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Statement - CONDENSED CONSOLIDATED STATEMENTS OF (LOSS) INCOME link:presentationLink link:calculationLink link:definitionLink 2107100 - Disclosure - DEBT link:presentationLink link:calculationLink link:definitionLink 2407404 - Disclosure - DEBT - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 2407405 - Disclosure - DEBT - Schedule of Maturities for Outstanding Debt (Details) link:presentationLink link:calculationLink link:definitionLink 2407402 - Disclosure - DEBT - Secured Debt (Details) link:presentationLink link:calculationLink link:definitionLink 2407403 - Disclosure - DEBT - Senior Unsecured Notes (Details) link:presentationLink link:calculationLink link:definitionLink 2307301 - Disclosure - DEBT (Tables) link:presentationLink link:calculationLink link:definitionLink 2108100 - Disclosure - DERIVATIVE AND HEDGING INSTRUMENTS link:presentationLink link:calculationLink link:definitionLink 2408404 - Disclosure - DERIVATIVE AND HEDGING INSTRUMENTS - Derivative and Financial Instruments Designated as Hedging Instruments (Details) link:presentationLink link:calculationLink link:definitionLink 2408405 - Disclosure - DERIVATIVE AND HEDGING INSTRUMENTS - Effect of Derivative Financial Instruments on the Condensed Consolidated Statements of Income and Condensed Consolidated Statements of Equity (Details) link:presentationLink link:calculationLink link:definitionLink 2408406 - Disclosure - DERIVATIVE AND HEDGING INSTRUMENTS - Gross Presentation, Effects of Offsetting, and Net Presentation of Derivatives (Details) link:presentationLink link:calculationLink link:definitionLink 2408402 - Disclosure - DERIVATIVE AND HEDGING INSTRUMENTS - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 2408403 - Disclosure - DERIVATIVE AND HEDGING INSTRUMENTS - Notional Amount of Derivatives Instruments (Details) link:presentationLink link:calculationLink link:definitionLink 2308301 - Disclosure - DERIVATIVE AND HEDGING INSTRUMENTS (Tables) link:presentationLink link:calculationLink link:definitionLink 0001000 - Document - DOCUMENT AND ENTITY INFORMATION link:presentationLink link:calculationLink link:definitionLink 2111100 - Disclosure - EARNINGS PER COMMON SHARE link:presentationLink link:calculationLink link:definitionLink 2411402 - Disclosure - EARNINGS PER COMMON SHARE - Computation of Basic and Diluted Earnings Per Share (Details) link:presentationLink link:calculationLink link:definitionLink 2411403 - Disclosure - EARNINGS PER COMMON SHARE - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 2311301 - Disclosure - EARNINGS PER COMMON SHARE (Tables) link:presentationLink link:calculationLink link:definitionLink 2110100 - Disclosure - EQUITY link:presentationLink link:calculationLink link:definitionLink 2410405 - Disclosure - EQUITY - Accumulated Other Comprehensive (Loss) Income (Details) link:presentationLink link:calculationLink link:definitionLink 2410404 - Disclosure - EQUITY - Cash Dividends on Common Stock Declared and Paid (Details) link:presentationLink link:calculationLink link:definitionLink 2410403 - 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Disclosure - IMPAIRMENT OF REAL ESTATE, ASSETS HELD FOR SALE AND DISPOSITIONS link:presentationLink link:calculationLink link:definitionLink 2405401 - Disclosure - IMPAIRMENT OF REAL ESTATE, ASSETS HELD FOR SALE AND DISPOSITIONS (Details) link:presentationLink link:calculationLink link:definitionLink 2106100 - Disclosure - LOANS RECEIVABLE AND OTHER INVESTMENTS link:presentationLink link:calculationLink link:definitionLink 2406404 - Disclosure - LOANS RECEIVABLE AND OTHER INVESTMENTS - Changes in the Accretable Yield (Details) link:presentationLink link:calculationLink link:definitionLink 2406402 - Disclosure - LOANS RECEIVABLE AND OTHER INVESTMENTS - Composition of Loans Receivable and Other Investments (Details) link:presentationLink link:calculationLink link:definitionLink 2406403 - Disclosure - LOANS RECEIVABLE AND OTHER INVESTMENTS - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 2306301 - Disclosure - LOANS RECEIVABLE AND OTHER INVESTMENTS (Tables) link:presentationLink link:calculationLink link:definitionLink 2104100 - Disclosure - REAL ESTATE PROPERTIES HELD FOR INVESTMENT link:presentationLink link:calculationLink link:definitionLink 2404404 - Disclosure - REAL ESTATE PROPERTIES HELD FOR INVESTMENT - Future Minimum Rental Payments Receivable for Properties Held for Investment Under Non-Cancelable Operating Leases (Details) link:presentationLink link:calculationLink link:definitionLink 2404403 - Disclosure - REAL ESTATE PROPERTIES HELD FOR INVESTMENT - Operating Leases (Details) link:presentationLink link:calculationLink link:definitionLink 2404402 - Disclosure - REAL ESTATE PROPERTIES HELD FOR INVESTMENT - Real Estate Properties Held for Investment (Details) link:presentationLink link:calculationLink link:definitionLink 2404405 - Disclosure - REAL ESTATE PROPERTIES HELD FOR INVESTMENT - Senior Housing - Managed Communities (Details) link:presentationLink link:calculationLink link:definitionLink 2304301 - Disclosure - REAL ESTATE PROPERTIES HELD FOR INVESTMENT (Tables) link:presentationLink link:calculationLink link:definitionLink 2103100 - Disclosure - RECENT REAL ESTATE ACQUISITIONS link:presentationLink link:calculationLink link:definitionLink 2403402 - Disclosure - RECENT REAL ESTATE ACQUISITIONS - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 2403403 - Disclosure - RECENT REAL ESTATE ACQUISITIONS - Purchase Price Allocation for Recent Real Estate Acquisitions (Details) link:presentationLink link:calculationLink link:definitionLink 2303301 - Disclosure - RECENT REAL ESTATE ACQUISITIONS (Tables) link:presentationLink link:calculationLink link:definitionLink 2116100 - Disclosure - SUBSEQUENT EVENTS link:presentationLink link:calculationLink link:definitionLink 2416401 - Disclosure - SUBSEQUENT EVENTS (Details) link:presentationLink link:calculationLink link:definitionLink 2112100 - Disclosure - SUMMARIZED CONDENSED CONSOLIDATING INFORMATION link:presentationLink link:calculationLink link:definitionLink 2412402 - Disclosure - SUMMARIZED CONDENSED CONSOLIDATING INFORMATION - Condensed Consolidating Balance Sheet (Details) link:presentationLink link:calculationLink link:definitionLink 2412405 - Disclosure - SUMMARIZED CONDENSED CONSOLIDATING INFORMATION - Condensed Consolidating Statement of Cash Flows (Details) link:presentationLink link:calculationLink link:definitionLink 2412404 - Disclosure - SUMMARIZED CONDENSED CONSOLIDATING INFORMATION - Condensed Consolidating Statement of Comprehensive (Loss) Income (Details) link:presentationLink link:calculationLink link:definitionLink 2412403 - Disclosure - SUMMARIZED CONDENSED CONSOLIDATING INFORMATION - Condensed Consolidating Statement of Income (Details) link:presentationLink link:calculationLink link:definitionLink 2312301 - Disclosure - SUMMARIZED CONDENSED CONSOLIDATING INFORMATION (Tables) link:presentationLink link:calculationLink link:definitionLink 2102100 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES link:presentationLink link:calculationLink link:definitionLink 2402403 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Investment in Unconsolidated Joint Venture (Details) link:presentationLink link:calculationLink link:definitionLink 2402404 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Net Investment in Direct Financing Lease (Details) link:presentationLink link:calculationLink link:definitionLink 2202201 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies) link:presentationLink link:calculationLink link:definitionLink 2402402 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Principles of Consolidation and Basis of Presentation (Details) link:presentationLink link:calculationLink link:definitionLink 2402405 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Recently Issued Accounting Update (Details) link:presentationLink link:calculationLink link:definitionLink