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Disclosure - Description of Business and Basis of Presentation link:presentationLink link:calculationLink link:definitionLink 100080 - Disclosure - Summary of Significant Accounting Policies link:presentationLink link:calculationLink link:definitionLink 100090 - Disclosure - Revenue Recognition link:presentationLink link:calculationLink link:definitionLink 100100 - Disclosure - Variable Interest Entities and Securitizations link:presentationLink link:calculationLink link:definitionLink 100110 - Disclosure - Acquisition link:presentationLink link:calculationLink link:definitionLink 100120 - Disclosure - Inventory link:presentationLink link:calculationLink link:definitionLink 100130 - Disclosure - Property and Equipment, Net link:presentationLink link:calculationLink link:definitionLink 100140 - Disclosure - Goodwill and Intangible Assets link:presentationLink link:calculationLink link:definitionLink 100150 - Disclosure - Accrued Expenses and Other Current Liabilities link:presentationLink link:calculationLink link:definitionLink 100160 - Disclosure - Vehicle Floorplan Facility link:presentationLink link:calculationLink link:definitionLink 100170 - Disclosure - Warehouse Credit Facilities of Consolidated VIEs link:presentationLink link:calculationLink link:definitionLink 100180 - Disclosure - Long Term Debt link:presentationLink link:calculationLink link:definitionLink 100190 - Disclosure - Commitments and Contingencies link:presentationLink link:calculationLink link:definitionLink 100200 - Disclosure - Stockholders' Equity link:presentationLink link:calculationLink link:definitionLink 100210 - Disclosure - Stock-based Compensation link:presentationLink link:calculationLink link:definitionLink 100220 - Disclosure - Financial Instruments and Fair Value Measurements link:presentationLink link:calculationLink link:definitionLink 100230 - Disclosure - Restructuring Activities link:presentationLink link:calculationLink link:definitionLink 100240 - Disclosure - Segment Information link:presentationLink link:calculationLink link:definitionLink 100250 - Disclosure - Income Taxes link:presentationLink link:calculationLink link:definitionLink 100260 - Disclosure - Net Loss Per Share link:presentationLink link:calculationLink link:definitionLink 100270 - Disclosure - Related Party Transactions link:presentationLink link:calculationLink link:definitionLink 100280 - Disclosure - Subsequent Events link:presentationLink link:calculationLink link:definitionLink 100290 - Disclosure - Summary of Significant Accounting Policies (Policies) link:presentationLink link:calculationLink link:definitionLink 100300 - Disclosure - Variable Interest Entities and Securitizations (Tables) link:presentationLink link:calculationLink link:definitionLink 100310 - Disclosure - Acquisition (Tables) link:presentationLink link:calculationLink link:definitionLink 100320 - Disclosure - Inventory (Tables) link:presentationLink link:calculationLink link:definitionLink 100330 - Disclosure - Property and Equipment, Net (Tables) link:presentationLink link:calculationLink link:definitionLink 100340 - Disclosure - Goodwill and Intangible Assets (Tables) link:presentationLink link:calculationLink link:definitionLink 100350 - Disclosure - Accrued Expenses and Other Current Liabilities (Tables) link:presentationLink link:calculationLink link:definitionLink 100360 - Disclosure - Warehouse Credit Facilities of Consolidated VIEs (Tables) link:presentationLink link:calculationLink link:definitionLink 100370 - Disclosure - Long Term Debt (Tables) link:presentationLink link:calculationLink link:definitionLink 100380 - Disclosure - Stock-based Compensation (Tables) link:presentationLink link:calculationLink link:definitionLink 100390 - Disclosure - Financial Instruments and Fair Value Measurements (Tables) link:presentationLink link:calculationLink link:definitionLink 100400 - Disclosure - Restructuring Activities (Tables) link:presentationLink link:calculationLink link:definitionLink 100410 - Disclosure - Segment Information (Tables) link:presentationLink link:calculationLink link:definitionLink 100420 - Disclosure - Net Loss Per Share (Tables) link:presentationLink link:calculationLink link:definitionLink 100430 - Disclosure - Description of Business and Basis of Presentation - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 100440 - Disclosure - Summary of Significant Accounting Policies - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 100450 - Disclosure - Revenue Recognition - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 100460 - Disclosure - Variable Interest Entities and Securitizations - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 100470 - Disclosure - Variable Interest Entities and Securitizations - Summary of Total Assets and Total Liabilities Associated With Variable Interests in Consolidated VIEs (Details) link:presentationLink link:calculationLink link:definitionLink 100480 - Disclosure - Variable Interest Entities and Securitizations - Summary of Unconsolidated Variable Interest Entity (Details) link:presentationLink link:calculationLink link:definitionLink 100490 - Disclosure - Acquisition - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 100500 - Disclosure - Acquisition - Summary of Fair Value of Identified Assets Acquired and Liabilities Assumed (Details) link:presentationLink link:calculationLink link:definitionLink 100510 - Disclosure - Acquisition - Summary of Final Identifiable Intangible Assets Acquired and their Estimated Weighted Average Useful (Details) link:presentationLink link:calculationLink link:definitionLink 100520 - Disclosure - Acquisition - Summary of Pro Forma Information (Details) link:presentationLink link:calculationLink link:definitionLink 100530 - Disclosure - Acquisition - Summary of Fair Value of Consideration Transferred (Details) link:presentationLink link:calculationLink link:definitionLink 100540 - Disclosure - Acquisition - Summary of Fair Value of Consideration Transferred (Parenthetical) (Details) link:presentationLink link:calculationLink link:definitionLink 100550 - Disclosure - Inventory - Schedule of Inventory (Details) link:presentationLink link:calculationLink link:definitionLink 100560 - Disclosure - Inventory - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 100570 - Disclosure - Property and Equipment, Net - Schedule of Property and Equipment, Net (Details) link:presentationLink link:calculationLink link:definitionLink 100580 - Disclosure - Property and Equipment, Net - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 100590 - Disclosure - Goodwill and Intangible Assets - Summary of Activity in Carrying Value of Goodwill by Reporting Unit (Details) link:presentationLink link:calculationLink link:definitionLink 100600 - Disclosure - Goodwill and Intangible Assets - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 100610 - Disclosure - Goodwill and Intangible Assets - Schedule of Intangible Assets, Net (Details) link:presentationLink link:calculationLink link:definitionLink 100620 - Disclosure - Goodwill and Intangible Assets - Schedule of Estimated Amortization Expense for Intangible Assets (Details) link:presentationLink link:calculationLink link:definitionLink 100630 - Disclosure - Accrued Expenses and Other Current Liabilities - Schedule of Accrued Expenses (Details) link:presentationLink link:calculationLink link:definitionLink 100640 - Disclosure - Accrued Expenses and Other Current Liabilities - Other Current Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 100650 - Disclosure - Vehicle Floorplan Facility - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 100660 - Disclosure - Warehouse Credit Facilities of Consolidated VIEs - Schedule of Terms of the Warehouse Credit Facilities (Details) link:presentationLink link:calculationLink link:definitionLink 100670 - Disclosure - Long Term Debt - Schedule of Debt Instruments (Details) link:presentationLink link:calculationLink link:definitionLink 100680 - Disclosure - Long Term Debt - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 100690 - Disclosure - Long Term Debt - Schedule of Securitization Debt of Consolidated VIEs (Details) link:presentationLink link:calculationLink link:definitionLink 100700 - Disclosure - Long Term Debt - Schedule of Aggregate Principal Balance and Fair Value of Finance Receivables Pledged to Securitization Debt (Details) link:presentationLink link:calculationLink link:definitionLink 100710 - Disclosure - Stockholders' Equity - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 100720 - Disclosure - Stock-based Compensation - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 100730 - Disclosure - Stock-based Compensation - Summary of Weighted Average Assumptions Used in Calculation of Fair Value Using Black-Scholes Option (Details) link:presentationLink link:calculationLink link:definitionLink 100740 - Disclosure - Financial Instruments and Fair Value Measurements - Schedule of Financial Assets and Liabilities Measured at Fair Value on Recurring Basis (Details) link:presentationLink link:calculationLink link:definitionLink 100750 - 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 100760 - Disclosure - Financial Instruments and Fair Value Measurements - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 100770 - 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 100780 - 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 100790 - 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 100800 - 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 100810 - Disclosure - Restructuring Activities - Components of Restructuring Charges (Details) link:presentationLink link:calculationLink link:definitionLink 100820 - Disclosure - Restructuring Activities - Components of Restructuring Charges (Details) (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 100830 - Disclosure - Restructuring Activities - Reconciliation of Beginning and Ending Restructuring Liability (Details) link:presentationLink link:calculationLink link:definitionLink 100840 - Disclosure - Restructuring Activities - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 100850 - Disclosure - Segment Information - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 100860 - Disclosure - Segment Information - Summary of Reportable Segments (Details) link:presentationLink link:calculationLink link:definitionLink 100870 - 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 100880 - Disclosure - Income Taxes - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 100890 - Disclosure - Net Loss Per Share - Summary of Computation of Basic and Diluted Net Loss Per Share (Details) link:presentationLink link:calculationLink link:definitionLink 100900 - Disclosure - Net Loss Per Share - Summary of Calculation of Diluted Shares Outstanding (Details) link:presentationLink link:calculationLink link:definitionLink 100910 - Disclosure - Subsequent Events - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink