3.25.4 html 265 449 1 false 75 0 false 8 false false R1.htm 0000001 - Document - Cover Page Sheet http://pos.toasttab.com/role/CoverPage Cover Page Cover 1 false false R2.htm 0000002 - Document - Audit Information Sheet http://pos.toasttab.com/role/AuditInformation Audit Information Cover 2 false false R3.htm 9952151 - Statement - CONSOLIDATED BALANCE SHEETS Sheet http://pos.toasttab.com/role/CONSOLIDATEDBALANCESHEETS CONSOLIDATED BALANCE SHEETS Statements 3 false false R4.htm 9952152 - Statement - CONSOLIDATED BALANCE SHEETS (Parenthetical) Sheet http://pos.toasttab.com/role/CONSOLIDATEDBALANCESHEETSParenthetical CONSOLIDATED BALANCE SHEETS (Parenthetical) Statements 4 false false R5.htm 9952153 - Statement - CONSOLIDATED STATEMENTS OF OPERATIONS Sheet http://pos.toasttab.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONS CONSOLIDATED STATEMENTS OF OPERATIONS Statements 5 false false R6.htm 9952154 - Statement - CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) Sheet http://pos.toasttab.com/role/CONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEINCOMELOSS CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) Statements 6 false false R7.htm 9952155 - Statement - CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (Parenthetical) Sheet http://pos.toasttab.com/role/CONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEINCOMELOSSParenthetical CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (Parenthetical) Statements 7 false false R8.htm 9952156 - Statement - CONSOLIDATED STATEMENTS OF STOCKHOLDERS??? EQUITY Sheet http://pos.toasttab.com/role/CONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITY CONSOLIDATED STATEMENTS OF STOCKHOLDERS??? EQUITY Statements 8 false false R9.htm 9952157 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS Sheet http://pos.toasttab.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS CONSOLIDATED STATEMENTS OF CASH FLOWS Statements 9 false false R10.htm 9952158 - Disclosure - Description of Business and Basis of Presentation Sheet http://pos.toasttab.com/role/DescriptionofBusinessandBasisofPresentation Description of Business and Basis of Presentation Notes 10 false false R11.htm 9952159 - Disclosure - Summary of Significant Accounting Policies Sheet http://pos.toasttab.com/role/SummaryofSignificantAccountingPolicies Summary of Significant Accounting Policies Notes 11 false false R12.htm 9952160 - Disclosure - Financial Instruments Sheet http://pos.toasttab.com/role/FinancialInstruments Financial Instruments Notes 12 false false R13.htm 9952161 - Disclosure - Loan Servicing Activities and Acquired Loans Receivable, Net Sheet http://pos.toasttab.com/role/LoanServicingActivitiesandAcquiredLoansReceivableNet Loan Servicing Activities and Acquired Loans Receivable, Net Notes 13 false false R14.htm 9952162 - Disclosure - Goodwill and Intangible Assets Sheet http://pos.toasttab.com/role/GoodwillandIntangibleAssets Goodwill and Intangible Assets Notes 14 false false R15.htm 9952163 - Disclosure - Debt Sheet http://pos.toasttab.com/role/Debt Debt Notes 15 false false R16.htm 9952164 - Disclosure - Other Balance Sheet Information Sheet http://pos.toasttab.com/role/OtherBalanceSheetInformation Other Balance Sheet Information Notes 16 false false R17.htm 9952165 - Disclosure - Common Stock Sheet http://pos.toasttab.com/role/CommonStock Common Stock Notes 17 false false R18.htm 9952166 - Disclosure - Stock-Based Compensation Expense Sheet http://pos.toasttab.com/role/StockBasedCompensationExpense Stock-Based Compensation Expense Notes 18 false false R19.htm 9952167 - Disclosure - Revenue from Contracts with Customers Sheet http://pos.toasttab.com/role/RevenuefromContractswithCustomers Revenue from Contracts with Customers Notes 19 false false R20.htm 9952168 - Disclosure - Restructuring Plan Sheet http://pos.toasttab.com/role/RestructuringPlan Restructuring Plan Notes 20 false false R21.htm 9952169 - Disclosure - Income Taxes Sheet http://pos.toasttab.com/role/IncomeTaxes Income Taxes Notes 21 false false R22.htm 9952170 - Disclosure - Net Income (Loss) Per Share Attributable to Common Stockholders Sheet http://pos.toasttab.com/role/NetIncomeLossPerShareAttributabletoCommonStockholders Net Income (Loss) Per Share Attributable to Common Stockholders Notes 22 false false R23.htm 9952171 - Disclosure - Segment Information Sheet http://pos.toasttab.com/role/SegmentInformation Segment Information Notes 23 false false R24.htm 9952172 - Disclosure - Commitment and Contingencies Sheet http://pos.toasttab.com/role/CommitmentandContingencies Commitment and Contingencies Notes 24 false false R25.htm 9952173 - Disclosure - Retirement Plan Sheet http://pos.toasttab.com/role/RetirementPlan Retirement Plan Notes 25 false false R26.htm 9952174 - Disclosure - Subsequent Events (unaudited) Sheet http://pos.toasttab.com/role/SubsequentEventsunaudited Subsequent Events (unaudited) Notes 26 false false R27.htm 995445 - Disclosure - Insider Trading Arrangements Sheet http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements Insider Trading Arrangements Notes 27 false false R28.htm 995447 - Disclosure - Insider Trading Policies and Procedures Sheet http://xbrl.sec.gov/ecd/role/InsiderTradingPoliciesProc Insider Trading Policies and Procedures Notes 28 false false R29.htm 995550 - Disclosure - Cybersecurity Risk Management and Strategy Disclosure Sheet http://xbrl.sec.gov/cyd/role/CybersecurityRiskManagementAndStrategyDisclosure Cybersecurity Risk Management and Strategy Disclosure Notes 29 false false R30.htm 9955511 - Disclosure - Summary of Significant Accounting Policies (Policies) Sheet http://pos.toasttab.com/role/SummaryofSignificantAccountingPoliciesPolicies Summary of Significant Accounting Policies (Policies) Policies http://pos.toasttab.com/role/SummaryofSignificantAccountingPolicies 30 false false R31.htm 9955512 - Disclosure - Summary of Significant Accounting Policies (Tables) Sheet http://pos.toasttab.com/role/SummaryofSignificantAccountingPoliciesTables Summary of Significant Accounting Policies (Tables) Tables http://pos.toasttab.com/role/SummaryofSignificantAccountingPolicies 31 false false R32.htm 9955513 - Disclosure - Financial Instruments (Tables) Sheet http://pos.toasttab.com/role/FinancialInstrumentsTables Financial Instruments (Tables) Tables http://pos.toasttab.com/role/FinancialInstruments 32 false false R33.htm 9955514 - Disclosure - Loan Servicing Activities and Acquired Loans Receivable, Net (Tables) Sheet http://pos.toasttab.com/role/LoanServicingActivitiesandAcquiredLoansReceivableNetTables Loan Servicing Activities and Acquired Loans Receivable, Net (Tables) Tables http://pos.toasttab.com/role/LoanServicingActivitiesandAcquiredLoansReceivableNet 33 false false R34.htm 9955515 - Disclosure - Goodwill and Intangible Assets (Tables) Sheet http://pos.toasttab.com/role/GoodwillandIntangibleAssetsTables Goodwill and Intangible Assets (Tables) Tables http://pos.toasttab.com/role/GoodwillandIntangibleAssets 34 false false R35.htm 9955516 - Disclosure - Other Balance Sheet Information (Tables) Sheet http://pos.toasttab.com/role/OtherBalanceSheetInformationTables Other Balance Sheet Information (Tables) Tables http://pos.toasttab.com/role/OtherBalanceSheetInformation 35 false false R36.htm 9955517 - Disclosure - Stock-Based Compensation Expense (Tables) Sheet http://pos.toasttab.com/role/StockBasedCompensationExpenseTables Stock-Based Compensation Expense (Tables) Tables http://pos.toasttab.com/role/StockBasedCompensationExpense 36 false false R37.htm 9955518 - Disclosure - Revenue from Contracts with Customers (Tables) Sheet http://pos.toasttab.com/role/RevenuefromContractswithCustomersTables Revenue from Contracts with Customers (Tables) Tables http://pos.toasttab.com/role/RevenuefromContractswithCustomers 37 false false R38.htm 9955519 - Disclosure - Income Taxes (Tables) Sheet http://pos.toasttab.com/role/IncomeTaxesTables Income Taxes (Tables) Tables http://pos.toasttab.com/role/IncomeTaxes 38 false false R39.htm 9955520 - Disclosure - Net Income (Loss) Per Share Attributable to Common Stockholders (Tables) Sheet http://pos.toasttab.com/role/NetIncomeLossPerShareAttributabletoCommonStockholdersTables Net Income (Loss) Per Share Attributable to Common Stockholders (Tables) Tables http://pos.toasttab.com/role/NetIncomeLossPerShareAttributabletoCommonStockholders 39 false false R40.htm 9955521 - Disclosure - Segment Information (Tables) Sheet http://pos.toasttab.com/role/SegmentInformationTables Segment Information (Tables) Tables http://pos.toasttab.com/role/SegmentInformation 40 false false R41.htm 9955522 - Disclosure - Summary of Significant Accounting Policies - Narrative (Details) Sheet http://pos.toasttab.com/role/SummaryofSignificantAccountingPoliciesNarrativeDetails Summary of Significant Accounting Policies - Narrative (Details) Details 41 false false R42.htm 9955523 - Disclosure - Summary of Significant Accounting Policies - Schedule of Useful Lives (Details) Sheet http://pos.toasttab.com/role/SummaryofSignificantAccountingPoliciesScheduleofUsefulLivesDetails Summary of Significant Accounting Policies - Schedule of Useful Lives (Details) Details 42 false false R43.htm 9955524 - Disclosure - Summary of Significant Accounting Policies - Schedule of Estimated Useful Lives of Intangible Assets (Details) Sheet http://pos.toasttab.com/role/SummaryofSignificantAccountingPoliciesScheduleofEstimatedUsefulLivesofIntangibleAssetsDetails Summary of Significant Accounting Policies - Schedule of Estimated Useful Lives of Intangible Assets (Details) Details 43 false false R44.htm 9955525 - Disclosure - Financial Instruments - Schedule of Assets and Liabilities Measured on Recurring Basis (Details) Sheet http://pos.toasttab.com/role/FinancialInstrumentsScheduleofAssetsandLiabilitiesMeasuredonRecurringBasisDetails Financial Instruments - Schedule of Assets and Liabilities Measured on Recurring Basis (Details) Details 44 false false R45.htm 9955526 - Disclosure - Financial Instruments - Schedule of Unrealized Loss Position, Fair Value (Details) Sheet http://pos.toasttab.com/role/FinancialInstrumentsScheduleofUnrealizedLossPositionFairValueDetails Financial Instruments - Schedule of Unrealized Loss Position, Fair Value (Details) Details 45 false false R46.htm 9955527 - Disclosure - Financial Instruments - Scheduled Maturities of Marketable Securities (Details) Sheet http://pos.toasttab.com/role/FinancialInstrumentsScheduledMaturitiesofMarketableSecuritiesDetails Financial Instruments - Scheduled Maturities of Marketable Securities (Details) Details 46 false false R47.htm 9955528 - Disclosure - Financial Instruments - Schedule of Weighted Average Assumptions (Details) Sheet http://pos.toasttab.com/role/FinancialInstrumentsScheduleofWeightedAverageAssumptionsDetails Financial Instruments - Schedule of Weighted Average Assumptions (Details) Details 47 false false R48.htm 9955529 - Disclosure - Financial Instruments - Schedule of Rollforward of Level 3 Inputs (Details) Sheet http://pos.toasttab.com/role/FinancialInstrumentsScheduleofRollforwardofLevel3InputsDetails Financial Instruments - Schedule of Rollforward of Level 3 Inputs (Details) Details 48 false false R49.htm 9955530 - Disclosure - Financial Instruments - Narrative (Details) Sheet http://pos.toasttab.com/role/FinancialInstrumentsNarrativeDetails Financial Instruments - Narrative (Details) Details 49 false false R50.htm 9955531 - Disclosure - Loan Servicing Activities and Acquired Loans Receivable, Net - Schedule of Rollforward of Credit Losses (Details) Sheet http://pos.toasttab.com/role/LoanServicingActivitiesandAcquiredLoansReceivableNetScheduleofRollforwardofCreditLossesDetails Loan Servicing Activities and Acquired Loans Receivable, Net - Schedule of Rollforward of Credit Losses (Details) Details 50 false false R51.htm 9955532 - Disclosure - Loan Servicing Activities and Acquired Loans Receivable, Net - Narrative (Details) Sheet http://pos.toasttab.com/role/LoanServicingActivitiesandAcquiredLoansReceivableNetNarrativeDetails Loan Servicing Activities and Acquired Loans Receivable, Net - Narrative (Details) Details http://pos.toasttab.com/role/LoanServicingActivitiesandAcquiredLoansReceivableNetTables 51 false false R52.htm 9955533 - Disclosure - Goodwill and Intangible Assets - Schedule of Rollforward of Goodwill (Details) Sheet http://pos.toasttab.com/role/GoodwillandIntangibleAssetsScheduleofRollforwardofGoodwillDetails Goodwill and Intangible Assets - Schedule of Rollforward of Goodwill (Details) Details 52 false false R53.htm 9955534 - Disclosure - Goodwill and Intangible Assets - Schedule of Intangible Assets, Net (Details) Sheet http://pos.toasttab.com/role/GoodwillandIntangibleAssetsScheduleofIntangibleAssetsNetDetails Goodwill and Intangible Assets - Schedule of Intangible Assets, Net (Details) Details 53 false false R54.htm 9955535 - Disclosure - Goodwill and Intangible Assets - Schedule of Future Amortization Expense (Details) Sheet http://pos.toasttab.com/role/GoodwillandIntangibleAssetsScheduleofFutureAmortizationExpenseDetails Goodwill and Intangible Assets - Schedule of Future Amortization Expense (Details) Details 54 false false R55.htm 9955536 - Disclosure - Debt (Details) Sheet http://pos.toasttab.com/role/DebtDetails Debt (Details) Details http://pos.toasttab.com/role/Debt 55 false false R56.htm 9955537 - Disclosure - Other Balance Sheet Information - Schedule of Accounts Receivable, Net (Details) Sheet http://pos.toasttab.com/role/OtherBalanceSheetInformationScheduleofAccountsReceivableNetDetails Other Balance Sheet Information - Schedule of Accounts Receivable, Net (Details) Details 56 false false R57.htm 9955538 - Disclosure - Other Balance Sheet Information - Schedule of Allowance for Credit Losses (Details) Sheet http://pos.toasttab.com/role/OtherBalanceSheetInformationScheduleofAllowanceforCreditLossesDetails Other Balance Sheet Information - Schedule of Allowance for Credit Losses (Details) Details 57 false false R58.htm 9955539 - Disclosure - Other Balance Sheet Information - Schedule of Other Current Assets (Details) Sheet http://pos.toasttab.com/role/OtherBalanceSheetInformationScheduleofOtherCurrentAssetsDetails Other Balance Sheet Information - Schedule of Other Current Assets (Details) Details 58 false false R59.htm 9955540 - Disclosure - Other Balance Sheet Information - Schedule of Property and Equipment, Net (Details) Sheet http://pos.toasttab.com/role/OtherBalanceSheetInformationScheduleofPropertyandEquipmentNetDetails Other Balance Sheet Information - Schedule of Property and Equipment, Net (Details) Details 59 false false R60.htm 9955541 - Disclosure - Other Balance Sheet Information - Narrative (Details) Sheet http://pos.toasttab.com/role/OtherBalanceSheetInformationNarrativeDetails Other Balance Sheet Information - Narrative (Details) Details 60 false false R61.htm 9955542 - Disclosure - Other Balance Sheet Information - Schedule of Accrued Expenses and Other Current Liabilities (Details) Sheet http://pos.toasttab.com/role/OtherBalanceSheetInformationScheduleofAccruedExpensesandOtherCurrentLiabilitiesDetails Other Balance Sheet Information - Schedule of Accrued Expenses and Other Current Liabilities (Details) Details 61 false false R62.htm 9955543 - Disclosure - Common Stock - Narrative (Details) Sheet http://pos.toasttab.com/role/CommonStockNarrativeDetails Common Stock - Narrative (Details) Details 62 false false R63.htm 9955544 - Disclosure - Stock-Based Compensation Expense - Schedule of Stock-based Compensation (Details) Sheet http://pos.toasttab.com/role/StockBasedCompensationExpenseScheduleofStockbasedCompensationDetails Stock-Based Compensation Expense - Schedule of Stock-based Compensation (Details) Details 63 false false R64.htm 9955545 - Disclosure - Stock-Based Compensation Expense - Narrative (Details) Sheet http://pos.toasttab.com/role/StockBasedCompensationExpenseNarrativeDetails Stock-Based Compensation Expense - Narrative (Details) Details 64 false false R65.htm 9955546 - Disclosure - Stock-Based Compensation Expense - Schedule of Weighted Average Assumptions (Details) Sheet http://pos.toasttab.com/role/StockBasedCompensationExpenseScheduleofWeightedAverageAssumptionsDetails Stock-Based Compensation Expense - Schedule of Weighted Average Assumptions (Details) Details 65 false false R66.htm 9955547 - Disclosure - Stock-Based Compensation Expense - Schedule of Stock Option Activity (Details) Sheet http://pos.toasttab.com/role/StockBasedCompensationExpenseScheduleofStockOptionActivityDetails Stock-Based Compensation Expense - Schedule of Stock Option Activity (Details) Details 66 false false R67.htm 9955548 - Disclosure - Stock-Based Compensation Expense - Schedule of RSU Activity (Details) Sheet http://pos.toasttab.com/role/StockBasedCompensationExpenseScheduleofRSUActivityDetails Stock-Based Compensation Expense - Schedule of RSU Activity (Details) Details 67 false false R68.htm 9955549 - Disclosure - Revenue from Contracts with Customers - Schedule of Activity of Deferred Revenue (Details) Sheet http://pos.toasttab.com/role/RevenuefromContractswithCustomersScheduleofActivityofDeferredRevenueDetails Revenue from Contracts with Customers - Schedule of Activity of Deferred Revenue (Details) Details 68 false false R69.htm 9955550 - Disclosure - Revenue from Contracts with Customers - Narrative (Details) Sheet http://pos.toasttab.com/role/RevenuefromContractswithCustomersNarrativeDetails Revenue from Contracts with Customers - Narrative (Details) Details 69 false false R70.htm 9955551 - Disclosure - Revenue from Contracts with Customers - Schedule of Deferred Contact Acquisitions Costs (Details) Sheet http://pos.toasttab.com/role/RevenuefromContractswithCustomersScheduleofDeferredContactAcquisitionsCostsDetails Revenue from Contracts with Customers - Schedule of Deferred Contact Acquisitions Costs (Details) Details 70 false false R71.htm 9955552 - Disclosure - Restructuring Plan (Details) Sheet http://pos.toasttab.com/role/RestructuringPlanDetails Restructuring Plan (Details) Details http://pos.toasttab.com/role/RestructuringPlan 71 false false R72.htm 9955553 - Disclosure - Income Taxes - Schedule of Components of Income (Loss) Before Provision for Income Taxes (Details) Sheet http://pos.toasttab.com/role/IncomeTaxesScheduleofComponentsofIncomeLossBeforeProvisionforIncomeTaxesDetails Income Taxes - Schedule of Components of Income (Loss) Before Provision for Income Taxes (Details) Details 72 false false R73.htm 9955554 - Disclosure - Income Taxes - Schedule of Components of Income Tax (Expense) Benefit (Details) Sheet http://pos.toasttab.com/role/IncomeTaxesScheduleofComponentsofIncomeTaxExpenseBenefitDetails Income Taxes - Schedule of Components of Income Tax (Expense) Benefit (Details) Details 73 false false R74.htm 9955555 - Disclosure - Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Details) Sheet http://pos.toasttab.com/role/IncomeTaxesScheduleofDeferredTaxAssetsandLiabilitiesDetails Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Details) Details 74 false false R75.htm 9955556 - Disclosure - Income Taxes - Schedule of Effective Income Tax Rate Reconciliation for the Year Ended 2025 (Details) Sheet http://pos.toasttab.com/role/IncomeTaxesScheduleofEffectiveIncomeTaxRateReconciliationfortheYearEnded2025Details Income Taxes - Schedule of Effective Income Tax Rate Reconciliation for the Year Ended 2025 (Details) Details 75 false false R76.htm 9955557 - Disclosure - Income Taxes - Schedule of Effective Income Tax Rate Reconciliation for the Year Ended 2024 and 2023 (Details) Sheet http://pos.toasttab.com/role/IncomeTaxesScheduleofEffectiveIncomeTaxRateReconciliationfortheYearEnded2024and2023Details Income Taxes - Schedule of Effective Income Tax Rate Reconciliation for the Year Ended 2024 and 2023 (Details) Details 76 false false R77.htm 9955558 - Disclosure - Income Taxes - Narrative (Details) Sheet http://pos.toasttab.com/role/IncomeTaxesNarrativeDetails Income Taxes - Narrative (Details) Details 77 false false R78.htm 9955559 - Disclosure - Income Taxes - Schedule of Unrecognized Tax Benefits Roll Forward (Details) Sheet http://pos.toasttab.com/role/IncomeTaxesScheduleofUnrecognizedTaxBenefitsRollForwardDetails Income Taxes - Schedule of Unrecognized Tax Benefits Roll Forward (Details) Details 78 false false R79.htm 9955560 - Disclosure - Net Income (Loss) Per Share Attributable to Common Stockholders - Schedule of Net Income (Loss) Per Share (Details) Sheet http://pos.toasttab.com/role/NetIncomeLossPerShareAttributabletoCommonStockholdersScheduleofNetIncomeLossPerShareDetails Net Income (Loss) Per Share Attributable to Common Stockholders - Schedule of Net Income (Loss) Per Share (Details) Details http://pos.toasttab.com/role/NetIncomeLossPerShareAttributabletoCommonStockholdersTables 79 false false R80.htm 9955561 - Disclosure - Net Income (Loss) Per Share Attributable to Common Stockholders - Schedule of Antidilutive Shares (Details) Sheet http://pos.toasttab.com/role/NetIncomeLossPerShareAttributabletoCommonStockholdersScheduleofAntidilutiveSharesDetails Net Income (Loss) Per Share Attributable to Common Stockholders - Schedule of Antidilutive Shares (Details) Details http://pos.toasttab.com/role/NetIncomeLossPerShareAttributabletoCommonStockholdersTables 80 false false R81.htm 9955562 - Disclosure - Segment Information - Narrative (Details) Sheet http://pos.toasttab.com/role/SegmentInformationNarrativeDetails Segment Information - Narrative (Details) Details 81 false false R82.htm 9955563 - Disclosure - Segment Information - Schedule of Segment Reporting Information, by Segment (Details) Sheet http://pos.toasttab.com/role/SegmentInformationScheduleofSegmentReportingInformationbySegmentDetails Segment Information - Schedule of Segment Reporting Information, by Segment (Details) Details 82 false false R83.htm 9955564 - Disclosure - Segment Information - Schedule of Long-lived Assets by Geographic Areas (Details) Sheet http://pos.toasttab.com/role/SegmentInformationScheduleofLonglivedAssetsbyGeographicAreasDetails Segment Information - Schedule of Long-lived Assets by Geographic Areas (Details) Details 83 false false R84.htm 9955565 - Disclosure - Commitment and Contingencies (Details) Sheet http://pos.toasttab.com/role/CommitmentandContingenciesDetails Commitment and Contingencies (Details) Details http://pos.toasttab.com/role/CommitmentandContingencies 84 false false R85.htm 9955566 - Disclosure - Retirement Plan (Details) Sheet http://pos.toasttab.com/role/RetirementPlanDetails Retirement Plan (Details) Details http://pos.toasttab.com/role/RetirementPlan 85 false false R86.htm 9955567 - Disclosure - Subsequent Events (unaudited) (Details) Sheet http://pos.toasttab.com/role/SubsequentEventsunauditedDetails Subsequent Events (unaudited) (Details) Details http://pos.toasttab.com/role/SubsequentEventsunaudited 86 false false All Reports Book All Reports tost-20251231.htm tost-20251231.xsd tost-20251231_cal.xml tost-20251231_def.xml tost-20251231_lab.xml tost-20251231_pre.xml tost-20251231_g1.jpg http://fasb.org/srt/2025 http://fasb.org/us-gaap/2025 http://xbrl.sec.gov/cyd/2025 http://xbrl.sec.gov/dei/2025 http://xbrl.sec.gov/ecd/2025 true true