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Disclosure - INTANGIBLE ASSETS AND LIABILITIES - Net Amortization (Details) link:presentationLink link:calculationLink link:definitionLink 99940806 - Disclosure - INTANGIBLE ASSETS AND LIABILITIES - Future Amortization Expense (Details) link:presentationLink link:calculationLink link:definitionLink 99940807 - Disclosure - INTANGIBLE ASSETS AND LIABILITIES - Future Accretion to Income Property Revenue (Details) link:presentationLink link:calculationLink link:definitionLink 99940808 - Disclosure - INTANGIBLE ASSETS AND LIABILITIES - Net Future Amortization of Intangible Assets and Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 99940809 - Disclosure - INTANGIBLE ASSETS AND LIABILITIES - Estimated Future Amortization Expense (Income) Related to Net Intangible Assets and Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 99940901 - Disclosure - PROVISION FOR IMPAIRMENT AND ADJUSTMENT TO CECL RESERVE (Details) link:presentationLink link:calculationLink link:definitionLink 99941001 - 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Disclosure - INCOME PROPERTIES link:presentationLink link:calculationLink link:definitionLink 995210601 - Disclosure - INVESTMENT SECURITIES link:presentationLink link:calculationLink link:definitionLink 995210701 - Disclosure - FAIR VALUE OF FINANCIAL INSTRUMENTS link:presentationLink link:calculationLink link:definitionLink 995210801 - Disclosure - INTANGIBLE ASSETS AND LIABILITIES link:presentationLink link:calculationLink link:definitionLink 995210901 - Disclosure - PROVISION FOR IMPAIRMENT AND ADJUSTMENT TO CECL RESERVE link:presentationLink link:calculationLink link:definitionLink 995211001 - Disclosure - OTHER ASSETS link:presentationLink link:calculationLink link:definitionLink 995211101 - Disclosure - EQUITY link:presentationLink link:calculationLink link:definitionLink 995211201 - Disclosure - COMMON STOCK AND EARNINGS PER SHARE link:presentationLink link:calculationLink link:definitionLink 995211401 - Disclosure - LONG-TERM DEBT link:presentationLink link:calculationLink link:definitionLink 995211501 - Disclosure - INTEREST RATE SWAPS link:presentationLink link:calculationLink link:definitionLink 995211601 - Disclosure - ACCRUED AND OTHER LIABILITIES link:presentationLink link:calculationLink link:definitionLink 995211701 - Disclosure - DEFERRED REVENUE link:presentationLink link:calculationLink link:definitionLink 995211801 - Disclosure - STOCK-BASED COMPENSATION link:presentationLink link:calculationLink link:definitionLink 995211901 - Disclosure - INCOME TAXES link:presentationLink link:calculationLink link:definitionLink 995212001 - Disclosure - COMMITMENTS AND CONTINGENCIES link:presentationLink link:calculationLink link:definitionLink 995212101 - Disclosure - BUSINESS SEGMENT DATA link:presentationLink link:calculationLink link:definitionLink 99920202 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies) link:presentationLink link:calculationLink link:definitionLink 99930303 - Disclosure - INCOME PROPERTIES (Tables) link:presentationLink link:calculationLink link:definitionLink 99930503 - Disclosure - MANAGEMENT SERVICES BUSINESS (Tables) link:presentationLink link:calculationLink link:definitionLink 99930603 - Disclosure - INVESTMENT SECURITIES (Tables) link:presentationLink link:calculationLink link:definitionLink 99930703 - Disclosure - FAIR VALUE OF FINANCIAL INSTRUMENTS (Tables) link:presentationLink link:calculationLink link:definitionLink 99930803 - Disclosure - INTANGIBLE ASSETS AND LIABILITIES (Tables) link:presentationLink link:calculationLink link:definitionLink 99931003 - Disclosure - OTHER ASSETS (Tables) link:presentationLink link:calculationLink link:definitionLink 99931203 - Disclosure - COMMON STOCK AND EARNINGS PER SHARE (Tables) link:presentationLink link:calculationLink link:definitionLink 99931403 - Disclosure - LONG-TERM DEBT (Tables) link:presentationLink link:calculationLink link:definitionLink 99931603 - Disclosure - ACCRUED AND OTHER LIABILITIES (Tables) link:presentationLink link:calculationLink link:definitionLink 99931703 - Disclosure - DEFERRED REVENUE (Tables) link:presentationLink link:calculationLink link:definitionLink 99931803 - Disclosure - STOCK-BASED COMPENSATION (Tables) link:presentationLink link:calculationLink link:definitionLink 99932103 - Disclosure - BUSINESS SEGMENT DATA (Tables) link:presentationLink link:calculationLink link:definitionLink 99940103 - Disclosure - DESCRIPTION OF BUSINESS - Investment Securities (Details) link:presentationLink link:calculationLink link:definitionLink 99940203 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Restricted Cash (Details) link:presentationLink link:calculationLink link:definitionLink 99940204 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Accounts Receivable (Details) link:presentationLink link:calculationLink link:definitionLink 99940206 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Concentration of Credit Risk (Details) link:presentationLink link:calculationLink link:definitionLink 99940207 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Recently Issued Accounting Standards (Details) link:presentationLink link:calculationLink link:definitionLink 99940303 - Disclosure - INCOME PROPERTIES - Acquisitions - General Information (Details) link:presentationLink link:calculationLink link:definitionLink 99940305 - Disclosure - INCOME PROPERTIES - Acquisitions - Allocation (Details) link:presentationLink link:calculationLink link:definitionLink 99940306 - Disclosure - INCOME PROPERTIES - Dispositions (Details) link:presentationLink link:calculationLink link:definitionLink 99940401 - Disclosure - COMMERCIAL LOANS AND INVESTMENTS - General Information (Details) link:presentationLink link:calculationLink link:definitionLink 99940403 - Disclosure - COMMERCIAL LOANS AND INVESTMENTS - Summary - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 99940501 - Disclosure - MANAGEMENT SERVICES BUSINESS - Related Party Management - General Information (Details) link:presentationLink link:calculationLink link:definitionLink 99940502 - Disclosure - MANAGEMENT SERVICES BUSINESS - Related Party Management - Fees Earned (Details) link:presentationLink link:calculationLink link:definitionLink 99940503 - Disclosure - MANAGEMENT SERVICES BUSINESS - Related Party Management - Dividend Income (Details) link:presentationLink link:calculationLink link:definitionLink 99940504 - Disclosure - MANAGEMENT SERVICES BUSINESS - Summary of Amounts Due (Details) link:presentationLink link:calculationLink link:definitionLink 99940505 - Disclosure - MANAGEMENT SERVICES BUSINESS - Properties (Details) link:presentationLink link:calculationLink link:definitionLink 99940506 - Disclosure - MANAGEMENT SERVICES BUSINESS - Investment Securities (Details) link:presentationLink link:calculationLink link:definitionLink 99940507 - Disclosure - MANAGEMENT SERVICES BUSINESS - Management Agreements (Details) link:presentationLink link:calculationLink link:definitionLink 99940601 - Disclosure - INVESTMENT SECURITIES - General Information (Details) link:presentationLink link:calculationLink link:definitionLink 99940701 - Disclosure - FAIR VALUE OF FINANCIAL INSTRUMENTS - Carrying Value and Estimated Fair Value (Details) link:presentationLink link:calculationLink link:definitionLink 99940702 - Disclosure - FAIR VALUE OF FINANCIAL INSTRUMENTS - Measured on a Recurring Basis (Details) link:presentationLink link:calculationLink link:definitionLink 99941101 - Disclosure - EQUITY - Shelf Registration (Details) link:presentationLink link:calculationLink link:definitionLink 99941103 - Disclosure - EQUITY - Preferred Stock (Details) link:presentationLink link:calculationLink link:definitionLink 99941202 - Disclosure - COMMON STOCK AND EARNINGS PER SHARE - Dilutive Securities (Details) link:presentationLink link:calculationLink link:definitionLink 99941301 - Disclosure - SHARE REPURCHASES (Details) link:presentationLink link:calculationLink link:definitionLink 99941401 - Disclosure - LONG-TERM DEBT - Outstanding Indebtedness (Details) link:presentationLink link:calculationLink link:definitionLink 99941402 - Disclosure - LONG-TERM DEBT - Interest Rate Swaps (Details) link:presentationLink link:calculationLink link:definitionLink 99941403 - Disclosure - LONG-TERM DEBT - General Information (Details) link:presentationLink link:calculationLink link:definitionLink 99941404 - 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INCOME TAXES (Details) link:presentationLink link:calculationLink link:definitionLink 99942002 - Disclosure - COMMITMENTS AND CONTINGENCIES - Construction Loans (Details) link:presentationLink link:calculationLink link:definitionLink 99942102 - Disclosure - BUSINESS SEGMENT DATA - Concentrations (Details) link:presentationLink link:calculationLink link:definitionLink 99942105 - Disclosure - BUSINESS SEGMENT DATA - Capital Expenditures (Details) link:presentationLink link:calculationLink link:definitionLink 99942106 - Disclosure - BUSINESS SEGMENT DATA - Identifiable Assets (Details) link:presentationLink link:calculationLink link:definitionLink 99942201 - Disclosure - SUBSEQUENT EVENTS (Details) link:presentationLink link:calculationLink link:definitionLink 995210101 - Disclosure - DESCRIPTION OF BUSINESS link:presentationLink link:calculationLink link:definitionLink 995210401 - Disclosure - COMMERCIAL LOANS AND INVESTMENTS link:presentationLink link:calculationLink link:definitionLink 995210501 - 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Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Segment Reporting (Details) link:presentationLink link:calculationLink link:definitionLink 99940202 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Real Estate (Details) link:presentationLink link:calculationLink link:definitionLink 99940205 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Income Taxes (Details) link:presentationLink link:calculationLink link:definitionLink 99940805 - Disclosure - INTANGIBLE ASSETS AND LIABILITIES - Lease Termination Activity (Details) link:presentationLink link:calculationLink link:definitionLink 99940810 - Disclosure - INTANGIBLE ASSETS AND LIABILITIES - Weighted Average Amortization Period (Details) link:presentationLink link:calculationLink link:definitionLink 99941002 - Disclosure - OTHER ASSETS - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 99941104 - Disclosure - EQUITY - Dividends (Details) link:presentationLink link:calculationLink link:definitionLink 99941408 - 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