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Schedule of Revenue from Geographic Areas Revenue from External Customers by Geographic Areas [Table Text Block] Lease liabilities, non-current Lease Liability, Non-Current Lease Liability, Non-Current Entity Address, City Entity Address, City or Town Debt Instrument [Axis] Debt Instrument [Axis] Lease right-of-use assets Right Of Use Assets Right Of Use Assets Total stock-based compensation expense Share-Based Payment Arrangement, Expense Net loss Net loss Net Income (Loss) Attributable to Parent Trading Arrangement: Trading Arrangement [Axis] Settlement assets, net Settlement Assets, Current Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Cancelled/forfeited/expired (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] 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] Entity File Number Entity File Number Consolidated Entities [Domain] Consolidated Entities [Domain] REVENUE AND CERTAIN STATEMENT OF OPERATIONS COMPONENTS Revenue from Contract with Customer [Text Block] Document Fiscal Year Focus Document Fiscal Year Focus Income Statement [Abstract] Entity Address, Street Entity Address, Address Line One Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Weighted average shares of common stock used to compute net loss per share: Denominator Weighted Average Number of Shares Outstanding, Basic [Abstract] Credit card processing fees Accrued Credit Card Processing Fees, Current Accrued Credit Card Processing Fees, Current Accrued expenses and other liabilities Increase (Decrease) in Accrued Liabilities and Other Operating Liabilities Name Forgone Recovery, Individual Name Document Period End Date Document Period End Date Expensify.Org Expensify.Org [Member] Expensify.Org Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Common Stock, LT50 Common Stock, LT50 [Member] Common Stock, LT50 Beginning balance (in shares) Ending balance (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number Insider Trading Arrangements [Line Items] CERTAIN BALANCE SHEET COMPONENTS Supplemental Balance Sheet Disclosures [Text Block] Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Other current assets Increase (Decrease) in Other Current Assets PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Cost of revenue, net Cost of Revenue Adjustment to Compensation: Adjustment to Compensation [Axis] Lease liabilities, current Lease Liability, Current Lease Liability, Current Document Transition Report Document Transition Report Document Quarterly Report Document Quarterly Report Settlement liabilities Increase (Decrease) in Settlement Liabilities Increase (Decrease) in Settlement Liabilities Entity Current Reporting Status Entity Current Reporting Status Accumulated deficit Retained Earnings [Member] Amortization of original issue discount and debt issuance costs Amortization of Debt Issuance Costs Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Basic (in shares) Weighted average shares of common stock used to compute net loss per share, basic (in shares) Weighted Average Number of Shares Outstanding, Basic Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Capitalized software, net Capitalized software, net Capitalized Computer Software, Net Document Information [Table] Document Information [Table] Restricted stock units Restricted Stock Units (RSUs) [Member] Increase (Decrease) in Stockholders' Equity Increase (Decrease) in Stockholders' Equity [Roll Forward] Professional fees Accrued Professional Fees, Current Executive Category: Executive Category [Axis] Name Awards Close in Time to MNPI Disclosures, Individual Name Construction in progress Construction in Progress [Member] Employer share match rate (as a percent) Share-Based Compensation Arrangement By Share-Based Payment Award, Percentage Of Shares Matched By Employer Share-Based Compensation Arrangement By Share-Based Payment Award, Percentage Of Shares Matched By Employer Entity Filer Category Entity Filer Category Statement of Income Location, Balance [Domain] Statement of Income Location, Balance [Domain] Company Selected Measure Name Company Selected Measure Name