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Total Shareholder Return Amount Total Shareholder Return Amount Shares withheld related to net share settlement Share-Based Payment Arrangement, Decrease for Tax Withholding Obligation Prepaid expenses and other assets Increase (Decrease) in Prepaid Expense and Other Assets Litigation Case [Domain] Litigation Case [Domain] Number of consecutive business days (in days) Debt Instrument, Convertible, Period After Consecutive Trading Days Debt Instrument, Convertible, Period After Consecutive Trading Days Research and development Research and Development Expense Adjustments to reconcile net income to net cash provided by operating activities Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] Share-based Payment Arrangement [Abstract] Share-Based Payment Arrangement [Abstract] Cash flows from financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Restricted cash and cash equivalents and restricted investments Restricted Cash And Cash Equivalents And Restricted Investments Restricted Cash And Cash Equivalents And Restricted Investments Financial Instruments [Domain] Financial Instruments [Domain] Balance Sheet Components Disclosure [Abstract] Additional Financial Information Disclosure [Abstract] Additional financial information disclosure. 2028 Lessee, Operating And Finance Lease, Liability, Payments, Due In Year Two Lessee, Operating And Finance Lease, Liability, Payments, Due In Year Two Repurchase and retirement of common stock Stock Repurchased During Period, Value Intangible Asset, Finite-Lived, Class [Axis] Intangible Asset, Finite-Lived, Class [Axis] Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Underlying Securities Award Underlying Securities Amount Revenue Revenue from Contract with Customer [Text Block] Aggregate Intrinsic Value Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value [Abstract] Cash Cash Other investing activities Payment for (Proceeds from) Other Investing Activity Operating leases, Weighted-average discount rate (as a percent) Operating Lease, Weighted Average Discount Rate, Percent Operating lease right-of-use assets Increase Decrease In Operating Lease Right Of Use Assets Increase decrease in operating lease right-of-use assets. Cash And Restricted Cash [Line Items] Cash And Restricted Cash [Line Items] Cash And Restricted Cash Finance lease, liability, current, statement of financial position Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] Schedule of Lease Costs and Supplemental Cash Flow Information Lease, Cost [Table Text Block] Less: amount of lease payments representing interest Lessee, Operating And Finance Lease, Liability, Undiscounted Excess Amount Lessee, Operating And Finance Lease, Liability, Undiscounted Excess Amount Other Other Assets, Current Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] All Trading Arrangements All Trading Arrangements [Member] Estimated fair value, less than 12 Months Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months Other Performance Measure, Amount Other Performance Measure, Amount Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Income (loss) from operations Operating Income (Loss) Enterprise and trade receivables, net Enterprise And Trade Receivables, Net Enterprise And Trade Receivables, Net Current Fiscal Year End Date Current Fiscal Year End Date Prepaid interest Prepaid Interest Schedule of Finance Lease Liabilities Finance Lease, Liability, to be Paid, Maturity [Table Text Block] Remainder of 2026 Finance Lease, Liability, to be Paid, Remainder of Fiscal Year Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Acquisitions Business Combination [Text Block] Vehicles Vehicles [Member] Repurchase and retirement of common stock (in shares) Shares repurchased (in shares) Stock Repurchased During Period, Shares 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] Entity File Number Entity File Number Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Vehicle loans and other interest expense Interest Expense, Vehicle Loans Interest Expense, Vehicle Loans Corporate bonds Corporate bonds Corporate bonds Corporate Bond Securities [Member] Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Common stock shares issued (in shares) Common Stock, Shares, Issued Measure: Measure [Axis] Description of Business and Basis of Presentation Business Description and Basis of Presentation [Text Block] Unvested units, at beginning aggregate intrinsic value Unvested units, at ending aggregate intrinsic value Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Nonvested Pacific Valley Insurance Company, Inc. Pacific Valley Insurance Company, Inc. [Member] Pacific Valley Insurance Company, Inc. Total minimum lease payments Lessee, Operating And Finance Lease, Liability, Payment Due Lessee, Operating And Finance Lease, Liability, Payment Due Allowance for credit loss on marketable and non-marketable available for sale debt securities Debt Securities, Available-for-Sale, Allowance for Credit Loss Current assets Business Combination, Recognized Asset Acquired, Asset, Current Unrealized losses, 12 months or greater Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss Equity Components [Axis] Equity Components [Axis] 2030 Lessee, Operating And Finance Lease, Liability, Payments, Due In Year Four Lessee, Operating And Finance Lease, Liability, Payments, Due In Year Four Product and Service [Domain] Product and Service [Domain] Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Class A Common Stock Common Class A [Member] Flexdrive Services, LLC Flexdrive Services, LLC [Member] Flexdrive Services, LLC Entity Interactive Data Current Entity Interactive Data Current Variable Rate [Axis] Variable Rate [Axis] Finance lease liabilities, current Finance lease liabilities, current Less: current obligations under leases Finance Lease, Liability, Current ESPP Employee Stock Purchase Plan [Member] Employee stock purchase plan. Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Entity Small Business Entity Small Business Comprehensive income Comprehensive Income (Loss), Net of Tax, Attributable to Parent 2029 Lessee, Operating Lease, Liability, to be Paid, Year Three Termination Date Trading Arrangement Termination Date Shares withheld related to net share settlement (in shares) Share-Based Payment Arrangement, Shares Withheld for Tax Withholding Obligation Estimated useful life (in years) Intangible Asset, Finite-Lived, Acquired, Weighted-Average Amortization Period Schedule of Debt Conversion and Redemption Options Schedule Of Debt Conversion And Redemption Options [Table Text Block] Schedule Of Debt Conversion And Redemption Options Gross carrying amount Identifiable intangible assets Business Combination, Recognized Asset Acquired, Identifiable Intangible Asset, Finite-Lived Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Other assets Other Assets, Noncurrent 2029 Finance Lease, Liability, to be Paid, Year Three Document Type Document Type Cash paid for acquisitions, net of cash acquired Payments to Acquire Businesses, Net of Cash Acquired Financial Instruments Measured at Fair Value on a Recurring Basis Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Gain on extinguishment of debt Gain (Loss) on Extinguishment of Debt Accrued and other current liabilities Accrued and other current liabilities Accrued Liabilities, Current Fair Value as of Grant Date Award Grant Date Fair Value Payment for settlement of convertible senior notes due 2025 Payment for settlement of convertible senior notes due 2025 Repayments of Convertible Debt Redemption price percentage (as a percent) Debt Instrument, Redemption Price, Percentage Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Legal and tax related accruals Legal And Tax Related Accruals, Current Legal And Tax Related Accruals, Current Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Remaining authorized share repurchase amount Share Repurchase Program, Remaining Authorized, Amount Arrangement Duration Trading Arrangement Duration Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Local Phone Number Local Phone Number Deferred tax Adjustments to Additional Paid in Capital, Equity Component of Convertible Debt and Derivatives Adjustments to Additional Paid in Capital, Equity Component of Convertible Debt and Derivatives Thereafter Lessee, Operating And Finance Lease, Liability, Payments Due After Year Four Lessee, Operating And Finance Lease, Liability, Payments Due After Year Four Entity Address, Postal Zip Code Entity Address, Postal Zip Code Entity Registrant Name Entity Registrant Name Unrealized losses, less than 12 months Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss Reconciliation of cash, cash equivalents and restricted cash and cash equivalents to the condensed consolidated balance sheets Reconciliation Of Cash Cash Equivalents And Restricted Cash And Cash Equivalents To Condensed Consolidated Balance Sheets [Abstract] Reconciliation of cash, cash equivalents and restricted cash and cash equivalents to condensed consolidated balance sheets. Income before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] 2027 Lessee, Operating And Finance Lease, Liability, Payments Due Next Twelve Months Lessee, Operating And Finance Lease, Liability, Payments Due Next Twelve Months Commitments and contingencies (Note 10) Commitments and Contingencies Revenue Revenues Debt Instrument, Redemption, Period [Domain] Debt Instrument, Redemption, Period [Domain] Finance lease, liability, noncurrent, statement of financial position Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration] Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Restricted investments Restricted Investments Including Marketable Securities Noncurrent Restricted investments​ including marketable securities noncurrent. Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Executive Category: Executive Category [Axis] Amortization of right-of-use assets Finance Lease, Right-of-Use Asset, Amortization Counterparty Name [Axis] Counterparty Name [Axis] Goodwill Goodwill [Roll Forward] Liabilities and Stockholders’ Equity Liabilities and Equity [Abstract] Intangible Asset, Finite-Lived, Class [Domain] Intangible Asset, Finite-Lived, Class [Domain] Trade name Trade Names [Member] Unrestricted cash equivalents and short-term investments, Unrealized Losses Cash Cash Equivalents And Short Term Investments Unrealized Losses Cash cash equivalents and short term investments unrealized losses. Award Type [Domain] Award Type [Domain] Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Interest on lease liabilities Finance Lease, Interest Expense Remainder of 2026 Lessee, Operating Lease, Liability, to be Paid, Remainder of Fiscal Year Fair Value Measurements Fair Value Disclosures [Text Block] Level 3 Fair Value, Inputs, Level 3 [Member] Remeasurement of finance and operating lease right-of-use assets Remeasurement Of Finance And Operating Lease Right Of Use Assets For Lease Modification Remeasurement of finance and operating lease right of use assets for lease modification PEO Name PEO Name Threshold percentage of stock price trigger (as a percent) Debt Instrument, Convertible, Threshold Percentage of Stock Price Trigger City and County of San Francisco City And County Of San Francisco [Member] City And County Of San Francisco Long-Lived Asset, Class [Axis] Long-Lived Asset, Class [Axis] Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Entity Tax Identification Number Entity Tax Identification Number Legal Entity [Axis] Legal Entity [Axis] Unrestricted cash equivalents and short-term investments, Estimated Fair Value Cash Equivalents And Short Term Investments Cash equivalents and short term investments. Contractual interest expense related to the 2025 Notes and 2029 Notes Interest Expense, Debt Repurchase of common stock Treasury Stock, Value, Acquired, Cost Method Lessee, Lease, Description [Table] Lessee, Lease, Description [Table] Product Concentration Risk Product Concentration Risk [Member] Revenue Recognition Revenue [Policy Text Block] Beginning of period End of period Total cash, cash equivalents and restricted cash and cash equivalents Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Accounts payable Increase (Decrease) in Accounts Payable Other Other Accrued Liabilities, Current Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Non-NEOs Non-NEOs [Member] Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member] Debt Instrument [Axis] Debt Instrument [Axis] Measurement Frequency [Domain] Measurement Frequency [Domain] Stock-based compensation Share-Based Payment Arrangement, Noncash Expense Total lease cost Lease, Cost Schedule of Outstanding Debt Obligations and Interest Expense Related to Convertible Debt Schedule of Debt [Table Text Block] Total unrestricted cash equivalents and short-term investments Unrestricted Cash Equivalents And Short Term Investments Fair Value Disclosure Unrestricted cash equivalents and short-term investments, fair value disclosure. Leases Lessee, Operating Leases [Text Block] Long-term Debt, Type [Domain] Long-Term Debt, Type [Domain] Basic (in dollars per share) Basic net income per share attributable to common stockholders (in dollars per share) Earnings Per Share, Basic Unrestricted and restricted cash equivalents and investments, Estimated Fair Value Unrestricted And Restricted Cash Equivalents And Investments Fair Value Disclosure Unrestricted and restricted cash equivalents and investments, fair value disclosure. Repurchase of Class A common stock Payments for Repurchase of Common Stock Total current assets Assets, Current Statistical Measurement [Axis] Statistical Measurement [Axis] Insider Trading Arrangements [Line Items] Long-term debt, net of current portion Total long-term debt Long-Term Debt, Excluding Current Maturities Cost of revenue Cost of Revenue Award Type [Axis] Award Type [Axis] Short-term lease cost Short-Term Lease, Cost Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Unrealized loss on marketable securities Other Comprehensive Income (Loss), Available-for-Sale Securities Adjustment, Net of Tax, Portion Attributable to Parent Accumulated deficit Retained Earnings (Accumulated Deficit) Product and Service [Axis] Product and Service [Axis] Limitation on sale of common stock, sale price threshold, number of trading days (in days) Debt Instrument, Convertible, Threshold Trading Days Restricted cash Restricted Cash, Noncurrent Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member] Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Total Debt Securities, Available-for-Sale Present value of future lease payments Lessee, Operating And Finance Lease, Liability Lessee, Operating And Finance Lease, Liability Operating lease cost Operating Lease, Cost Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Cover page. Cover [Abstract] Fair Value Measurement Inputs and Valuation Techniques [Table] Fair Value Measurement Inputs and Valuation Techniques [Table] Concentration risk (as a percent) Concentration Risk, Percentage Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Equity Awards Adjustments Equity Awards Adjustments [Member] Thereafter Finance Lease, Liability, To Be Paid, After Year Four Finance Lease, Liability, to be Paid, after Year Four Schedule of Convertible Notes Convertible Debt [Table Text Block] Total liabilities and stockholders’ equity Liabilities and Equity Variable lease cost Variable Lease, Cost Employee Stock Option Share-Based Payment Arrangement, Option [Member] Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Tabular List, Table Tabular List [Table Text Block] Additional paid-in capital Additional Paid in Capital Restricted cash and cash equivalents Restricted cash and cash equivalents Restricted Cash and Cash Equivalent, Noncurrent Name Awards Close in Time to MNPI Disclosures, Individual Name Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member] Canceled (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period Money market deposit accounts Money Market Depository Accounts [Member] Money Market Depository Accounts Senior secured leverage ratio Debt Instrument, Covenant Senior Secured Leverage Ratio Debt Instrument, Covenant Senior Secured Leverage Ratio General and administrative General and Administrative Expense Long-Lived Asset, Class [Domain] Long-Lived Asset, Class [Domain] Preferred stock shares authorized (in shares) Preferred Stock, Shares Authorized Weighted-average remaining lease term (years) Weighted Average Remaing Lease Term [Abstract] Weighted Average Remaing Lease Term Preferred stock, $0.00001 par value; 1,000,000 shares authorized as of June 30, 2026 and December 31, 2025; no shares issued and outstanding as of June 30, 2026 and December 31, 2025 Preferred Stock, Value, Issued Adjustment to Compensation: Adjustment to Compensation [Axis] Schedule of Fair Value and Useful Lives of Identified Intangible Assets Business Combination, Intangible Asset, Acquired, Finite-Lived [Table Text Block] Insurance-related accruals Insurance-Related Accruals, Current Carrying value as of the balance sheet date of liabilities reflecting estimated ultimate cost for claims incurred but not paid and claims that have been incurred but not yet reported and any estimable administrative run-out expenses related to the processing of these outstanding claim payments. Class of Stock [Domain] Class of Stock [Domain] Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Operating cash flows from finance leases Finance Lease, Interest Payment on Liability Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Cash and cash equivalents and short-term investments Cash And Cash Equivalents And Short-Term Investments Cash And Cash Equivalents And Short-Term Investments Credit Facility [Axis] Credit Facility [Axis] Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Total financial assets Assets, Fair Value Disclosure Restricted cash equivalents and investments, Estimated Fair Value Restricted Cash Equivalents And Short Term Investments Restricted cash equivalents and short term investments. Revenue, Product and Service Benchmark Revenue, Product and Service Benchmark [Member] Name Measure Name Income Taxes Income Tax Disclosure [Text Block] Cash and Cash Equivalent [Table] Cash and Cash Equivalent [Table] Accounts payable Accounts Payable, Current Pay vs Performance Disclosure [Line Items] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Other Other Noncash Income (Expense) Debt Instrument Debt Instrument [Line Items] Due within one year to three years Debt Securities, Available-For-Sale, Fair Value, Maturity, Allocated And Single Maturity Date, After Year One Through Three Debt Securities, Available-For-Sale, Fair Value, Maturity, Allocated And Single Maturity Date, After Year One Through Three Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Total acquisition consideration Business Combination, Consideration Transferred Additional Paid-in Capital Additional Paid-in Capital [Member] Entity Filer Category Entity Filer Category Estimated fair value, total Debt Securities, Available-for-Sale, Unrealized Loss Position Short-term investments Short-Term Investments Covenant leverage ratio (as a percent) Debt Instrument, Covenant Leverage Ratio Debt Instrument, Covenant Leverage Ratio Schedule Of Cash And Restricted Cash [Table] Schedule Of Cash And Restricted Cash [Table] Schedule Of Cash And Restricted Cash Name Trading Arrangement, Individual Name Cash and cash equivalents Cash and cash equivalents Cash and Cash Equivalent Finance Leases Finance Lease, Liability, to be Paid, Fiscal Year Maturity [Abstract] Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Company Selected Measure Amount Company Selected Measure Amount Depreciation and amortization Depreciation, Depletion and Amortization SOFR Secured Overnight Financing Rate (SOFR) [Member] Entity Address, Address Line Two Entity Address, Address Line Two Right-of-use assets acquired under finance leases Right-of-Use Asset Obtained in Exchange for Finance Lease Liability Current assets Assets, Current [Abstract] Operating lease, weighted-average remaining lease term (in years) Operating Lease, Weighted Average Remaining Lease Term Non-PEO NEO Non-PEO NEO [Member] Finance Leases Lessee, Finance Leases [Abstract] Lessee, Finance Leases Entity Address, Address Line One Entity Address, Address Line One Right-of-use assets acquired under operating leases Right-of-Use Asset Obtained in Exchange for Operating Lease Liability 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 Provision for income taxes Provision for income taxes Income Tax Expense (Benefit) Riverstone International Insurance, Inc. Riverstone International Insurance, Inc. [Member] Riverstone International Insurance, Inc. Unrestricted cash equivalents and short-term investments, Unrealized Gains Cash Cash Equivalents And Short Term Investments Unrealized Gains Cash cash equivalents and short term investments unrealized gains. Award Timing Method Award Timing Method [Text Block] Net increase in cash, cash equivalents and restricted cash and cash equivalents Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Net income Net income Net income attributable to common stockholders, basic and diluted Net Income (Loss) Attributable to Parent Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Ride Share Ride Share [Member] Ride Share Sales of property and equipment Proceeds from Sale of Property, Plant, and Equipment Statement [Table] Statement [Table] Restatement Determination Date: Restatement Determination Date [Axis] Certificates of deposit Certificates of deposit Certificates of deposit Certificates of Deposit [Member] Interest income earned Investment Income, Interest Federal Funds Rate Fed Funds Effective Rate Overnight Index Swap Rate [Member] Limitation on sale of common stock, sale price threshold, trading period (in days) Debt Instrument, Convertible, Threshold Consecutive Trading Days Cash and Cash Equivalents [Axis] Cash and Cash Equivalents [Axis] Loss contingency, damages sought, value Loss Contingency, Damages Sought, Value Unrestricted and restricted cash equivalents and investments, Unrealized Gains Unrestricted And Restricted Cash Equivalents And Investments Unrealized Gains Unrestricted and restricted cash equivalents and investments unrealized gains. Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block]