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Short-term investments realized gains or losses Debt Securities, Available-for-Sale, Realized Gain (Loss) Total liabilities and stockholders' equity Liabilities and Equity Variable lease expense, net of credit Variable Lease, Cost Employee Stock Option Share-Based Payment Arrangement, Option [Member] Operating loss carryforwards, subject to expiration Deferred Tax Assets, Operating Loss Carryforwards, Subject to Expiration Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Charges Restructuring Charges Tabular List, Table Tabular List [Table Text Block] Additional paid-in capital Additional Paid in Capital Purchase of intangible assets Payments to Acquire Intangible Assets Research and development credits Deferred Tax Assets, Tax Credit Carryforwards, Research 2029 Intangible Asset, Finite-Lived, Estimated Amortization Expense, Year Three Convertible senior notes (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] Non-current assets: Assets, Noncurrent [Abstract] Long-Lived Asset, Class Long-Lived Asset, Class [Domain] Purchase of intangible assets Unrecognized Tax Benefits, Increase Resulting from Acquisition Property Plant And Equipment [Table] Property, Plant, and Equipment [Table] Preferred stock: $0.00001 par value per share; 10,000 shares authorized; none issued and outstanding Preferred Stock, Value, Issued Adjustment to Compensation: Adjustment to Compensation [Axis] Service Costs Cost of Goods and Service [Policy Text Block] Restructuring Cost and Reserve [Line Items] Restructuring Cost and Reserve [Line Items] Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Cash paid for interest during the period Interest Paid, Excluding Capitalized Interest, Operating Activity Short-Term Investments and Funds Held for Customers Short-Term Investments and Funds Held for Customers [Text Block] Short-Term Investments and Funds Held for Customers 60 ~ 89 days past due Financial Asset, 60 to 89 Days Past Due [Member] Credit Facility Credit Facility [Axis] Restructuring Restructuring and Related Activities Disclosure [Text Block] Name Measure Name Pay vs Performance Disclosure [Line Items] Fair Value Hierarchy and NAV Fair Value Hierarchy and NAV [Domain] Debt Instrument [Line Items] Debt Instrument [Line Items] Subscription and transaction fees Subscription And Transaction Fees [Member] Subscription and transaction fees. Domestic Income (Loss) from Continuing Operations before Income Taxes, Domestic Additional paid-in capital Additional Paid-in Capital [Member] Purchases of loans held for investment Payment for Acquisition, Loan, Held-for-Investment Revenue excluded from ASC 606 scope Revenue Not from Contract with Customer Name Trading Arrangement, Individual Name Cash and cash equivalents Cash and Cash Equivalent Total lease cost Operating Lease, Expense Company Selected Measure Amount Company Selected Measure Amount Depreciation and amortization Depreciation, Depletion and Amortization Weighted average remaining term Operating Lease, Weighted Average Remaining Lease Term Non-PEO NEO Non-PEO NEO [Member] Schedule of Available-for-Sale Debt Securities Summary Of Fair Value Of Funds Held For Customers Invested In Short Term Marketable Debt Securities [Table Text Block] Summary of fair value of funds held for customers invested in short-term marketable debt securities. Total cost of revenue Cost of Product and Service Sold Award Timing Method Award Timing Method [Text Block] Net increase (decrease) in cash, cash equivalents, restricted cash, and restricted cash equivalents Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Deferred Sales Commissions Deferred Sales Commissions [Member] Deferred sales commissions. Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Deferred tax assets Deferred Tax Assets, Net of Valuation Allowance Total deferred tax assets before valuation allowance Deferred Tax Assets, Gross Operating lease liabilities Increase Decrease In Operating Lease Liabilities Increase decrease in operating lease liabilities. Accrued interest receivable Debt Securities, Available-for-Sale, Accrued Interest, after Allowance for Credit Loss Net income (loss) Net income (loss) Net Income (Loss) Attributable to Parent Long-Term Debt, Type [Axis] Long-Term Debt, Type [Axis] Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Acquired card receivables, net of allowances Balance, beginning Balance, ending Acquired Card Receivables Allowance For Credit Losses Acquired card receivables allowance for credit losses. Financing Receivable, Past Due [Table] Financing Receivable, Past Due [Table] Restatement Determination Date: Restatement Determination Date [Axis] Acquired card receivables, net of allowances of $13,742 and $15,020 as of June 30, 2026 and 2025, respectively Acquired Card Receivables Net Current Acquired card receivables, net current. 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Debt conversion rate in make whole Debt Instrument Convertible Conversion Ratio In Make Whole Fundamental Change Debt instrument convertible conversion ratio in make whole fundamental change. Gross unrealized losses Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, before Tax Accrued rewards and promotions liability Accrued Rewards And Promotions Liability Accrued rewards and promotions liability. Funds held for customers: Funds Held for Customers [Abstract] Funds Held for Customers Schedule of Fair Value of Available-for-Sale Debt Securities Debt Securities, Available-for-Sale [Table Text Block] Card receivables acquired during the period Card Receivables Acquired During The Period Card Receivables Acquired During The Period Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Property, Plant, and Equipment [Abstract] Property, Plant, and Equipment [Abstract] Entity Address, State or Province Entity Address, State or Province PEO Total Compensation Amount PEO Total Compensation Amount Tax credits Effective Income Tax Rate Reconciliation, Tax Credit, Amount [Abstract] Assets Assets, Fair Value Disclosure [Abstract] Sinking fund Debt Instrument, Sinking Fund Payment Other accruals and current liabilities Increase (Decrease) in Accrued Liabilities and Other Operating Liabilities Tax positions related to the prior year Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions Share Repurchase Program [Domain] Share Repurchase Program [Domain] Basic (shares) Weighted Average Number of Shares Outstanding, Basic 2030 Lessee, Operating Lease, Liability, to be Paid, Year Four Embedded Solutions and Other Embedded And Other Solutions [Member] Embedded And Other Solutions Convertible senior notes, net Convertible Debt, Noncurrent Schedule of Acquired Card Receivables by Class Summary Of Acquired Card Receivables By Class Past Due Status [Table Text Block] Summary of acquired card receivables by class past due status. Gross unrealized losses Funds Held For Customers Debt Securities Accumulated Gross Unrealized Loss Before Tax Funds held for customers debt securities accumulated gross unrealized loss before tax. Due in 5 years through 10 years Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year 5 Through 10 2027 Notes, principal Two Thousand Twenty Seven Convertible Senior Notes [Member] Two Thousand Twenty Seven Convertible Senior Notes Deferred Costs [Table] Deferred Costs [Table] Deferred costs. ICFR Auditor Attestation Flag ICFR Auditor Attestation Flag Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Vested (shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period Basis of Presentation and Principles of Consolidation Basis of Accounting, Policy [Policy Text Block] Unamortized debt issuance costs Debt Issuance Costs, Gross 90 ~ 119 days past due Financing Receivables 90 To 119 Days Past Due [Member] Financing Receivables 90 To 119 Days Past Due Basic Net Income (Loss) Available to Common Stockholders, Basic Sublease income Sublease Income Accumulated Amortization Intangible Asset, Finite-Lived, Accumulated Amortization Receivable Receivable [Domain] Capitalized research and development Deferred Tax Asset, In-Process Research and Development Line of credit facility, maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Current liabilities: Long-Term Debt, Current Maturities Other Other Restructuring [Member] Effect of cross-border tax laws Effective Income Tax Rate Reconciliation, Cross-Border Tax Effect, Amount [Abstract] Property and equipment (capitalized internal-use software) Share-Based Payment Arrangement, Amount Capitalized 2019 Equity Incentive Plan Two Thousand And Nineteen Equity Incentive Plan [Member] Two thousand and nineteen equity incentive plan. Charge-off amounts Financing Receivable, Allowance for Credit Loss, Writeoff New Accounting Pronouncements and Disclosure Rules Recently Adopted and Not Adopted New Accounting Pronouncements, Policy [Policy Text Block] Net Income (Loss) Per Share Attributable to Common Stockholders Earnings Per Share, Policy [Policy Text Block] Payable on purchases of property and equipment and internal-use software costs Capital Expenditures Incurred but Not yet Paid Deferred revenue Increase (Decrease) in Contract with Customer, Liability Gain on debt extinguishment, net of change on mark to market derivatives Gain (Loss) On Extinguishment of Debt, And Derivatives, Net Gain (Loss) On Extinguishment of Debt, And Derivatives, Net Nontaxable or nondeductible items Effective Income Tax Rate Reconciliation, Nondeductible Expense, Depreciation and Amortization, Percent [Abstract] Research and Development Research and Development Expense, Policy [Policy Text Block] Total Long-Term Debt Property and Equipment Property, Plant, and Equipment [Text Block] Changes in assets and liabilities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract] Net cash used in investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] Balance at the beginning of the year Balance at the end of the year Unrecognized Tax Benefits Stockholders' Equity Equity [Text Block] Security Exchange Name Security Exchange Name Change in valuation allowance Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount Provision for expected credit losses on loans held for investment Provision For Expected Credit Losses On Loans Held For Investment Provision For Expected Credit Losses On Loans Held For Investment Loans held for investment Financing Receivable, before Allowance for Credit Loss Funds Held for Customers and Customer Fund Deposits Funds Held For Customers And Customer Fund Deposits [Policy Text Block] Funds Held For Customers And Customer Fund Deposits. Acquired card receivable as collateral Acquired Card Receivable As Collateral Acquired card receivable as collateral. Offering of Convertible Notes Offering of Convertible Notes [Policy Text Block] Offering of Convertible Notes Interest on funds held for customers Interest On Funds Held For Customers [Member] Interest on funds held for customers. Fair value, 12 months or longer Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer Segment Reporting Segment Reporting, Policy [Policy Text Block] Schedule of Property and Equipment Property, Plant, and Equipment [Table Text Block] Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Recoveries collected Acquired Card Receivables Recoveries Collected Acquired card receivables recoveries collected. Fair value, 12 months or longer Funds Held For Customers, Continuous Unrealized Loss Position, 12 Months Or Longer Funds Held For Customers, Continuous Unrealized Loss Position, 12 Months Or Longer Name Outstanding Recovery, Individual Name Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] State Deferred State and Local Income Tax Expense (Benefit) Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year [Member] Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Effect of dilutive securities: Weighted Average Number of Shares Outstanding, Diluted, Adjustment [Abstract] Amortization of debt discount and issuance costs Amortization of debt discount and issuance costs Amortization of Debt Issuance Costs and Discounts Noncash investing and financing activities: Noncash Investing and Financing Items [Abstract] Purchases of corporate and customer fund short-term investments Payment To Acquire Corporate And Customer Fund Short Term Investments Payment to acquire corporate and customer fund short term investments. Long term debt, gross Long-Term Debt, Gross Debt convertible date Debt Instrument, Convertible, Earliest Date Funds receivable Funds Receivable [Member] Funds receivable. Unrealized losses, 12 months or longer Funds Held for Customers, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss Funds Held for Customers, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss Convertible Senior Notes, net and Capped Calls Debt, Policy [Policy Text Block] Payable on purchases of acquired card receivables Payable On Purchases Of Acquired Card Receivables Payable On Purchases Of Acquired Card Receivables Compensation Amount Outstanding Recovery Compensation Amount Individual: Individual [Axis] Diluted (shares) Diluted (shares) Weighted Average Number of Shares Outstanding, Diluted Deferred contract costs Deferred Tax Liabilities, Deferred Expense Disaggregation Of Revenue [Line Items] Disaggregation of Revenue [Line Items] Entity Emerging Growth Company Entity Emerging Growth Company Underlying Security Market Price Change Underlying Security Market Price Change, Percent Less - present value adjustments Lessee, Operating Lease, Liability, Undiscounted Excess Amount Stock-based compensation Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-Based Payment Arrangement, Percent Revenue from Contract with Customer [Abstract] Revenue from Contract with Customer [Abstract] Cost of revenue Cost of Revenue [Abstract] Restricted cash included in other current assets Restricted Cash, Current Federal Deferred Federal Income Tax Expense (Benefit) Intangible Asset, Goodwill and Other [Abstract] Intangible Asset, Goodwill and Other [Abstract] Schedule Of Available For Sale Securities [Line Items] Debt Securities, Available-for-Sale [Line Items] Notes issued upon conversion (shares) Debt Instrument Conversion Issuable Number Of Share Upon Conversion Debt instrument, conversion issuable number of share upon conversion. Gross lease payments Lessee, Operating Lease, Liability, to be Paid Schedule of Future Payments Under Other Agreements Other Commitments [Table Text Block] Beginning balance (dollars per share) Ending balance (dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value All Executive Categories All Executive Categories [Member] Operating right of use assets Deferred Tax Liabilities Operating Right Of Use Assets Deferred tax liabilities operating right of use assets. Unpaid principal balance Financing Receivable, before Allowance for Credit Loss, Fee and Loan in Process Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Other comprehensive income (loss): Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent [Abstract] Authorized transactions but not cleared Authorized Transactions But Not Cleared Authorized Transactions But Not Cleared 2030 Notes, principal Two Thousand Thirty Convertible Senior Notes [Member] Two Thousand Thirty Convertible Senior Notes Sales and marketing Selling and Marketing Expense Number of days delinquent to become charged-off Acquired Card Receivables, Number Of Days Delinquent To Be Charged-Off Acquired Card Receivables, Number Of Days Delinquent To Be Charged-Off Less: unamortized debt discount and issuance costs Debt Issuance Costs, Current, Net Acquired Card Receivables [Abstract] Acquired Card Receivables [Abstract] Acquired card receivables. Fair value Funds Held For Customers Debt Securities Current Funds held for customers debt securities current. Schedule of Earnings Per Share, Basic and Diluted Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Restructuring Costs Associated with Exit or Disposal Activities or Restructurings, Policy [Policy Text Block] Debt Disclosure [Abstract] Debt Disclosure [Abstract] Minimum Minimum [Member] Software and equipment Software And Equipment [Member] Software and equipment. Short-term investments: Investments, Fair Value Disclosure Auditor Name Auditor Name Schedule of Subscription and Transaction Fees Disaggregated by Customer Category Disaggregation of Revenue [Table Text Block] Denominator: Weighted Average Number of Shares Outstanding Reconciliation [Abstract] Internal restructuring Restructuring Effective Income Tax Rate Reconciliation, Nondeductible Expense, Restructuring Charges, Amount Schedule of Amortization of Finite-Lived Intangible Assets Intangible Asset, Finite-Lived, Amortization Expense [Table Text Block] Effect of exchange rate changes on cash, cash equivalents, restricted cash and restricted cash equivalents Effect of Exchange Rate on Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Income Statement Location Location, Statement of Income, Balance [Axis] Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Goodwill Goodwill and Intangible Assets, Goodwill, Policy [Policy Text Block] 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] Unbilled revenue Unbilled Receivables, Current Common stock shares authorized (shares) Common Stock, Shares Authorized Estimated useful lives Intangible Asset, Finite-Lived, Useful Life Income Taxes [Table] Income Taxes [Table] Income Taxes [Table] Schedule of RSU Activity Share-Based Payment Arrangement, Restricted Stock Unit, Activity [Table Text Block] Intangible assets Deferred Tax Liabilities, Intangible Assets Income Taxes [Line Items] Income Taxes [Line Items] Income Taxes [Line Items] Exercise Price Award Exercise Price Schedule of Restructuring and Related Costs [Table] Restructuring Cost [Table] Share repurchase program, authorized amount Share Repurchase Program, Authorized, Amount 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] Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items] Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] 2029 Other Commitment, to be Paid, Year Three Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Beginning balance Ending balance Restructuring Reserve Equity Component Equity Component [Domain] Other Income, Nonoperating [Abstract] Other Income, Nonoperating [Abstract] Adoption Date Trading Arrangement Adoption Date Schedule of Other Income (Expense), Net Schedule of Other Nonoperating Income (Expense) [Table Text Block] Other income, net Nonoperating Income (Expense) Restructuring Type [Axis] Restructuring Type [Axis] Expected Remaining Term (years) Debt Instrument Weighted Average Remaining Term Debt Instrument Weighted Average Remaining Term Title Trading Arrangement, Individual Title Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Accounting Policies [Abstract] Accounting Policies [Abstract] Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Total operating lease liabilities, net Operating Lease, Liability Cash paid for line of credit issuance costs Payments Of Credit Issuance Costs Payments Of Credit Issuance Costs Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Type of Restructuring [Domain] Type of Restructuring [Domain] Potential percentage of additional number of shares reserved for issuance each year Share-Based Compensation Arrangement by Share-Based Payment Award, Percentage of Outstanding Stock Maximum Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Customer fund deposits Customer Refund Liability, Current Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Debt instrument floor rate Debt Instrument Floor Rate Debt instrument floor rate. Financial Asset, Aging [Domain] Financial Asset, Aging [Domain] Restricted stock units (RSUs) Restricted Stock Units (RSUs) [Member] Schedule of Potentially Dilutive Securities Excluded from Diluted Net Loss Per Share Calculation Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] Less: unamortized debt discount and issuance costs Debt Issuance Costs, Noncurrent, Net All Adjustments to Compensation All Adjustments to Compensation [Member] Income Taxes Income Tax, Policy [Policy Text Block] Net cash provided by operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Aggregate amount of transaction price allocated to performance obligations, percentage Revenue, Remaining Performance Obligation, Percentage Income Statement [Abstract] Income Statement [Abstract] Stockholders' equity: Equity, Attributable to Parent [Abstract] Issuance of common stock under the employee stock purchase plan (in shares) Stock Issued During Period, Shares, Employee Stock Purchase Plans Document Transition Report Document Transition Report Operating expenses Operating Expenses [Abstract] Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Schedule of Intangible Assets Intangible Asset, Finite-Lived [Table Text Block] Deferred tax assets: Deferred Tax Assets, Net of Valuation Allowance [Abstract] Accrued Rewards Accrued Rewards [Policy Text Block] Accrued rewards. City Area Code City Area Code Convertible senior notes Convertible Debt Securities [Member] Acquired Card Receivables Acquired Card Receivables [Text Block] Acquired card receivables. Internal restructuring Effective Income Tax Rate Reconciliation, Nondeductible Expense, Restructuring Charges, Percent Liabilities Debt Instrument, Fair Value Disclosure Name Forgone Recovery, Individual Name Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Weighted average grant date fair value Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Allowance For Credit Losses [Roll Forward] Allowance For Credit Losses [Roll Forward] Allowance For Credit Losses Restructuring and related cost, expected number of positions eliminated, percent Restructuring and Related Cost, Expected Number of Positions Eliminated, Percent Restructuring and Related Cost, Expected Number of Positions Eliminated, Percent Issuance and exercise of warrants Issuance Of Warrants Issuance Of Warrants Effective Income Tax Rate Reconciliation [Line Items] Effective Income Tax Rate Reconciliation [Line Items] Preferred stock issued (shares) Preferred Stock, Shares Issued Convertible senior notes, net Convertible senior notes, net current Convertible Debt, Current Stock-Based Compensation Share-Based Payment Arrangement [Policy Text Block] Issuance of common stock under the employee stock purchase plan Stock Issued During Period, Value, Employee Stock Purchase Plan Proceeds from issuance of convertible senior notes Proceeds from Convertible Debt Other assets Increase (Decrease) in Other Operating Assets Net deferred tax (liabilities) Deferred Tax Liabilities, Net Tax effects of foreign disregarded entity Effective Income Tax Rate Reconciliation, Cross-Border, Other, Amount Current: Current Income Tax Expense (Benefit), Continuing Operations [Abstract] Customer fund deposits liability and other Increase (Decrease) in Deposits Cash and Cash Equivalents Cash and Cash Equivalents [Domain] Total amount charged to operating loss Share-Based Payment Arrangement, Expense Repurchase and retirement of common stock (in shares) Shares repurchased (in shares) Stock Repurchased and Retired During Period, Shares Grace period to payment on acquired card receivables Grace Period To Payment On Acquired Card Receivables Grace period to payment on acquired card receivables. Granted (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 Due within 1 year Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, Year One Deferred revenue, recognized Contract with Customer, Liability, Revenue Recognized Schedule of Short-Term Investments and Funds Held for Customers Summary Of Funds Held For Customers [Table Text Block] Funds held for customers. Forfeited (dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Net unrealized gain (loss) on investments in available-for-sale securities OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax Cash paid for convertible senior notes issuance costs Cash paid for convertible senior notes issuance costs Payments of Debt Issuance Costs Revenue Disaggregation of Revenue [Abstract] Entity Current Reporting Status Entity Current Reporting Status Net cash provided by (used in) financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Total Shareholder Return Amount Total Shareholder Return Amount Research and development Research and Development Expense Adjustments to reconcile net income (loss) to net cash provided by operating activities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] Over 119 days past due Financial Asset, Over 120 Days Past Due [Member] Financial Asset, Over 120 Days Past Due Cash flows from financing activities: Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Property and equipment, net Property and equipment, net Property, Plant, and Equipment, after Accumulated Depreciation, Depletion, and Amortization Other Other adjustments Effective Income Tax Rate Reconciliation, Other Adjustments, Percent Schedule of Share Repurchase Program Schedule of Stockholders Equity [Table Text Block] Borrowings from credit facilities Line of Credit, Current 2031 Other Commitment, to be Paid, Year Five Financial Instruments Financial Instruments [Domain] Total stock-based compensation Total stock-based compensation Share-Based Payment Arrangement, Expensed and Capitalized, Amount Intangible Asset, Finite-Lived, Class Intangible Asset, Finite-Lived, Class [Axis] Total funds held for customers Funds Held For Clients Gross Funds Held For Clients Gross. 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Entity Interactive Data Current Entity Interactive Data Current Unamortized debt issuance costs Debt Issuance Costs, Line of Credit Arrangements, Net Entity Small Business Entity Small Business Comprehensive income (loss) Comprehensive Income (Loss), Net of Tax, Attributable to Parent Weighted average remaining useful life (In years) Intangible Asset, Finite-Lived, Acquired, Weighted-Average Amortization Period Property Plant And Equipment [Line Items] Property, Plant, and Equipment [Line Items] Effective Income Tax Rate Reconciliation [Table] Effective Income Tax Rate Reconciliation [Table] Interest expense Interest Income (Expense), Operating MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Number of investment positions Funds Held For Customers Debt Securities Number Of Investment Positions Funds held for customers debt securities number of investment positions. 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Revenue Recognition Revenue [Policy Text Block] Provision for expected credit losses on acquired card receivables and other financial assets Provision For Losses On Acquired Card Receivables Provision For Losses On Acquired Card Receivables. 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] 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] Threshold percentage of stock price trigger in measurement period Threshold Percentage Of Stock Price Trigger In Measurement Period Threshold percentage of stock price trigger in measurement period. 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