Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Revision of Prior Period [Axis] Revision of Prior Period [Axis] Common stock, number of votes per share Common Stock, Number Of Votes Per Share Common Stock, Number Of Votes Per Share Accrued expenses and other current liabilities Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Accrued Liabilities Statistical Measurement [Domain] Statistical Measurement [Domain] Thereafter Lessee, Operating Lease, Liability, to be Paid, after Year Five 2018 Plan 2018 Plan [Member] 2018 Plan Restricted cash included in prepaid and other current assets Restricted cash Restricted Cash, Current Related Party Transaction [Axis] Related Party Transaction [Axis] Simple Agreements for Future Equity [Abstract] Simple Agreements for Future Equity Additional Paid-In Capital Additional Paid-in Capital [Member] Second Lien Loans Debt, Policy [Policy Text Block] Conversion of redeemable convertible preferred stock in connection with reverse recapitalization Stock Issued During Period, Value, Conversion of Convertible Securities, Reverse Recapitalization Stock Issued During Period, Value, Conversion of Convertible Securities, Reverse Recapitalization Temporary equity, carrying amount, period decrease Temporary Equity, Carrying Amount, Period Increase (Decrease) Leases [Abstract] Gross increases based on tax positions related to prior years Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions Recently Adopted Accounting Standards and Recently Issued Accounting Standards New Accounting Pronouncements, Policy [Policy Text Block] Class a Ordinary shares of AACT Class A Ordinary Shares of AACT [Member] Class A Ordinary Shares of AACT Accounts payable Increase (Decrease) in Accounts Payable Deferred contract costs Contract with Customer, Asset, after Allowance for Credit Loss, Current R&D credits Effective Income Tax Rate Reconciliation, Tax Credit, Research, Amount Outstanding stock options Stock Options [Member] Stock Options Gross Unrealized Loss Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, before Tax Redeemable Convertible Preferred Stock Temporary Equity, Policy [Policy Text Block] Temporary Equity, Policy Warrant outstanding (in shares) Class of Warrant or Right, Outstanding Net loss per common share, basic (in dollars per share) Net income (loss) per common share, basic (in dollars per share) Earnings Per Share, Basic Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Liabilities Liabilities, Fair Value Disclosure [Abstract] Common stock, capital shares reserved for future issuance (in shares) Common Stock, Capital Shares Reserved for Future Issuance SAFEs Fair value of simple agreement for future equity Simple Agreements For Future Equity, Liability Simple Agreements For Future Equity, Liability Revenues Revenue from Contract with Customer [Text Block] Liabilities assumed from reverse recapitalization Liabilities Assumed From Reverse Recapitalization Liabilities Assumed From Reverse Recapitalization Stock-based compensation Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-Based Compensation Cost Change in unrecognized tax benefits Effective Income Tax Rate Reconciliation, Tax Contingency, Percent Stock, Class of Stock [Table] Stock, Class of Stock [Table] Total deferred tax assets Deferred Tax Assets, Gross Redeemable convertible preferred stock warrants Redeemable convertible preferred stock warrants Redeemable Convertible Preferred Stock Warrants [Member] Redeemable Convertible Preferred Stock Warrants Discount rate Measurement Input, Discount Rate [Member] Number of tranches Reverse Recapitalization, Contingent Consideration, Number Of Tranches Reverse Recapitalization, Contingent Consideration, Number Of Tranches Cash, Cash Equivalent, and Investment Cash, Cash Equivalent, and Investment [Table Text Block] Total Current Income Tax Expense (Benefit) Performance obligation Revenue, Remaining Performance Obligation, Amount Measurement Input Type [Domain] Measurement Input Type [Domain] Affiliated Entity Affiliated Entity [Member] Concentration risk, percentage Concentration Risk, Percentage Stock-based compensation Share-Based Payment Arrangement, Noncash Expense Common stock options Stock Option Share-Based Payment Arrangement, Option [Member] Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Research and Development Research and Development Expense, Policy [Policy Text Block] Preferred stock, convertible, conversion ratio Preferred Stock, Convertible, Conversion Ratio Cash and Cash Equivalents Cash and Cash Equivalents, Policy [Policy Text Block] Cash paid for income taxes Income Taxes Paid Reverse recapitalization, contingent consideration, (in shares) Reverse Recapitalization, Contingent Consideration, Equity, Shares Reverse Recapitalization, Contingent Consideration, Equity, Shares Percent Effective Income Tax Rate Reconciliation, Percent [Abstract] Preferred Investors Preferred Investors [Member] Preferred Investors Antidilutive Securities [Axis] Antidilutive Securities [Axis] Total stockholders’ deficit Beginning balance Ending balance Equity, Attributable to Parent Debt Securities, Available-for-Sale [Table] Debt Securities, Available-for-Sale [Table] Total stock-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 Depreciation and amortization, adjusted Depreciation, Depletion and Amortization, Adjusted Depreciation, Depletion and Amortization, Adjusted Schedule of Reverse Recapitalization Schedule Of Reverse Recapitalization [Table Text Block] Schedule Of Reverse Recapitalization New shares issued during period (in shares) Issuance of common stock in connection with debt financing (in shares) Stock Issued During Period, Shares, New Issues Current assets: Assets, Current [Abstract] Forfeited (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures in Period Total liabilities, redeemable convertible preferred stock and stockholders’ deficit Liabilities and Equity Non Redemption Investors Non-Redemption Investors [Member] Non-Redemption Investors Shares issued for acquisition (in shares) Stock Issued During Period, Shares, Acquisitions Number of Options (in thousands) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding [Roll Forward] Public Warrants Public Warrants Public Warrants [Member] Public Warrants Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Concentration of Risks Concentration Risk, Credit Risk, Policy [Policy Text Block] Liabilities, redeemable convertible preferred stock and stockholders’ deficit Liabilities and Equity [Abstract] State and Local Jurisdiction State and Local Jurisdiction [Member] Reclassification of Assumed Kodiak Warrants Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Reclassification Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Reclassification Cover [Abstract] Estimated Fair Value Cash and Cash Equivalents, Fair Value Disclosure Conversion of Stock, Name [Domain] Conversion of Stock, Name [Domain] Warrant Liabilities Warrant Liabilities [Text Block] Warrant Liabilities Maximum Maximum [Member] General and administrative General and Administrative Expense [Member] Exercisable (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Exercise Price Principal payments, delay period Debt Instrument, Principal Payments, Delay Period Debt Instrument, Principal Payments, Delay Period 2029 Purchase Obligation, to be Paid, Year Three Legacy Kodiak Legacy Kodiak [Member] Legacy Kodiak Accounting Policies [Abstract] Exchange of simple agreements for future equity for second lien loan Exchange Of SAFEs For Convertible Debt Exchange Of SAFEs For Convertible Debt Common Stock Additional Paid-In Capital Common Stock Additional Paid-In Capital [Member] Common Stock Additional Paid-In Capital Schedules of Maturities of Lease Liabilities Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block] Concentration Risk Type [Domain] Concentration Risk Type [Domain] Reverse Recapitalization Reverse Recapitalization Disclosure [Text Block] Reverse Recapitalization Disclosure Debt Instrument [Line Items] Debt Instrument [Line Items] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Fair value 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Schedule of Long-Term Debt Instruments [Table] U.S. Freight Delivery Customers US Freight Delivery Customers [Member] US Freight Delivery Customers Statement of Stockholders' Equity [Abstract] Share-based payment arrangement, amount capitalized Share-Based Payment Arrangement, Amount Capitalized Short-term debt obligations Long-Term Debt, Current Maturities Statement of Cash Flows [Abstract] 2028 Lessee, Operating Lease, Liability, to be Paid, Year Three Accrued bonus Accrued Bonuses, Current Proceeds from exercise of common stock warrants included in prepaid and other current assets Proceeds From Warrants Exercised Included In Prepaid And Other Current Assets Proceeds From Warrants Exercised Included In Prepaid And Other Current Assets Other liabilities Increase (Decrease) in Other Noncurrent Liabilities Comprehensive loss Comprehensive Income (Loss), Net of Tax, Attributable to Parent Expired (in dollars per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Expirations in Period, Weighted Average Exercise Price Measurement Input Type [Axis] Measurement Input Type [Axis] Private Placement Warrants Private Placement Warrants Private Placement Warrants [Member] Private Placement Schedule of Total Stock-Based Compensation Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block] Operating lease liabilities, current Less: Operating lease liabilities, current Operating Lease, Liability, Current Schedule of Changes in Estimated Fair Values of Liabilities Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] Proceeds from maturities of marketable securities Proceeds from Maturities, Prepayments and Calls of Debt Securities, Available-for-Sale Freight delivery, payment terms (in days) Freight Delivery, Payment Terms Freight Delivery, Payment Terms Final payment fee due Debt Instrument, Final Payment Fee Debt Instrument, Final Payment Fee Class of Stock [Line Items] Class of Stock [Line Items] Intangible assets, net (including goodwill) Intangible Assets, Net (Including Goodwill) Temporary equity, shares authorized (in shares) Temporary Equity, Shares Authorized Award Type Award Type [Axis] Reverse recapitalization Revision of Prior Period, Adjustment [Member] Promissory notes remained outstanding Long-Term Debt Legal Entity [Axis] Legal Entity [Axis] Total assets Assets Software Development Costs Research, Development, and Computer Software, Policy [Policy Text Block] Schedule of Nonvested Restricted Stock Units Activity Schedule of Nonvested Restricted Stock Units Activity [Table Text Block] Stock-based Compensation Share-Based Payment Arrangement [Policy Text Block] 2029 Lessee, Operating Lease, Liability, to be Paid, Year Four Vested (in dollars 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 NRA Warrants Non-Redemption Agreement Warrants [Member] Non-Redemption Agreement Warrants Restricted Cash Cash and Cash Equivalents, Restricted Cash and Cash Equivalents, Policy [Policy Text Block] Operating lease liabilities Deferred Tax Assets, Operating Lease Liabilities Deferred Tax Assets, Operating Lease Liabilities Operating Loss Carryforwards [Table] Operating Loss Carryforwards [Table] Change in valuation allowance Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent NRA Warrants NRA Warrants [Member] NRA Warrants Income Taxes Income Tax, Policy [Policy Text Block] Operating activities: Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Common stock warrants Common Stock Warrants [Member] Common Stock Warrants R&D credits Effective Income Tax Rate Reconciliation, Tax Credit, Research, Percent Total deferred tax assets, net of valuation allowance Deferred Tax Assets, Net of Valuation Allowance Concentration Risk Type [Axis] Concentration Risk Type [Axis] Statement of Income Location, Balance [Domain] Statement of Income Location, Balance [Domain] Restricted Stock Units (RSUs) Restricted Stock Units (RSUs) Restricted Stock Units (RSUs) [Member] Affiliate of AACT Affiliate of AACT [Member] Affiliate of AACT Assets Assets, Fair Value Disclosure [Abstract] Entity Emerging Growth Company Entity Emerging Growth Company 2028 Long-Term Debt, Maturity, Year Three Warrant Warrant [Member] 2022 Credit Facility 2022 Credit Facility [Member] 2022 Credit Facility Operating lease right-of-use asset obtained in exchange for operating lease liability upon new operating lease Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Debt Securities, Available-for-Sale [Line Items] Debt Securities, Available-for-Sale [Line Items] Beginning balance (in shares) Ending balance (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number 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[Table] Schedule Of Reverse Recapitalization [Table] Schedule Of Reverse Recapitalization Common stock, shares outstanding (in shares) Beginning balance (in shares) Ending balance (in shares) Common stock, outstanding (in shares) Common Stock, Shares, Outstanding Non-Redemption Warrants Non-Redemption Warrants [Member] Non-Redemption Warrants Change in fair value of warrants Change in fair value of redeemable convertible preferred stock warrant liabilities Fair Value Adjustment of Warrants Schedule of Components of Income Tax Expense (Benefit) Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] Plan Name [Axis] Plan Name [Axis] Property and Equipment, Net Property, Plant and Equipment, Policy [Policy Text Block] Interest income Investment Income, Interest Reverse recapitalization, transaction costs Reverse Recapitalization, Transaction Costs Reverse Recapitalization, Transaction Costs Contingent consideration, stock price, trading days, minimum (in days) Reverse Recapitalization, Contingent Consideration, Stock Price, Trading Days, Minimum Reverse Recapitalization, Contingent Consideration, Stock Price, Trading Days, Minimum Legacy Kodiak Advisor Shares Legacy Kodiak Advisor Shares [Member] Legacy Kodiak Advisor Shares Current: Current Income Tax Expense (Benefit), Continuing Operations [Abstract] Increase (decrease) in valuation allowance Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount Charitable contributions Deferred Tax Assets, Charitable Contribution Carryforwards 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 stock options Stock Issued During Period, Value, Stock Options Exercised Less: unamortized final payment fee Debt Instrument, Unamortized Final Payment Fee Debt Instrument, Unamortized Final Payment Fee Publicly held shares of AACT Publicly held shares of AACT [Member] Publicly held shares of AACT Change in valuation allowance Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount Shares converted, recapitalization (in shares) Stock Converted, Reverse Recapitalization Stock Converted, Reverse Recapitalization Expected volatility Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate Accumulated Deficit Retained Earnings [Member] Prepaid expenses and other current assets Total prepaid expenses and other current assets Prepaid Expense and Other Assets, Current Income Tax Jurisdiction [Axis] Income Tax Jurisdiction [Axis] Number of Restricted Stock Units Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Debt instrument, effective interest rate Debt Instrument, Interest Rate, Effective Percentage Schedule of Accrued Expenses and Other Current Liabilities Schedule of Accrued Liabilities [Table Text Block] Share-Based Payment Arrangement [Abstract] Cash and cash equivalents and restricted cash at beginning of period Cash and cash equivalents and restricted cash at end of period Total cash and cash equivalents and restricted cash Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Income Statement [Abstract] Income taxes Income taxes Income Tax Expense (Benefit) Debt instrument, basis spread on variable rate Debt Instrument, Basis Spread on Variable Rate Purchases of marketable securities Payments to Acquire Marketable Securities Sale of Stock [Domain] Sale of Stock [Domain] Series A redeemable convertible preferred stock issued in connection with reverse recapitalization, net Temporary Equity, Stock Issued During Period, Value, New Issues Temporary equity, fair value Temporary Equity, Fair Value Temporary Equity, Fair Value Dividend rate Measurement Input, Expected Dividend Rate [Member] Prior to first anniversary Prior To First Anniversary [Member] Prior To First Anniversary Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Customer Concentration Risk Customer Concentration Risk [Member] Warrants, adjusted redemption trigger price, percentage of market value Class Of Warrant Or Right, Adjusted Redemption Trigger Price, Percentage Of Market Value Class Of Warrant Or Right, Adjusted Redemption Trigger Price, Percentage Of Market Value Total property and equipment Property, Plant and Equipment, Gross Cash and cash equivalents and marketable securities Cash, Cash Equivalents, and Short-Term Investments Simple agreements for future equity Simple Agreements For Future Equity, Noncurrent Simple Agreements For Future Equity, Noncurrent Total liabilities measured at fair value Liabilities, Fair Value Disclosure Business Combination [Table] Business Combination [Table] Legacy Kodiak common stock Legacy Kodiak Shares [Member] Legacy Kodiak Shares Organization, Consolidation and Presentation of Financial Statements [Abstract] Warrants and Earn Out Securities Stockholders' Equity, Policy [Policy Text Block] Notes Payable Notes Payable, Other Payables [Member] Non-cash lease expense Operating Lease, Right-of-Use Asset, Periodic Reduction Series B-1 Series B-1 Redeemable Convertible Preferred Stock [Member] Series B-1 Redeemable Convertible Preferred Stock Proceeds from issuance of private placement Proceeds from Issuance of Private Placement Proceeds from exercise of stock options Proceeds from Stock Options Exercised Accrued expenses and other current liabilities Total accrued expenses and other current liabilities Accrued Liabilities, Current Other Effective Income Tax Rate Reconciliation, Other Adjustments, Amount Settlement via conversion or exercise Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Settlements 46th trading day following 6 months after closing date 46th Trading Day following 6 Months after Closing Date [Member] 46th Trading Day following 6 Months after Closing Date Beginning balance (in shares) Ending balance (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number Commitments and Contingencies Disclosure [Abstract] Class of Warrant or Right [Line Items] Class of Warrant or Right [Line Items] Proceeds from long term line of credit Proceeds from Long-Term Lines of Credit Conversion of stock, amount converted Conversion of Stock, Amount Converted Investing activities: Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] General and administrative General and Administrative Expense Total unrecognized compensation expense Share-Based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount SAFE Simple Agreements For Future Equity [Member] Simple Agreements For Future Equity Reverse recapitalization, consideration received Reverse Recapitalization, Consideration Received Reverse Recapitalization, Consideration Received Net cash used in operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Advisor of Legacy Kodiak Advisor of Legacy Kodiak [Member] Advisor of Legacy Kodiak Proceeds from issuance of simple agreements for future equity Proceeds From Issuance Of Simple Agreements For Future Equity Proceeds From Issuance Of Simple Agreements For Future Equity Less: Debt, current portion Long-Term Debt, Principal Amount, Current Maturities Long-Term Debt, Principal Amount, Current Maturities Period for prior written notice before redemption (in days) Class Of Warrant Or Right, Period For Prior Written Notice Before Redemption Class Of Warrant Or Right, Period For Prior Written Notice Before Redemption Technology infrastructure Technology Equipment [Member] Preferred stock, par value (in dollars per share) Preferred Stock, Par or Stated Value Per Share Estimated useful lives of property and equipment Property, Plant and Equipment, Useful Life Subsequent Event Subsequent Event [Member] SAFE agreement, amount exchanged SAFE Agreement, Amount Exchanged SAFE Agreement, Amount Exchanged Schedule of Fair Value of Stock Options Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] Construction in progress Construction In Progress, Net Construction In Progress, Net Total outstanding Equity-Classified Common Stock Warrants [Member] Equity-Classified Common Stock Warrants Schedule of Additional Information Related to Operating Leases Lease, Cost [Table Text Block] Long-Term Debt, Type [Axis] Long-Term Debt, Type [Axis] Money market funds Money Market Funds [Member] Proceeds from the reverse recapitalization, net of transaction costs Proceeds From Reverse Recapitalization, Net Proceeds From Reverse Recapitalization, Net Numerator Net Income (Loss) Available to Common Stockholders, Diluted [Abstract] Federal Deferred Federal Income Tax Expense (Benefit) Equity Components [Axis] Equity Components [Axis] Entity Ex Transition Period Entity Ex Transition Period Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] Unrecognized Tax Benefits [Roll Forward] Unrecognized Tax Benefits [Roll Forward] Convertible Debt Convertible Debt [Member] 2025 Simple Agreements For Future Equity 2025 Simple Agreements For Future Equity [Member] 2025 Simple Agreements For Future Equity Stock issued during period for services Stock Issued During Period, Value, Issued for Services Equipment and hardware Equipment and Hardware [Member] Equipment and Hardware AACT & Legacy Kodiak AACT & Legacy Kodiak [Member] AACT & Legacy Kodiak Concentration Risk [Table] Concentration Risk [Table] Number of reportable segments Number of Reportable Segments Expired (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Expirations in Period Volume-weighted average price, period (in days) Class of Warrant Or Right, Volume-Weighted Average Price, Period Class of Warrant Or Right, Volume-Weighted Average Price, Period Schedule of NOLs and Tax Credit Carryforwards Summary of Operating Loss Carryforwards [Table Text Block] Supplemental disclosure of cash activities: Supplemental Cash Flow Information [Abstract] Amortized Cost Debt Securities, Available-for-Sale, Amortized Cost Development costs capitalized during period Capitalized Computer Software, Additions Sales and Marketing Advertising Cost [Policy Text Block] Weighted–Average Exercise Price Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] Schedule of Non-cancellable Future Minimum Payments Contractual Obligation, Fiscal Year Maturity [Table Text Block] Marketable Securities Marketable Securities, Policy [Policy Text Block] Series B-2 Series B-2 Redeemable Convertible Preferred Stock [Member] Series B-2 Redeemable Convertible Preferred Stock Fair Value of Financial Instruments Fair Value Measurement, Policy [Policy Text Block] Warrants, redemption price (in dollars per share) Class Of Warrant Or Right, Redemption Price Class Of Warrant Or Right, Redemption Price 2023 Simple Agreements For Future Equity 2023 Simple Agreements For Future Equity [Member] 2023 Simple Agreements For Future Equity Related and Nonrelated Parties [Domain] Related and Nonrelated Parties [Domain] Total current liabilities Liabilities, Current Amount Income Tax Expense (Benefit), Effective Income Tax Rate Reconciliation, Amount [Abstract] Stock issued during period, conversion of SAFE agreement (in shares) Stock Issued During Period, Shares, Conversion Of SAFE Agreement Stock Issued During Period, Shares, Conversion Of SAFE Agreement Net change in cash and cash equivalents and restricted cash Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Excluding Exchange Rate Effect, Including Discontinued Operation Vesting [Axis] Vesting [Axis] Restricted cash Restricted Cash Income Tax Jurisdiction [Domain] Income Tax Jurisdiction [Domain] Research and development Research and Development Expense [Member] Entity [Domain] Entity [Domain] Net cash (used in) provided by investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation 2027 Purchase Obligation, to be Paid, Year One Triggering Event I Triggering Event I [Member] Triggering Event I Cash paid for interest Interest Paid, Excluding Capitalized Interest, Operating Activity Triggering Event II Triggering Event II [Member] Triggering Event II Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Percentage of warrant to purchase (in percent) Class Of Warrant Or Right, Number Of Securities Called By Warrants Or Rights, Percentage Of Common Stock Class Of Warrant Or Right, Number Of Securities Called By Warrants Or Rights, Percentage Of Common Stock Revenue from contract with customer, DaaS, contract term (in years) Revenue From Contract With Customer, DaaS, Contract Term Revenue From Contract With Customer, DaaS, Contract Term Operating lease right-of-use assets Operating Lease, Right-of-Use Asset Second Lien Loans from Exchange of SAFE Second Lien Loans from Exchange of SAFE [Member] Second Lien Loans from Exchange of SAFE Ares Acquisition Holdings II LP Ares Acquisition Holdings II LP [Member] Ares Acquisition Holdings II LP Repayment of debt Repayments of Long-Term Debt Effective tax rate Effective tax rate Effective Income Tax Rate Reconciliation, Percent Gross decrease based on tax positions related to prior years Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions Operating lease expense Operating Lease, Cost Accrued payroll and related expenses Other Employee-related Liabilities, Current Plan Name [Domain] Plan Name [Domain] Warrant, reset period Class Of Warrant Or Right, Reset Period One Class Of Warrant Or Right, Reset Period One PIPE Warrants PIPE Warrants PIPE Warrants [Member] PIPE Warrants Change in fair value of second lien loans Change in fair value of second lien loans Fair Value Adjustment Of Convertible Debt Fair Value Adjustment Of Convertible Debt Warrants, redemption trigger price (in dollars per share) Class Of Warrant Or Right, Redemption Trigger Price Class Of Warrant Or Right, Redemption Trigger Price Nonvested award, cost not yet recognized, period for recognition (in years) Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Sale of stock, price per share (in dollars per share) Class Of Warrant Or Right, Redeemable Condition, Price per Share, Minimum Class Of Warrant Or Right, Redeemable Condition, Price per Share, Minimum Redeemable Preferred Stock Conversion Redeemable Preferred Stock Conversion [Member] Redeemable Preferred Stock Conversion Conversion of redeemable convertible preferred stock in connection with reverse recapitalization Temporary Equity, Value, Conversion of Convertible Securities, Reverse Recapitalization Temporary Equity, Value, Conversion of Convertible Securities, Reverse Recapitalization Issuance of common stock upon exercise of stock options (in shares) Exercised (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period Less: valuation allowance Deferred Tax Assets, Valuation Allowance Equity [Abstract] Revenue Recognition Revenue from Contract with Customer [Policy Text Block] Options vested and exercisable, aggregate intrinsic value Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Intrinsic Value Stock-based compensation Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-Based Payment Arrangement, Amount Total Purchase Obligation Segment Segment Reporting Disclosure [Text Block] Loss on issuance of 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Leases Lessee, Leases [Policy Text Block] Measurement Input, Price Volatility Measurement Input, Price Volatility [Member] SAFE agreement, aggregate purchase amount SAFE Agreement, Aggregate Purchase Amount SAFE Agreement, Aggregate Purchase Amount Depreciation and amortization Depreciation, Depletion and Amortization Net asset value per share (in dollars per share) Net Asset Value Per Share Other assets Other Assets, Noncurrent Customer [Domain] Customer [Domain] Entity Central Index Key Entity Central Index Key Convertible debt, conversion price (in dollars per share) Debt Instrument, Convertible, Conversion Price Schedule of Future Minimum Principal Payments Schedule of Maturities of Long-Term Debt [Table Text Block] Stock Conversion Description [Axis] Stock Conversion Description [Axis] 2028 Purchase Obligation, to be Paid, Year Two Supplemental disclosure of non-cash activities: Supplemental Cash Flow Elements [Abstract] Customer A Customer A [Member] Customer A Truck and Freight 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Payment Award [Line Items] Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Loss on temporary equity and warrants Gain (Loss) On Temporary Equity And Warrants Gain (Loss) On Temporary Equity And Warrants 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 2029 Long-Term Debt, Maturity, Year Four Weighted-average remaining lease term 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] Interest expense Interest Expense, Nonoperating Debt instrument, measurement input Debt Instrument, Measurement Input Fourth to fifth anniversary Fourth To Fifth Anniversary [Member] Fourth To Fifth Anniversary Subsequent Events Subsequent Events [Text Block] Forfeited (in dollars per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price Second to third anniversary Second To Third Anniversary [Member] Second To Third Anniversary 2026 (remaining nine months) Long-Term Debt, Maturity, Remainder of Fiscal Year Transferable, assignable, or salable, period following closing (in days) Class Of Warrant Or Right, Transferable, Assignable, Or Salable, Period Following Closing Class Of Warrant Or Right, Transferable, Assignable, Or Salable, Period Following Closing AACT Sponsors AACT Sponsors [Member] AACT Sponsors Total liabilities Liabilities Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Cash and Cash Equivalents [Axis] Cash and Cash Equivalents [Axis] Unrealized losses on marketable securities Marketable Security, Unrealized Gain (Loss) Debt, current portion Other Long-Term Debt, Current Add: adjustments to undistributed earnings to participating securities Adjustments To Undistributed Earnings (Loss) Allocated to Participating Securities Adjustments To Undistributed Earnings (Loss) Allocated to Participating Securities Purchases of property and equipment included in accounts payable and accrued expenses and other current liabilities Capital Expenditures Incurred but Not yet Paid Line of credit facility, maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Payment of deposits Payments for Other Deposits Gross increases based on tax positions related to current year Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions Other Property, Plant and Equipment, Other Types [Member] Shares repurchased during period (in shares) Stock Repurchased During Period, Shares Operating expenses: Operating Expenses [Abstract] Correction of an immaterial error of redeemable convertible preferred stock warrants Adjustments To Additional Paid In Capital, Error Correction Adjustments To Additional Paid In Capital, Error Correction Redeemable convertible preferred stock Cumulative redeemable convertible preferred stock Redeemable Convertible Preferred Stock [Member] Schedule Of Reverse Recapitalization [Line Items] Schedule Of Reverse Recapitalization [Line Items] Schedule Of Reverse Recapitalization [Line Items] Increase (Decrease) in Temporary Equity [Roll Forward] Increase (Decrease) in Temporary Equity [Roll Forward] Issuance of common stock in connection with debt financing Stock Issued During Period, Value, New Issues Statement [Line Items] Statement [Line Items] Cash and cash equivalents Cash and cash equivalents Cash and Cash Equivalent Non-redemption agreement, shares that can't be redeemed (in shares) Non-Redemption Agreement, Shares Non-Redemption Agreement, Shares Counterparty Name [Axis] Counterparty Name [Axis] Subsequent Event [Line Items] Subsequent Event [Line Items] Risk-free interest rate, Maximum Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Maximum 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 Issuance during the year Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Issuances Estimated Fair Value U.S. Treasury securities Debt Securities, Available-for-Sale AACT AACT [Member] AACT