EV Purchase Agreement EV Purchase Agreement [Member] EV Purchase Agreement Award Timing Predetermined Award Timing Predetermined [Flag] Entity File Number Entity File Number Additional Paid-In Capital Additional Paid-in Capital [Member] Number of purchase periods Share-Based Compensation Arrangement By Share-based Payment Award, Number Of Purchase Periods Share-Based Compensation Arrangement By Share-based Payment Award, Number Of Purchase Periods Basic vehicle warranty term Basic Vehicle Warranty Term Basic Vehicle Warranty Term Reclassification adjustment for realized gains on investments included in net loss Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Net of Tax Tabular List, Table Tabular List [Table Text Block] Accretion of redeemable convertible preferred stock (related party) Accretion of redeemable convertible preferred stock (related party) Preferred Stock, Accretion, Net Preferred Stock, Accretion, Net Loss contingency, 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Stock-based compensation expense capitalized Share-Based Payment Arrangement, Amount Capitalized Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Option Indexed to Issuer's Equity, Type [Domain] Option Indexed to Issuer's Equity, Type [Domain] Period for suspension of funding, attainment of agreed scope of operations Related Party Transaction, Threshold, Period For Suspension Of Funding, Attainment Of Agreed Scope Of Operations Related Party Transaction, Threshold, Period For Suspension Of Funding, Attainment Of Agreed Scope Of Operations Letter of Credit Letter of Credit [Member] Schedule of Stock-Based Compensation Expense Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block] Operating lease liabilities, current portion Other current liabilities Less: Current portion Operating Lease, Liability, Current Interest on lease liabilities Finance Lease, Interest Expense Document Fiscal Period Focus Document Fiscal Period Focus Fair value amount Related Party Transaction, Fair Value Amount Related Party Transaction, Fair Value Amount Convertible preferred stock, shares authorized (in shares) Temporary Equity, Shares Authorized Award Timing Method Award Timing Method [Text Block] Litigation Case [Domain] Litigation Case [Domain] The Underwriter The Underwriter [Member] The Underwriter Finance leases Finance Leases [Member] Finance Leases Furniture and fixtures Furniture and Fixtures [Member] Award Type [Axis] Award Type [Axis] Trading Symbol Trading Symbol 2030 Lessee, Operating Lease, Liability, to be Paid, Year Four Time-Based Shares Time-Based Restricted Stock Units [Member] Time-Based Restricted Stock Units 2026 Notes 2026 Notes [Member] 2026 Notes Entity Address, City or Town Entity Address, City or Town Short-term Debt, Type [Domain] Short-Term Debt, Type [Domain] Finance leases Finance Lease, Weighted Average Discount Rate, Percent Workforce Reduction Plan [Domain] Workforce Reduction Plan [Domain] Workforce Reduction Plan [Domain] Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Income Statement Location [Domain] Statement of Income Location, Balance [Domain] Restricted stock units outstanding RSUs outstanding Restricted Stock Units (RSUs) [Member] Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Entity Emerging Growth Company Entity Emerging Growth Company Finance leases Finance Lease, Weighted Average Remaining Lease Term Balance - beginning of period (in shares) Balance - end of period (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number Service Loaner Vehicles Service Loaner Vehicles [Member] Service Loaner Vehicles Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year [Member] Dividend rate, percentage Temporary Equity, Dividend Rate, Percentage Temporary Equity, Dividend Rate, Percentage If-converted common shares from 2026 Notes If-Converted Common Shares From 2026 Notes [Member] If-Converted Common Shares From 2026 Notes Swingline Loan Subfacility Swingline Loan Subfacility [Member] Swingline Loan Subfacility Operating Lease Vehicles Operating Lease Vehicles [Member] Operating Lease Vehicles IEEPA Tariff IEEPA Tariff [Member] IEEPA Tariff Change in fair value of derivative liabilities associated with redeemable convertible preferred stock (related party) Derivative, Gain (Loss) on Derivative, Net Restructuring Reserve [Roll Forward] Restructuring Reserve [Roll Forward] Less: Interest Finance Lease, Liability, Undiscounted Excess Amount Incremental common shares attributable to dilutive effect of contingently issuable shares (in shares) Incremental Common Shares Attributable to Dilutive Effect of Contingently Issuable Shares Common stock, shares outstanding (in shares) Beginning balance (in shares) Ending balance (in shares) Common Stock, Shares, Outstanding Number of vesting installments Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Number Of Vesting Installments Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Number Of Vesting Installments Proceeds from borrowings from a related party Proceeds from Related Party Debt Unrealized gain (loss), foreign currency transaction, before tax Unrealized Gain (Loss), Foreign Currency Transaction, before Tax Issuance of common stock upon exercise of stock options Stock Issued During Period, Value, Stock Options Exercised 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] Nature of Operation, Product Information, Concentration of Risk [Table] Nature of Operation, Product Information, Concentration of Risk [Table] Debt instrument, effective interest rate Debt Instrument, Interest Rate, Effective Percentage Entity Address, Postal Zip Code Entity Address, Postal Zip Code Restatement Determination Date Restatement Determination Date Provision for (benefit from) income taxes Benefit from (provision for) income taxes Income Tax Expense (Benefit) Interest rate Debt Instrument, Basis Spread on Variable Rate Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Property, plant, and equipment Property, Plant and Equipment, Gross Inventory write-down Inventory And Purchase Obligation Write-Down Inventory And Purchase Obligation Write-Down Indemnification Agreement Indemnification Agreement [Member] Accrued purchases Accrued Purchases Accrued Purchases Non-cash operating lease cost Operating Lease, Right-of-Use Asset, Periodic Reduction Ori Winitzer [Member] Ori Winitzer Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Proceeds from exercise of stock options Proceeds from Stock Options Exercised Less accumulated depreciation and amortization Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, Accumulated Depreciation and Amortization Building and improvements Building and Building Improvements [Member] All Trading Arrangements All Trading Arrangements [Member] Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Balance at beginning of period (in shares) Balance at end of period (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number Commitments and Contingencies Disclosure [Abstract] Weighted-average discount rate: Leases, Weighted Average Discount Rate [Abstract] Leases, Weighted Average Discount Rate Term (in years) Derivative Liability, Measurement Input, Expected Term Derivative Liability, Measurement Input, Expected Term Net cash used in operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation 2025 DDTL Credit Facility 2025 DDTL Credit Facility [Member] 2025 DDTL Credit Facility Long-term investments (including $13,615 and $24,259 associated with a related party as of March 31, 2026 and December 31, 2025, respectively) Long-Term Investments Long-Term Investments Debt instrument, term Debt Instrument, Term Proceeds from sale of investments Proceeds from Sale of Debt Securities, Available-for-Sale Sale of stock, period after close when share transfer is not permitted Sale of Stock, Period After Close When Share Transfer is Not Permitted Sale of Stock, Period After Close When Share Transfer is Not Permitted Revenues from External Customers and Long-Lived Assets [Line Items] Revenues from External Customers and Long-Lived Assets [Line Items] Subsequent Event Subsequent Event [Member] Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] PEO Total Compensation Amount PEO Total Compensation Amount Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] Money market funds Money Market Funds [Member] Derivative liability, measurement input Derivative Liability, Measurement Input 2030 Finance Lease, Liability, to be Paid, Year Four Forward Counterparty Forward Counterparty [Member] Forward Counterparty Weighted-average shares outstanding attributable to common stockholders Weighted Average Number of Shares Outstanding, Basic [Abstract] Prepaid forward transaction, cash fee accrual rate Prepaid Forward Transaction, Cash Fee Accrual Rate Prepaid Forward Transaction, Cash Fee Accrual Rate Equity Components [Axis] Equity Components [Axis] Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] Convertible Debt Convertible Debt [Member] Change in fair value of common stock warrant liability Common Stock Warrant Liability Common Stock Warrant Liability [Member] Common Stock Warrant Liability Period for suspension of funding, operation commencement Related Party Transaction, Threshold, Period For Suspension Of Funding, Operation Commencement Related Party Transaction, Threshold, Period For Suspension Of Funding, Operation Commencement Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Number of reportable segments Number of Reportable Segments Schedule of Estimated Future Payments Contractual Obligation, Fiscal Year Maturity [Table Text Block] Entity Address, State or Province Entity Address, State or Province Payment for finance lease liabilities Finance Lease, Principal Payments Delayed Draw Term Loan (DDTL) Delayed Draw Term Loan (DDTL) [Member] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Antidilutive Security, Excluded EPS Calculation [Table] Total finance lease expense Finance Lease, Cost Finance Lease, Cost Total current liabilities Liabilities, Current Long-term Purchase Commitment, Category of Item Purchased [Domain] Long-Term Purchase Commitment, Category of Item Purchased [Domain] Individual: Individual [Axis] Company matching contribution Defined Contribution Plan, Cost Total Property, plant and equipment Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, before Accumulated Depreciation and Amortization Research and development Research and Development Expense [Member] Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Entity Interactive Data Current Entity Interactive Data Current Loss Contingency, Nature [Domain] Loss Contingency, Nature [Domain] Revenue from Contracts with Customers Revenue from Contract with Customer [Policy Text Block] Options vested and exercisable, intrinsic value Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Intrinsic Value Debt instrument, periodic payment, principal Debt Instrument, Periodic Payment, Principal Long-Lived Tangible Asset [Axis] Long-Lived Tangible Asset [Axis] 2030 Notes 2030 Notes [Member] 2030 Notes 2028 Finance Lease, Liability, to be Paid, Year Two Other noncurrent assets Other Assets, Noncurrent Accrued interest Interest Payable, Current Customer [Domain] Customer [Domain] Central Index Key Entity Central Index Key PEO Name PEO Name Debt instrument, initial conversion price (in dollars per share) Debt Instrument, Convertible, Conversion Price 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] 2028 Purchase Obligation, to be Paid, Year Two Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Land and land improvements Land and Land Improvements [Member] Proceeds from convertible debt used for repurchase Proceeds from Convertible Debt Used For Repurchase Proceeds from Convertible Debt Used For Repurchase Fair value-beginning of period Fair value-end of period Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Strategic Technology Arrangement Strategic Technology Arrangement [Member] Strategic Technology Arrangement Deferred revenue Contract with Customer, Liability, Current Redeemable convertible preferred stock, (related party) Beginning balance Ending balance Temporary Equity, Carrying Amount, Attributable to Parent Operating leases: Operating lease expense: Lessee, Operating Lease, Description [Abstract] Work in progress Inventory, Work in Process, Net of Reserves Exercise Price Award Exercise Price Battery Cells Battery Cells [Member] Battery Cells Entity Filer Category Entity Filer Category Class of Stock [Domain] Class of Stock [Domain] Subsequent Event Type [Axis] Subsequent Event Type [Axis] Debt, net of current portion Long-Term Debt, Excluding Current Maturities Balance Sheet Location [Axis] Statement of Financial Position Location, Balance [Axis] Class of Warrant or Right [Domain] Class of Warrant or Right [Domain] Sale of stock, additional number of shares issued in transaction (in shares) Sale of Stock, Additional Number of Shares Issued in Transaction Sale of Stock, Additional Number of Shares Issued in Transaction Time deposits Time deposits Bank Time Deposits [Member] Cost of revenue - excluding LCNRV and provision for warranty Cost of Goods Sold, Excluding LCNRV and Warranty Provision [Member] Cost of Goods Sold, Excluding LCNRV and Warranty Provision 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] KAFD Lease Agreement King Abdullah Financial District Development and Management Company [Member] King Abdullah Financial District Development and Management Company Entity Address, Address Line One Entity Address, Address Line One Research and development Research and development expenses Research and Development Expense Accumulated Other Comprehensive Income (Loss) AOCI Attributable to Parent [Member] Shares withheld for tax withholding obligation (in shares) Share-Based Payment Arrangement, Shares Withheld for Tax Withholding Obligation Schedule of Common Stock Reserved for Future Issuances Schedule of Stock by Class [Table Text Block] Fair Value as of Grant Date Award Grant Date Fair Value Schedule of Carrying Value of Debt Schedule of Long-Term Debt Instruments [Table Text Block] Granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period Purchases of investments (including nil and $(30,000) from a related party for the three months ended March 31, 2026 and 2025, respectively) Purchases of investments Payments to Acquire Investments Title of Individual [Domain] Title and Position [Domain] Total cost and expenses Costs and Expenses Cancelled/forfeited (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period Unamortized share-based compensation expense Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount Related Party Transaction [Line Items] Related Party Transaction [Line Items] Document Quarterly Report Document Quarterly Report Schedule of Significant Inputs Used in the Valuation of the Derivative Liability Fair Value Measurement Inputs and Valuation Techniques [Table Text Block] Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Counterparty Name [Domain] Counterparty Name [Domain] 2028 Lessee, Operating Lease, Liability, to be Paid, Year Two Warranty costs incurred Standard Product Warranty Accrual, Decrease for Payments Stock split ratio, common stock Stockholders' Equity Note, Stock Split, Conversion Ratio Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Private Placement Warrants to purchase common stock Private Placement Warrants to Purchase Common Stock [Member] Private Placement Warrants to Purchase Common Stock Options outstanding, weighted average remaining contractual term Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Line of credit facility, increase (decrease), net Line of Credit Facility, Increase (Decrease), Net Title Trading Arrangement, Individual Title Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Temporary Equity Disclosure [Abstract] Non-PEO NEO Non-PEO NEO [Member] Options outstanding, intrinsic value Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Intrinsic Value Letters of credit outstanding Letters of Credit Outstanding, Amount Finance leases: Finance lease expense: Lessee, Finance Lease, Description [Abstract] Workforce Reduction Plan [Axis] Workforce Reduction Plan [Axis] Workforce Reduction Plan Sale of Stock [Axis] Sale of Stock [Axis] Gross Unrealized Gains Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain, before Tax Award Type [Domain] Award Type [Domain] 2027 Lessee, Operating Lease, Liability, to be Paid, Year One Equity Awards Adjustments Equity Awards Adjustments [Member] Leasehold improvements Leasehold Improvements [Member] Other non-cash items Other Noncash Income (Expense) Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Debt instrument, convertible, redemption period, number of consecutive business days Debt Instrument, Convertible, Redemption Period, Number Of Consecutive Business Days Debt Instrument, Convertible, Redemption Period, Number Of Consecutive Business Days Compensation Amount Outstanding Recovery Compensation Amount 2026 (remainder of the year) Purchase Obligation, to be Paid, Remainder of Fiscal Year Proceeds from failed sale leaseback transaction Proceeds From Failed Sale Leaseback Transaction Proceeds From Failed Sale Leaseback Transaction Derivative Liabilities Derivative Financial Instruments, Liabilities [Member] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Recovery of Erroneously Awarded Compensation Disclosure [Line Items] MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Employee stock purchase plan Employee Stock [Member] 2026 (remainder of the year) Finance Lease, Liability, to be Paid, Remainder of Fiscal Year Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] Accumulated other comprehensive income Accumulated Other Comprehensive Income (Loss), Net of Tax Financial Instruments [Domain] Financial Instruments [Domain] Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Inventory Total Inventory Inventory, Net Minimum Minimum [Member] Reserve for loss on firm inventory purchase commitments Loss Reserve On Firm Commitments, Current Loss Reserve On Firm Commitments, Current Number of facilities Line Of Credit Facility, Number Of Facilities Line Of Credit Facility, Number Of Facilities Net Carrying Amount Convertible Debt Company Selected Measure Name Company Selected Measure Name DEBT Debt Disclosure [Text Block] Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Accounts payable (including $20,127 and nil associated with a related party as of March 31, 2026 and December 31, 2025, respectively) Accounts payable Accounts Payable, Current Provision for warranty Standard Product Warranty Accrual, Increase for Warranties Issued Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Net loss attributable to common stockholders, diluted Net Income (Loss) Available to Common Stockholders, Diluted Shares issued on initial date outstanding threshold Temporary Equity, Threshold, Percentage Of Shares Issued On Initial Date Outstanding Temporary Equity, Threshold, Percentage Of Shares Issued On Initial Date Outstanding COMMITMENTS AND CONTINGENCIES Commitments and Contingencies Disclosure [Text Block] Diluted (in shares) Weighted-average shares outstanding, diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Segment Reporting Segment Reporting, Policy [Policy Text Block] Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Derivative [Table] Derivative [Table] Consecutive offering period Share-Based Compensation Arrangement By Share-based Payment Award, Consecutive Offering Period Share-Based Compensation Arrangement By Share-based Payment Award, Consecutive Offering Period Entity Small Business Entity Small Business Commissions and other issuance cost Payments of Stock Issuance Costs Income Tax Disclosure [Abstract] 2026 Underwriting Agreement 2026 Underwriting Agreement [Member] 2026 Underwriting Agreement Loss contingency, number of cases called into single action Loss Contingency, Number of Cases Called Into Single Action Loss Contingency, Number of Cases Called Into Single Action 2030 Purchase Obligation, to be Paid, Year Four Document Transition Report Document Transition Report Total minimum lease payments Finance Lease, Liability, to be Paid Underlying Securities Award Underlying Securities Amount Equity Component [Domain] Equity Component [Domain] Document Period End Date Document Period End Date Cash and Cash Equivalents [Domain] Cash and Cash Equivalents [Domain] INCOME TAXES Income Tax Disclosure [Text Block] Proceeds from lines of credit Proceeds from Lines of Credit Contractual obligation Contractual Obligation Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] 2024 Underwriting Agreement 2024 Underwriting Agreement [Member] 2024 Underwriting Agreement Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration] Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration] Options vested and exercisable, weighted average remaining contractual term Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term Fair Value Convertible Debt, Fair Value Disclosures Shares repurchased, repurchase price (in dollars per share) Shares Acquired, Average Cost Per Share Document Type Document Type Level 3 Fair Value, Inputs, Level 3 [Member] NET LOSS PER SHARE Earnings Per Share [Text Block] Name Outstanding Recovery, Individual Name Loss Contingencies [Table] Loss Contingencies [Table] Additional paid-in capital Additional Paid in Capital Product and Service [Axis] Product and Service [Axis] Asset Acquisition [Domain] Asset Acquisition [Domain] Variable lease expense Variable Lease, Cost Revenue (including $38,370 and $5,096 from a related party for the three months ended March 31, 2026 and 2025, respectively) Revenue Revenue Revenue from Contract with Customer, Excluding Assessed Tax Share-based compensation arrangement by share-based payment award, award granted, percentage of target Share-Based Compensation Arrangement by Share-Based Payment Award, Award Granted, Percentage Of Target Share-Based Compensation Arrangement by Share-Based Payment Award, Award Granted, Percentage Of Target Leasehold improvements and other Construction In Progress, Leasehold Improvements [Member] Construction In Progress, Leasehold Improvements Total current assets Assets, Current Statistical Measurement [Axis] Statistical Measurement [Axis] Middle East Middle East [Member] Schedule of Operating and Finance Leases Assets And Liabilities, Lessee [Table Text Block] Assets And Liabilities, Lessee Options canceled (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price Commitment fee percentage Line of Credit Facility, Unused Capacity, Commitment Fee Percentage Number of lawsuits Loss Contingency, New Claims Filed, Number Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Tax withholding payments for net settlement of employee awards Payment, Tax Withholding, Share-Based Payment Arrangement Share-based payment arrangement, accelerated cost Share-Based Payment Arrangement, Accelerated Cost Voting cap calculation denominator (in dollars per share) Temporary Equity, Voting Cap, Denominator Temporary Equity, Voting Cap, Denominator Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Net loss attributable to common stockholders, basic Net Income (Loss) Available to Common Stockholders, Basic Schedule of Segment Revenue, Segment Profit or Loss, and Significant Segment Expenses Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table Text Block] Total other comprehensive income (loss) Other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Current liabilities: Liabilities, Current [Abstract] Additional Disclosures Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Additional Disclosures [Abstract] Workforce Reduction and Related Costs Workforce Reduction and Related Costs [Table Text Block] Workforce Reduction and Related Costs Level 1 Fair Value, Inputs, Level 1 [Member] Related Party Transaction [Table] Related Party Transaction [Table] Diluted (in dollars per share) Net loss per share attributable to common stockholders, diluted (in dollars per share) Earnings Per Share, Diluted Accounts receivable, net (including $95,278 and $120,540 from a related party as of March 31, 2026 and December 31, 2025, respectively) Accounts receivable, net Accounts Receivable, after Allowance for Credit Loss, Current Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Number of shares issued (in shares) Sale of Stock, Number of Shares Issued in Transaction Treasury stock (in shares) Treasury Stock, Common, Shares Prepaid expenses Increase (Decrease) in Prepaid Expense Credit Facility and Secured Debt Credit Facility and Secured Debt [Member] Credit Facility and Secured Debt Second Vehicle Production Agreement Second Vehicle Production Agreement [Member] Second Vehicle Production Agreement Convertible Senior Notes Due 2030 Convertible Senior Notes Due 2030 [Member] Convertible Senior Notes Due 2030 Short-term investments Debt Securities, Available-for-Sale, Current Less: Interest Lessee, Operating Lease, Liability, Undiscounted Excess Amount Cash paid for taxes Income Taxes Paid, Net Convertible preferred stock, shares issued (in shares) Temporary Equity, Shares Issued Accrued compensation Employee-related Liabilities, Current Total minimum lease payments Lessee, Operating Lease, Liability, to be Paid Net unrealized gains (losses) on investments, net of tax OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax Property, plant and equipment, net Property, plant and equipment, net Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, after Accumulated Depreciation and Amortization Former CEO Former CEO [Member] Former CEO Schedule of Other Current Liabilities Other Current Liabilities [Table Text Block] Expiration Date Trading Arrangement Expiration Date Other liabilities Increase (Decrease) in Other Operating Liabilities Related party transaction, amount of transaction Related Party Transaction, Amounts of Transaction Product Information [Line Items] Product Information [Line Items] Change in fair value of equity securities of a related party Change in fair value of equity securities of a related party Unrealized gain (loss) Change in fair value of equity securities Equity Securities, FV-NI, Unrealized Gain (Loss) Debt instrument, issuance price percentage Debt Instrument, Issuance Price Percentage Of Principal Amount Debt Instrument, Issuance Price Percentage Of Principal Amount If-converted common shares from Series B redeemable convertible preferred stock If-converted common shares from Series B redeemable convertible preferred stock If-Converted Common 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