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Disclosure - Acquisition - Summary of Fair Value of Identified Assets Acquired and Liabilities Assumed (Details) link:presentationLink link:calculationLink link:definitionLink 100580 - Disclosure - Acquisition - Summary of Final Identifiable Intangible Assets Acquired and their Estimated Weighted Average Useful (Details) link:presentationLink link:calculationLink link:definitionLink 100590 - Disclosure - Acquisition - Summary of Pro Forma Information (Details) link:presentationLink link:calculationLink link:definitionLink 100600 - Disclosure - Acquisition - Summary of Fair Value of Consideration Transferred (Details) link:presentationLink link:calculationLink link:definitionLink 100610 - Disclosure - Acquisition - Summary of Fair Value of Consideration Transferred (Parenthetical) (Details) link:presentationLink link:calculationLink link:definitionLink 100620 - Disclosure - Inventory - Schedule of Inventory (Details) link:presentationLink link:calculationLink link:definitionLink 100630 - Disclosure - Inventory - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 100640 - Disclosure - Property and Equipment, Net - Schedule of Property and Equipment, Net (Details) link:presentationLink link:calculationLink link:definitionLink 100650 - Disclosure - Property and Equipment, Net - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 100660 - Disclosure - Goodwill and Intangible Assets - Summary of Activity in Carrying Value of Goodwill by Reporting Unit (Details) link:presentationLink link:calculationLink link:definitionLink 100670 - Disclosure - Goodwill and Intangible Assets - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 100680 - Disclosure - Goodwill and Intangible Assets - Schedule of Intangible Assets, Net (Details) link:presentationLink link:calculationLink link:definitionLink 100690 - Disclosure - Goodwill and Intangible Assets - Schedule of Estimated Amortization Expense for Intangible Assets (Details) link:presentationLink link:calculationLink link:definitionLink 100700 - Disclosure - Accrued Expenses and Other Current Liabilities - Schedule of Accrued Expenses (Details) link:presentationLink link:calculationLink link:definitionLink 100710 - Disclosure - Accrued Expenses and Other Current Liabilities - Other Current Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 100720 - Disclosure - Vehicle Floorplan Facility - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 100730 - Disclosure - Warehouse Credit Facilities of Consolidated VIEs - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 100740 - Disclosure - Warehouse Credit Facilities of Consolidated VIEs - Schedule of Terms of the Warehouse Credit Facilities (Details) link:presentationLink link:calculationLink link:definitionLink 100750 - Disclosure - Leases - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 100760 - Disclosure - Leases - 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Disclosure - Financial Instruments and Fair Value Measurements - Schedule of Reconciliation of Financial Assets Measured at Fair Value on a Recurring Basis Using Level 3 Inputs (Details) link:presentationLink link:calculationLink link:definitionLink 100890 - Disclosure - Financial Instruments and Fair Value Measurements - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 100900 - Disclosure - Financial Instruments and Fair Value Measurements - Summary of Gains or Losses Recorded Related to Eligible Financial Instruments (Details) link:presentationLink link:calculationLink link:definitionLink 100910 - Disclosure - Financial Instruments and Fair Value Measurements - Summary of Other Relevant Data Related to Finance Receivables Carried at Fair Value (Details) link:presentationLink link:calculationLink link:definitionLink 100920 - Disclosure - Financial Instruments and Fair Value Measurements - Summary of Other Relevant Data Related to Debt of Securitized VIEs Carried at Fair Value (Details) link:presentationLink link:calculationLink link:definitionLink 100930 - Disclosure - Financial Instruments and Fair Value Measurements - Summary of Fair Value of Financial Instruments Not Carried at Fair Value (Details) link:presentationLink link:calculationLink link:definitionLink 100940 - Disclosure - Restructuring Activities - Components of Restructuring Charges (Details) link:presentationLink link:calculationLink link:definitionLink 100950 - Disclosure - Restructuring Activities - Components of Restructuring Charges (Details) (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 100960 - Disclosure - Restructuring Activities - Reconciliation of Beginning and Ending Restructuring Liability (Details) link:presentationLink link:calculationLink link:definitionLink 100970 - Disclosure - Segment Information - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 100980 - Disclosure - Segment Information - Summary of Reportable Segments (Details) link:presentationLink link:calculationLink link:definitionLink 100990 - Disclosure - Segment Information - Schedule of Reconciliation Between Reportable Segment Gross Profit to Consolidated Loss Before Provision for Income Taxes (Details) link:presentationLink link:calculationLink link:definitionLink 101000 - Disclosure - Income Taxes - Schedule of Domestic and Foreign Pretax Income (Loss) (Details) link:presentationLink link:calculationLink link:definitionLink 101010 - Disclosure - Income Taxes - Schedule of Components of Provision for Income Taxes (Details) link:presentationLink link:calculationLink link:definitionLink 101020 - Disclosure - Income Taxes - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 101030 - Disclosure - Income Taxes - Schedule of Effective Income Tax Rate Reconciliation (Details) link:presentationLink link:calculationLink link:definitionLink 101040 - Disclosure - Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 101050 - 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