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Awards Vested in Covered Year [Member] Entity File Number Entity File Number Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Schedule of Contractual Maturity Investments Classified by Contractual Maturity Date [Table Text Block] Warehouse Credit Facility, Commitment Amount Warehouse Credit Facility, Commitment Amount [Member] Warehouse Credit Facility, Commitment Amount Schedule of Stock Option Activity Share-Based Payment Arrangement, Option, Activity [Table Text Block] Weighted average exercise price ($) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Stock-based charitable contribution (in shares) Stock Issued During Period, Shares, Charitable Contribution Stock Issued During Period, Shares, Charitable Contribution Schedule of Changes in Allowance For Expected Credit Losses Financing Receivable, Allowance for Credit Loss [Table Text Block] Common stock, issued (in shares) Common Stock, Shares, Issued Measure: Measure [Axis] Combined Bank Partners Combined Bank Partners [Member] Combined Bank Partners Schedule of Carrying Amounts of the VIE’s Assets and Liabilities Schedule of Variable Interest Entities [Table Text Block] Operating cash flows: Cash Flow, Operating Activities, Lessee [Abstract] Amortization of premium on marketable securities Amortization of Debt Discount (Premium) Receivables due from bank partners Accounts Receivable, after Allowance for Credit Loss, Due From Bank Partners, Current Accounts Receivable, after Allowance for Credit Loss, Due From Bank Partners, Current Allowance for credit losses Debt Securities, Available-for-Sale, Allowance for Credit Loss SpotMe and other negative balances SpotMe [Member] SpotMe Greater than 12 months Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss Marketable securities Total Estimated Fair Value Debt Securities, Available-for-Sale, Current Equity Components [Axis] Equity Components [Axis] Accounts receivable, net Increase (Decrease) in Accounts Receivable Related Party Related Party [Member] Product and Service [Domain] Product and Service [Domain] Class of Stock [Line Items] Class of Stock [Line Items] Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Common Class A Class A Common Class A [Member] 31 - 60 Financial Asset, 31 To 60 Days From Origination [Member] Financial Asset, 31 To 60 Days From Origination Entity Interactive Data Current Entity Interactive Data Current Variable Rate [Axis] Variable Rate [Axis] Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] After one year to five years Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year One Through Five Conversion of redeemable convertible preferred stock to common stock in connection with initial public offering (in shares) Temporary Equity, Shares, Conversion of Convertible Securities Temporary Equity, Shares, Conversion of Convertible Securities Entity Small Business Entity Small Business 2025 plan Equity Incentive Plans [Member] Equity Incentive Plans Total comprehensive income (loss) Comprehensive Income (Loss), Net of Tax, Attributable to Parent Termination Date Trading Arrangement Termination Date Shares issued net of shares for tax withholdings (in shares) Share-Based Payment Arrangement, Shares Withheld for Tax Withholding Obligation Property, Plant, and Equipment [Line Items] Property, Plant, and Equipment [Line Items] Fair Value Debt Securities, Held-to-Maturity, Maturity, Allocated and Single Maturity Date, Fair Value, Rolling Maturity [Abstract] Subsequent Events [Abstract] Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Other assets Other Assets, Noncurrent Financing activities: Cash Provided by (Used in) Financing Activity, Continuing Operation [Abstract] Document Type Document Type Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Accrued expenses Accrued Liabilities, Current Fair Value as of Grant Date Award Grant Date Fair Value Collateral Pledged Collateral Pledged [Member] Earnings Per Share, Basic, by Common Class, Including Two-Class Method [Table] Earnings Per Share, Basic, by Common Class, Including Two-Class Method [Table] Redeemable Convertible Preferred Stock Increase (Decrease) in Temporary Equity [Roll Forward] Aggregate intrinsic value, exercisable Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Intrinsic Value Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Second Adjusted SOFR Second Adjusted SOFR [Member] Second Adjusted SOFR Arrangement Duration Trading Arrangement Duration Subsequent Event [Line Items] Subsequent Event [Line Items] Statement of Stockholders' Equity [Abstract] Local Phone Number Local Phone Number Conversion of redeemable convertible preferred stock to common stock in connection with initial public offering Temporary Equity, Value Conversion of Convertible Securities Temporary Equity, Value Conversion of Convertible Securities Expected loss rate Expected Loss Rate [Member] Expected Loss Rate Entity Address, Postal Zip Code Entity Address, Postal Zip Code Registrant Name Entity Registrant Name ORGANIZATION AND DESCRIPTION OF BUSINESS Organization, Consolidation, Basis of Presentation, Business Description and Accounting Policies [Text Block] Less than 12 months Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss Schedule of Service-based PSUs Activity Share-Based Payment Arrangement, Performance Shares, Activity [Table Text Block] Net income (loss) before income taxes Net income (loss) 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] Transaction and risk losses Transaction And Risk Losses Transaction And Risk Losses Aggregate intrinsic value, vested and expected to vest Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value Commitments and contingencies (Note 18) Commitments and Contingencies Schedule of Other Non-Current Liabilities Other Noncurrent Liabilities [Table Text Block] Revenue Total revenue Revenues Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Total property, equipment, and software Property, Plant, and Equipment, before Accumulated Depreciation, Depletion, and Amortization Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Executive Category: Executive Category [Axis] Receivable Type [Axis] Receivable Type [Axis] Vesting period (in years) Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period Furniture and fixtures Furniture and Fixtures [Member] Weighted-average remaining contractual life, exercisable (in years) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted-Average Remaining Contractual Term Beginning balance Ending balance Temporary Equity, Carrying Amount, Attributable to Parent Schedule of Assets and Liabilities Measured at Fair Value Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Provision for transaction dispute losses Provision for transaction dispute losses Loss Contingency, Accrual, Provision For Transaction Dispute Losses Loss Contingency, Accrual, Provision For Transaction Dispute Losses All Award Types Award Type [Domain] Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount FAIR VALUE MEASUREMENT Fair Value Disclosures [Text Block] Variable Interest Entity [Table] Variable Interest Entity [Table] Level 3 Fair Value, Inputs, Level 3 [Member] U.S. agency securities US Government Agencies Debt Securities [Member] Supplementary cash flow disclosure: Supplemental Cash Flow Information [Abstract] Depreciation and amortization Depreciation, Depletion And Amortization, Excluding Deprecation Included In Cost Of Sales Depreciation, Depletion And Amortization, Excluding Deprecation Included In Cost Of Sales PEO Name PEO Name Leasehold improvements Leasehold Improvements [Member] Balance as of December 31, 2025 Balance as of June 30, 2026 Contract with Customer, Liability PROPERTY, EQUIPMENT, AND SOFTWARE, NET Property, Plant, and Equipment and Intangible Assets [Text Block] Conversion of redeemable convertible preferred stock to common stock in connection with initial public offering Redeemable Convertible Preferred Stock Converted Into Permanent Equity Common Stock Upon Initial Public Offering Redeemable Convertible Preferred Stock Converted Into Permanent Equity Common Stock Upon Initial Public Offering Cash paid for income taxes, net of refunds received Income Tax Paid, before Refund Received Long-Lived Asset, Class [Axis] Long-Lived Asset, Class [Axis] Concentrations of Credit Risk Concentration Risk, Credit Risk, Policy [Policy Text Block] Other assets Total other assets Other assets Other Assets Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Entity Tax Identification Number Entity Tax Identification Number Interest expense, debt Interest Expense, Debt Exercised (in usd per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Cash, cash equivalents, and restricted cash, end of period Cash, cash equivalents, and restricted cash, end of the period Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Common stock, voting rights Common Stock, Number Of Voting Rights Common Stock, Number Of Voting Rights Secured Overnight Financing Rate (SOFR) - Applicable Margin Secured Overnight Financing Rate (SOFR) - Applicable Margin [Member] Secured Overnight Financing Rate (SOFR) - Applicable Margin Accounts payable Increase (Decrease) in Accounts Payable Other current liabilities Other Accrued Liabilities, Current Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Base Rate Base Rate [Member] 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] Market-based PSUs Unvested market-based PSUs Market Based PSUs [Member] Market Based PSUs 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] Debt Instrument [Axis] Debt Instrument [Axis] Subsequent Event [Table] Subsequent Event [Table] Stock-based compensation Share-Based Payment Arrangement, Noncash Expense Total lease cost Lease, Cost Conversion of redeemable convertible preferred stock to common stock in connection with initial public offering (in shares) Stock Issued During Period, Shares, Conversion of Convertible Securities Employee Stock Employee Stock [Member] Customer [Domain] Customer [Domain] Long-Term Debt, Type [Domain] Long-Term Debt, Type [Domain] Basic (in usd per share) Basic EPS (in usd per share) Earnings Per Share, Basic Measurement Input Type [Axis] Measurement Input Type [Axis] Repurchases of common stock Payments for Repurchase of Common Stock Total current assets Assets, Current Statistical Measurement [Axis] Statistical Measurement [Axis] Insider Trading Arrangements [Line Items] Summary Of Significant Accounting Policies [Table] Summary Of Significant Accounting Policies [Table] Summary Of Significant Accounting Policies [Table] Short-term lease cost Short-Term Lease, Cost Award Type Award Type [Axis] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Accounts receivable, net Accounts receivable, net Accounts Receivable, after Allowance for Credit Loss, Current Adam Frankel [Member] Adam Frankel Accumulated deficit Retained Earnings (Accumulated Deficit) Product and Service [Axis] Product and Service [Axis] Vested and settled (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested And Settled in Period Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested And Settled in Period Restructuring and related cost, expected reduction in share-based compensation expense Restructuring And Related Cost, Expected Reduction In Share-Based Compensation Expense Restructuring And Related Cost, Expected Reduction In Share-Based Compensation Expense 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] Total Debt Securities, Available-for-Sale Recoveries collected Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Recovery Employee Severance Employee Severance [Member] Fixed operating lease costs Operating Lease, Cost Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Cover [Abstract] Restructuring and related cost, number of positions eliminated, period (in percent) Restructuring and Related Cost, Number of Positions Eliminated, Period Percent Concentration risk, percentage Concentration Risk, Percentage Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Bank Partner B Bank Partner B [Member] Bank Partner B Equity Awards Adjustments Equity Awards Adjustments [Member] Total liabilities and stockholders’ equity Liabilities and Equity Variable operating lease costs Variable Lease, Cost Outstanding options to purchase common stock Stock options outstanding Share-Based Payment Arrangement, Option [Member] Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Related and Nonrelated Parties [Domain] Related and Nonrelated Parties [Domain] Weighted-average grant date fair value per share Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Plan Name [Axis] Plan Name [Axis] Schedule of Accounts Receivable, Net Schedule of Loans Held For Investment, Net Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Derivative liability, measurement input Derivative Liability, Measurement Input Tabular List, Table Tabular List [Table Text Block] Realized losses Loss Contingency Accrual, Loss (Reversal of Loss) Additional paid-in capital Additional Paid in Capital 91 - 120 Financial Asset, 91 To 120 Days From Origination [Member] Financial Asset, 91 To 120 Days From Origination Schedule of Unrealized Loss on Investments Unrealized Gain (Loss) on Investments [Table Text Block] Other income, net Other Nonoperating Income (Expense) Name Awards Close in Time to MNPI Disclosures, Individual Name Bank Partner A Bank Partner A [Member] Bank Partner A 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] Aggregate intrinsic value, outstanding Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Intrinsic Value Forfeited/Cancelled (in shares) Cancelled (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period Schedule of Other Current Liabilities Other Current Liabilities [Table Text Block] General and administrative General and Administrative Expense Long-Lived Asset, Class [Domain] Long-Lived Asset, Class [Domain] Network incentive obligation, current portion Network Incentive Obligation, Current Network Incentive Obligation, Current Conversion of redeemable convertible preferred stock to common stock in connection with initial public offering Stock Issued During Period, Value, Conversion of Convertible Securities Preferred stock, authorized (in shares) Preferred Stock, Shares Authorized On-Balance Sheet Receivables My Pay Receivables - On-Balance Sheet Receivables [Member] On-Balance Sheet Receivables Property, Plant, and Equipment [Table] Property, Plant, and Equipment [Table] Preferred stock, $0.0001 par value: 100,000,000 shares authorized, no shares issued and outstanding as of June 30, 2026 and December 31, 2025. Preferred Stock, Value, Issued Accrued bonus Accrued Bonuses, Current Adjustment to Compensation: Adjustment to Compensation [Axis] Class of Stock [Domain] Class of Stock [Domain] 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 Purchase of property, equipment and software Payments to Acquire Productive Assets Statement of Cash Flows [Abstract] Credit Facility [Axis] Credit Facility [Axis] Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Service-based RSUs Service Based Restricted Stock Units RSUs [Member] Service Based Restricted Stock Units RSUs Total assets Assets, Fair Value Disclosure Vested and expected to vest (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number Name Measure Name INCOME TAXES Income Tax Disclosure [Text Block] Accounts payable Accounts Payable, Current Pay vs Performance Disclosure [Line Items] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Additional Paid-in Capital Additional Paid-in Capital [Member] Entity Filer Category Entity Filer Category Total Debt Securities, Available-for-Sale, Unrealized Loss Position Revenue not from contract with customer Revenue Not from Contract with Customer Name Trading Arrangement, Individual Name Cash and cash equivalents Cash and cash equivalents, end of the period Cash and Cash Equivalent Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Company Selected Measure Amount Company Selected Measure Amount Financial Asset, Aging [Axis] Financial Asset, Aging [Axis] Performance stock options Performance Stock Options [Member] Performance Stock Options Investments, Debt and Equity Securities [Abstract] Depreciation and amortization Depreciation, Depletion and Amortization Weighted-average remaining contractual life, vested and expected to vest (in years) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term Secured Overnight Financing Rate (SOFR) Secured Overnight Financing Rate (SOFR) [Member] Entity Address, Address Line Two Entity Address, Address Line Two Stock, Class of Stock [Table] Stock, Class of Stock [Table] Accounts and Financing Receivables [Table] Accounts and Financing Receivables [Table] Current assets: Assets, Current [Abstract] Non-PEO NEO Non-PEO NEO [Member] Entity Address, Address Line One Entity Address, Address Line One Vested (in usd 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 Provision (benefit) for income taxes Income Tax Expense (Benefit) Warehouse Credit Facility Warehouse Credit Facility [Member] Warehouse Credit Facility [Member] Customer Concentration Risk Customer Concentration Risk [Member] Cost of revenue Cost of Product and Service Sold Award Timing Method Award Timing Method [Text Block] Principles of Consolidation Consolidation, Policy [Policy Text Block] Net increase in cash and cash equivalents and restricted cash Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Amounts written off Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Accrued transaction dispute losses Accrued transaction dispute losses, beginning of the period Accrued transaction dispute losses, end of the period Loss Contingency, Accrual, Current VIE Variable Interest Entity, Primary Beneficiary [Member] Net income (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] Statement [Table] Statement [Table] Proceeds from the issuance of common stock upon initial public offering, net of underwriting discounts and offering costs paid Proceeds from Issuance Initial Public Offering Restatement Determination Date: Restatement Determination Date [Axis] Proceeds from exercise of stock options Proceeds from Stock Options Exercised Exercisable (in usd per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Exercise Price Schedule of Deferred Revenue Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] Effective Federal Funds Rate Fed Funds Effective Rate Overnight Index Swap Rate [Member] Accrued and other current liabilities Total accrued and other current liabilities Accrued Liabilities And Other Liabilities, Current Accrued Liabilities And Other Liabilities, Current Schedule of Product Obligation Reconciliation Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] Cash and Cash Equivalents [Axis] Cash and Cash Equivalents [Axis] Schedule of Other Assets Schedule of Other Assets [Table Text Block] Network incentive receivable Accounts Receivable, after Allowance for Credit Loss, Network Incentive, Current Accounts Receivable, after Allowance for Credit Loss, Network Incentive, Current Discount rate (as a percent) Share-Based Compensation Arrangement By Share-Based Payment Award, Discount Rate Share-Based Compensation Arrangement By Share-Based Payment Award, Discount Rate Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Balance, beginning of the period Balance, end of the period Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis with Unobservable Inputs BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Basis of Presentation and Significant Accounting Policies [Text Block] Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Numerator: Net Income (Loss) Available to Common Stockholders, Diluted [Abstract]