchmark [Member] Variable lease cost Variable Lease, Cost Net revenue Total net revenue Revenue from Contract with Customer, Excluding Assessed Tax All Individuals All Individuals [Member] Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Purchases of property and equipment Payments to Acquire Property, Plant, and Equipment Name Forgone Recovery, Individual Name Total current assets Assets, Current Restricted Cash Restricted Cash And Cash Equivalents, Current [Member] Restricted Cash And Cash Equivalents, Current Statistical Measurement [Axis] Statistical Measurement [Axis] Year-over-Year Change in Fair 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within Compensation and benefits Share-based compensation recorded within Compensation and benefits Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Letter of Credit Financial Standby Letter of Credit [Member] Entity Information [Line Items] Entity Information [Line Items] Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Customer 3 Customer 3 [Member] Customer 3 Share Repurchase Program [Domain] Share Repurchase Program [Domain] Net other comprehensive income (loss) Change in accumulated other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Current liabilities: Liabilities, Current [Abstract] Weighted - Average remaining Contractual Life (Years) / Aggregate Intrinsic Value Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Additional Disclosures [Abstract] Geographical [Axis] Geographical [Axis] Lessee, Lease, Description [Line Items] Lessee, Lease, Description [Line Items] Total operating expenses (benefit) Operating Expenses Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Settlements receivable Increase (Decrease) in Settlement Assets, Current Increase (Decrease) in Settlement Assets, Current Level 1 Fair Value, Inputs, Level 1 [Member] Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] Forecast Forecast [Member] Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Accounts receivable, net Accounts Receivable, after Allowance for Credit Loss, Current Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Title of 12(b) Security Title of 12(b) Security Exercisable, Aggregate Intrinsic Value (in USD) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Exercisable, Aggregate Intrinsic Value Lessee, Lease, Description [Table] Lessee, Lease, Description [Table] Supplemental disclosures of non-cash investing and financing activities: Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] Issuance of common stock upon exercise of common stock warrants (in shares) Issuance Of Common Stock Upon Exercise Of Common Stock Warrants Issuance Of Common Stock Upon Exercise Of Common Stock Warrants Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items] Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items] Net (loss) income per share attributable to Class A and Class B common stockholders Earnings Per Share [Abstract] Business Overview and Basis of Presentation Business Description and Basis of Presentation [Text Block] Gross profit Gross Profit Schedule of Antidilutive Securities Excluded from Computation of Diluted Net Income (Loss) Per Share Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] Short-term investments Estimated Fair Value Debt Securities, Available-for-Sale, Current Repurchase and retirement of common stock, including excise tax Repurchase of early exercised stock options Stock Repurchased and Retired During Period, Value Share-based compensation capitalized to internal-use software Stock Issuance Costs Incurred But Not Yet Paid Stock Issuance Costs Incurred But Not Yet Paid Accrued expenses and other current liabilities Accounts Payable and Accrued Liabilities [Member] Less imputed interest Lessee, Operating Lease, Liability, Undiscounted Excess Amount Exercised (in dollars per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price 2027 Finite-Lived Intangible Asset, Expected Amortization, Year Two Award Timing Disclosures [Line Items] Granted (in dollars per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Accrued compensation and benefits Employee-related Liabilities, Current Measurement Frequency [Domain] Measurement Frequency [Domain] Total lease payments Lessee, Operating Lease, Liability, to be Paid Operating lease, renewal term (in years) Lessee, Operating Lease, Renewal Term Stockholders’ Equity Transactions Equity [Text Block] Net (loss) income Net income (loss) Net (loss) income Net Income (Loss) Attributable to Parent Expiration Date Trading Arrangement Expiration Date Other accrued liabilities Other Accrued Liabilities, Current Product Information [Line Items] Product Information [Line Items] Net change in unrealized loss on short-term investments Other Comprehensive Income (Loss), Available-for-Sale Securities Adjustment, Net of Tax, Portion Attributable to Parent Property and equipment, net Property and equipment, net Property, Plant and Equipment, Net Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Preferred stock, shares authorized (in shares) Preferred Stock, Shares Authorized Geographic Concentration Risk Geographic Concentration Risk [Member] Repurchase of common stock Payments for Repurchase of Common Stock Adoption Date Trading Arrangement Adoption Date Exercisable, Weighted Average Remaining Contractual Life (in years) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Exercisable, Weighted Average Remaining Contractual Term Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Accounts receivable Increase (Decrease) in Accounts Receivable Total contract assets Contract with Customer, Asset, after Allowance for Credit Loss Proceeds from shares issued in connection with employee stock purchase plan Proceeds, Issuance of Shares, Share-Based Payment Arrangement, Excluding Option Exercised Entity Current Reporting Status Entity Current Reporting Status Customer [Axis] Customer [Axis] Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] (Loss) income from operations Operating Income (Loss) Due within one year Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, Year One Accumulated deficit Retained Earnings (Accumulated Deficit) Financial Instrument [Axis] Financial Instrument [Axis] 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] Accrued costs of revenue Accrued Cost of Revenue Accrued Cost of Revenue Current Fiscal YE Date Current Fiscal Year End Date Class of Stock [Axis] Class of Stock [Axis] 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] Weighted- average grant date fair value per share Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Other income, net Other Nonoperating Income (Expense) Professional services Professional Fees Statement [Table] Statement [Table] Adjustments to reconcile net (loss) income to net cash provided by operating activities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] Schedule of Earnings Per Share, Basic, by Common Class, Including Two Class Method [Table] Earnings Per Share, Basic, by Common Class, Including Two-Class Method [Table] Cash flows from financing activities: Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] Revenue Benchmark Revenue Benchmark [Member] Operating lease, number of square feet Operating Lease, Number of Square Feet Operating Lease, Number of Square Feet Vesting of common stock warrants Adjustments to Additional Paid in Capital, Warrant Issued Amortized Cost Debt Securities, Available-for-Sale, Amortized Cost, Fiscal Year Maturity [Abstract] Total deferred revenue Contract with Customer, Liability Antidilutive securities excluded from computation of earnings per share, amount (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Weighted-average shares used in computing net (loss) income per share attributable to Class A and Class B common stockholders Weighted Average Number of Shares Outstanding, Diluted [Abstract] 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 Estimated Fair Value Debt Securities, Available-for-Sale, Fair Value, Fiscal Year Maturity [Abstract] Leases Lessee, Operating Leases [Text Block] Termination Date Trading Arrangement Termination Date Net cash used in 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] 2024 Share Repurchase Program 2024 Share Repurchase Program [Member] 2024 Share Repurchase Program Measure: Measure [Axis] Weighted average discount rate Operating Lease, Weighted Average Discount Rate, Percent Long-Lived Tangible Asset [Domain] Long-Lived Tangible Asset [Domain] Basic (in shares) Weighted-average shares used in computing basic net (loss) income share attributable to common stockholders (in shares) Weighted Average Number of Shares Outstanding, Basic Stock repurchase program, remaining authorized repurchase amount Share Repurchase Program, Remaining Authorized, Amount Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table] Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table] Schedule of Basic and Diluted Net (Loss) Income Per Share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Vested (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Number Reserve for contract contingencies and processing errors Reserve For Contract Contingencies and Processing Errors Reserve For Contract Contingencies and Processing Errors Segment Reporting [Abstract] Costs of revenue Cost of Revenue Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Revenue, Performance Obligation [Abstract] Revenue, Performance Obligation [Abstract] Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Entity Tax Identification Number Entity Tax Identification Number Scenario [Domain] Scenario [Domain] Beginning balance (in dollars per share) Ending balance (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Share-based Compensation Arrangement by Share-based Payment Award Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] 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 Weighted average remaining operating lease term (in years) Operating Lease, Weighted Average Remaining Lease Term Granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross Use of Estimates Use of Estimates, Policy [Policy Text Block] Occupancy Occupancy Occupancy, Net Trading Arrangement: Trading Arrangement [Axis] Total Shareholder Return Amount Total Shareholder Return Amount Insider Trading Arrangements [Line Items] Due after one year through five years Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year One Through Five Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year One Through Five Security Exchange Name Security Exchange Name Total liabilities Liabilities Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Business Combination, Separately Recognized Transaction [Line Items] Business Combination, Separately Recognized Transaction [Line Items] Purchase of property and equipment accrued and not yet paid Capital Expenditures Incurred but Not yet Paid Maximum borrowing capacity as amended Line of Credit Facility, Maximum Borrowing Capacity Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Repurchase of early exercised stock options (in shares) Stock Repurchased During Period, Shares Operating expenses (benefit): Operating Expenses [Abstract] Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Asset Class [Domain] Asset Class [Domain] Statement [Line Items] Statement [Line Items] Asset-backed securities Asset-Backed Securities [Member] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Cash and cash equivalents Cash and Cash Equivalent Counterparty Name [Axis] Counterparty Name [Axis] Common Stock Common Stock [Member] Vested (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period Total Short-term investments Short-term investments Debt Securities, Available-for-Sale Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Non-NEOs Non-NEOs [Member] Corporate debt securities Corporate Debt Securities [Member] Net decrease in cash, cash equivalents, and restricted cash Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Accrued professional services Accrued Professional Fees, Current Accounts Payable and Accrued Liabilities