0000001 - Document - Cover link:presentationLink link:calculationLink link:definitionLink 0000002 - Document - Audit Information link:presentationLink link:calculationLink link:definitionLink 0000003 - Statement - CONSOLIDATED BALANCE SHEETS link:presentationLink link:calculationLink link:definitionLink 0000004 - Statement - CONSOLIDATED BALANCE SHEETS (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 0000005 - Statement - CONSOLIDATED STATEMENTS OF OPERATIONS link:presentationLink link:calculationLink link:definitionLink 0000006 - Statement - CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS link:presentationLink link:calculationLink link:definitionLink 0000007 - Statement - CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS’ EQUITY (DEFICIT) link:presentationLink link:calculationLink link:definitionLink 0000008 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS link:presentationLink link:calculationLink link:definitionLink 0000009 - Disclosure - DESCRIPTION OF BUSINESS AND ACCOUNTING POLICIES link:presentationLink link:calculationLink link:definitionLink 0000010 - Disclosure - REAL ESTATE INVENTORY link:presentationLink link:calculationLink link:definitionLink 0000011 - Disclosure - CASH, CASH EQUIVALENTS, AND INVESTMENTS link:presentationLink link:calculationLink link:definitionLink 0000012 - Disclosure - VARIABLE INTEREST ENTITIES link:presentationLink link:calculationLink link:definitionLink 0000013 - Disclosure - CREDIT FACILITIES AND LONG-TERM DEBT link:presentationLink link:calculationLink link:definitionLink 0000014 - Disclosure - FAIR VALUE DISCLOSURES link:presentationLink link:calculationLink link:definitionLink 0000015 - Disclosure - PROPERTY AND EQUIPMENT link:presentationLink link:calculationLink link:definitionLink 0000016 - Disclosure - LEASES link:presentationLink link:calculationLink link:definitionLink 0000017 - Disclosure - GOODWILL AND INTANGIBLE ASSETS link:presentationLink link:calculationLink link:definitionLink 0000018 - Disclosure - ACCOUNTS PAYABLE AND OTHER ACCRUED LIABILITIES link:presentationLink link:calculationLink link:definitionLink 0000019 - Disclosure - SHAREHOLDERS’ EQUITY link:presentationLink link:calculationLink link:definitionLink 0000020 - Disclosure - SHARE-BASED AWARDS link:presentationLink link:calculationLink link:definitionLink 0000021 - Disclosure - WARRANTS link:presentationLink link:calculationLink link:definitionLink 0000022 - Disclosure - INCOME TAXES link:presentationLink link:calculationLink link:definitionLink 0000023 - Disclosure - NET LOSS PER SHARE link:presentationLink link:calculationLink link:definitionLink 0000024 - Disclosure - COMMITMENTS AND CONTINGENCIES link:presentationLink link:calculationLink link:definitionLink 0000025 - Disclosure - BUSINESS ACQUISTIONS link:presentationLink link:calculationLink link:definitionLink 0000026 - Disclosure - RESTRUCTURING link:presentationLink link:calculationLink link:definitionLink 0000027 - Disclosure - SUBSEQUENT EVENTS link:presentationLink link:calculationLink link:definitionLink 0000028 - Disclosure - CONDENSED FINANCIAL INFORMATION link:presentationLink link:calculationLink link:definitionLink 9954471 - Disclosure - DESCRIPTION OF BUSINESS AND ACCOUNTING POLICIES (Policies) link:presentationLink link:calculationLink link:definitionLink 9954472 - Disclosure - DESCRIPTION OF BUSINESS AND ACCOUNTING POLICIES (Tables) link:presentationLink link:calculationLink link:definitionLink 9954473 - Disclosure - REAL ESTATE INVENTORY (Tables) link:presentationLink link:calculationLink link:definitionLink 9954474 - Disclosure - CASH, CASH EQUIVALENTS, AND INVESTMENTS (Tables) link:presentationLink link:calculationLink link:definitionLink 9954475 - Disclosure - VARIABLE INTEREST ENTITIES (Tables) link:presentationLink link:calculationLink link:definitionLink 9954476 - Disclosure - CREDIT FACILITIES AND LONG-TERM DEBT (Tables) link:presentationLink link:calculationLink link:definitionLink 9954477 - Disclosure - FAIR VALUE DISCLOSURES (Tables) link:presentationLink link:calculationLink link:definitionLink 9954478 - Disclosure - PROPERTY AND EQUIPMENT (Tables) link:presentationLink link:calculationLink link:definitionLink 9954479 - Disclosure - LEASES (Tables) link:presentationLink link:calculationLink link:definitionLink 9954480 - Disclosure - GOODWILL AND INTANGIBLE ASSETS (Tables) link:presentationLink link:calculationLink link:definitionLink 9954481 - Disclosure - ACCOUNTS PAYABLE AND OTHER ACCRUED LIABILITIES (Tables) link:presentationLink link:calculationLink link:definitionLink 9954482 - Disclosure - SHARE-BASED AWARDS (Tables) link:presentationLink link:calculationLink link:definitionLink 9954483 - Disclosure - INCOME TAXES (Tables) link:presentationLink link:calculationLink link:definitionLink 9954484 - Disclosure - NET LOSS PER SHARE (Tables) link:presentationLink link:calculationLink link:definitionLink 9954485 - Disclosure - RESTRUCTURING (Tables) link:presentationLink link:calculationLink link:definitionLink 9954486 - Disclosure - CONDENSED FINANCIAL INFORMATION (Tables) link:presentationLink link:calculationLink link:definitionLink 9954487 - Disclosure - DESCRIPTION OF BUSINESS AND ACCOUNTING POLICIES - Convertible Senior Notes (Details) link:presentationLink link:calculationLink link:definitionLink 9954488 - Disclosure - DESCRIPTION OF BUSINESS AND ACCOUNTING POLICIES - Escrow Receivable (Details) link:presentationLink link:calculationLink link:definitionLink 9954489 - Disclosure - DESCRIPTION OF BUSINESS AND ACCOUNTING POLICIES - Estimated Useful Lives of Property and Equipment (Details) link:presentationLink link:calculationLink link:definitionLink 9954490 - Disclosure - DESCRIPTION OF BUSINESS AND ACCOUNTING POLICIES - Intangible Assets (Details) link:presentationLink link:calculationLink link:definitionLink 9954491 - Disclosure - DESCRIPTION OF BUSINESS AND ACCOUNTING POLICIES - Impairment of Long-Lived Assets (Details) link:presentationLink link:calculationLink link:definitionLink 9954492 - Disclosure - DESCRIPTION OF BUSINESS AND ACCOUNTING POLICIES - Sales, Marketing and Operations Expense (Details) link:presentationLink link:calculationLink link:definitionLink 9954493 - Disclosure - DESCRIPTION OF BUSINESS AND ACCOUNTING POLICIES - Stock-Based Compensation (Details) link:presentationLink link:calculationLink link:definitionLink 9954494 - Disclosure - DESCRIPTION OF BUSINESS AND ACCOUNTING POLICIES - Public and Sponsor Warrants (Details) link:presentationLink link:calculationLink link:definitionLink 9954495 - Disclosure - REAL ESTATE INVENTORY - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9954496 - Disclosure - REAL ESTATE INVENTORY - Schedule of Real Estate Inventory (Details) link:presentationLink link:calculationLink link:definitionLink 9954497 - Disclosure - CASH, CASH EQUIVALENTS, AND INVESTMENTS - Amortized Cost (Details) link:presentationLink link:calculationLink link:definitionLink 9954498 - Disclosure - CASH, CASH EQUIVALENTS, AND INVESTMENTS - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9954499 - Disclosure - CASH, CASH EQUIVALENTS, AND INVESTMENTS - Summary of Debt Securities (Details) link:presentationLink link:calculationLink link:definitionLink 9954500 - Disclosure - CASH, CASH EQUIVALENTS, AND INVESTMENTS - Contractual Maturities of Debt Securities (Details) link:presentationLink link:calculationLink link:definitionLink 9954501 - Disclosure - CASH, CASH EQUIVALENTS, AND INVESTMENTS - Non-marketable Equity Securities (Details) link:presentationLink link:calculationLink link:definitionLink 9954502 - Disclosure - VARIABLE INTEREST ENTITIES (Details) link:presentationLink link:calculationLink link:definitionLink 9954503 - Disclosure - CREDIT FACILITIES AND LONG-TERM DEBT - Summary of Credit Facilities and Long-Term Debt (Details) link:presentationLink link:calculationLink link:definitionLink 9954504 - Disclosure - CREDIT FACILITIES AND LONG-TERM DEBT - Non-Recourse Asset Backed Debt (Details) link:presentationLink link:calculationLink link:definitionLink 9954505 - Disclosure - CREDIT FACILITIES AND LONG-TERM DEBT - Asset-backed Senior Revolving Credit Facilities (Details) link:presentationLink link:calculationLink link:definitionLink 9954506 - Disclosure - CREDIT FACILITIES AND LONG-TERM DEBT - Asset-backed Senior Term Debt Facilities (Details) link:presentationLink link:calculationLink link:definitionLink 9954507 - Disclosure - CREDIT FACILITIES AND LONG-TERM DEBT - Asset-backed Mezzanine Term Debt Facilities (Details) link:presentationLink link:calculationLink link:definitionLink 9954508 - Disclosure - CREDIT FACILITIES AND LONG-TERM DEBT - Convertible Senior Notes Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9954509 - Disclosure - CREDIT FACILITIES AND LONG-TERM DEBT - Schedule of Convertible Senior Notes (Details) link:presentationLink link:calculationLink link:definitionLink 9954510 - Disclosure - CREDIT FACILITIES AND LONG-TERM DEBT - Capped Calls (Details) link:presentationLink link:calculationLink link:definitionLink 9954511 - Disclosure - FAIR VALUE DISCLOSURES - Fair Value, Assets and Liabilities Measured on Recurring Basis (Details) link:presentationLink link:calculationLink link:definitionLink 9954512 - Disclosure - FAIR VALUE DISCLOSURES - Fair Value Disclosure of Assets and Liabilities Not Measured at Fair Value (Details) link:presentationLink link:calculationLink link:definitionLink 9954513 - Disclosure - PROPERTY AND EQUIPMENT (Details) link:presentationLink link:calculationLink link:definitionLink 9954514 - Disclosure - LEASES - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9954515 - Disclosure - LEASES - Lease Cost (Details) link:presentationLink link:calculationLink link:definitionLink 9954516 - Disclosure - LEASES - Supplemental Balance Sheet Information (Details) link:presentationLink link:calculationLink link:definitionLink 9954517 - Disclosure - LEASES - Maturity of Operating Lease Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 9954517 - Disclosure - LEASES - Maturity of Operating Lease Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 9954518 - Disclosure - GOODWILL AND INTANGIBLE ASSETS - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9954519 - Disclosure - GOODWILL AND INTANGIBLE ASSETS - Intangible Assets Subject to Amortization (Details) link:presentationLink link:calculationLink link:definitionLink 9954520 - Disclosure - GOODWILL AND INTANGIBLE ASSETS - Expected Amortization of Intangible Assets (Details) link:presentationLink link:calculationLink link:definitionLink 9954521 - Disclosure - ACCOUNTS PAYABLE AND OTHER ACCRUED LIABILITIES (Details) link:presentationLink link:calculationLink link:definitionLink 9954522 - Disclosure - SHAREHOLDERS’ EQUITY (Details) link:presentationLink link:calculationLink link:definitionLink 9954523 - Disclosure - SHARE-BASED AWARDS - 2014 Stock Plan (Details) link:presentationLink link:calculationLink link:definitionLink 9954524 - Disclosure - SHARE-BASED AWARDS - 2020 Equity Incentive Plans (Details) link:presentationLink link:calculationLink link:definitionLink 9954525 - Disclosure - SHARE-BASED AWARDS - 2022 Inducement Plan (Details) link:presentationLink link:calculationLink link:definitionLink 9954526 - Disclosure - SHARE-BASED AWARDS - Stock Options and RSUs (Details) link:presentationLink link:calculationLink link:definitionLink 9954527 - Disclosure - SHARE-BASED AWARDS - Stock Option Activity (Details) link:presentationLink link:calculationLink link:definitionLink 9954528 - Disclosure - SHARE-BASED AWARDS - RSU Activity (Details) link:presentationLink link:calculationLink link:definitionLink 9954529 - Disclosure - SHARE-BASED AWARDS - Restricted Shares (Details) link:presentationLink link:calculationLink link:definitionLink 9954530 - Disclosure - SHARE-BASED AWARDS - ESPP (Details) link:presentationLink link:calculationLink link:definitionLink 9954531 - Disclosure - SHARE-BASED AWARDS - Fair Value Assumptions (Details) link:presentationLink link:calculationLink link:definitionLink 9954532 - Disclosure - SHARE-BASED AWARDS - Expense and Capitalized (Details) link:presentationLink link:calculationLink link:definitionLink 9954533 - Disclosure - SHARE-BASED AWARDS - Stock-Based Compensation Expense (Details) link:presentationLink link:calculationLink link:definitionLink 9954534 - Disclosure - SHARE-BASED AWARDS - Valuation of Options (Details) link:presentationLink link:calculationLink link:definitionLink 9954535 - Disclosure - WARRANTS - Public and Sponsor Warrants (Details) link:presentationLink link:calculationLink link:definitionLink 9954536 - Disclosure - WARRANTS - Warrants to Purchase Series D Preferred Stock (Details) link:presentationLink link:calculationLink link:definitionLink 9954537 - Disclosure - WARRANTS - Marketing Warrants (Details) link:presentationLink link:calculationLink link:definitionLink 9954538 - Disclosure - INCOME TAXES - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9954539 - Disclosure - INCOME TAXES - Provision for Income Taxes (Details) link:presentationLink link:calculationLink link:definitionLink 9954540 - Disclosure - INCOME TAXES - Effective Tax Rate (Details) link:presentationLink link:calculationLink link:definitionLink 9954541 - Disclosure - INCOME TAXES - Deferred Taxes (Details) link:presentationLink link:calculationLink link:definitionLink 9954542 - Disclosure - INCOME TAXES - Unrecognized Tax Benefits (Details) link:presentationLink link:calculationLink link:definitionLink 9954543 - Disclosure - NET LOSS PER SHARE - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9954544 - Disclosure - NET LOSS PER SHARE - Earnings Per Share, Basic and Diluted (Details) link:presentationLink link:calculationLink link:definitionLink 9954545 - Disclosure - NET LOSS PER SHARE - Antidilutive Securities Excluded from Computation of Earnings Per Share (Details) link:presentationLink link:calculationLink link:definitionLink 9954546 - Disclosure - BUSINESS ACQUISTIONS (Details) link:presentationLink link:calculationLink link:definitionLink 9954547 - Disclosure - RESTRUCTURING - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9954548 - Disclosure - RESTRUCTURING - Summary of Activity in Restructuring Reserves (Details) link:presentationLink link:calculationLink link:definitionLink 9954549 - Disclosure - CONDENSED FINANCIAL INFORMATION - CONDENSED BALANCE SHEETS (Details) link:presentationLink link:calculationLink link:definitionLink 9954550 - Disclosure - CONDENSED FINANCIAL INFORMATION - CONDENSED STATEMENTS OF OPERATIONS (Details) link:presentationLink link:calculationLink link:definitionLink 9954551 - Disclosure - CONDENSED FINANCIAL INFORMATION - CONDENSED STATEMENTS OF CASH FLOWS (Details) link:presentationLink link:calculationLink link:definitionLink