INVESTMENTS IN JOINT VENTURES AND PARTNERSHIPS - Carrying Amounts of Assets and Liabilities (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Cash and Cash Equivalents
Schedule of Equity Method Investments [Line Items]
Total assets	$ 99,990	$ 85,240
Real Estate and Related Assets
Schedule of Equity Method Investments [Line Items]
Total liabilities	59,920	37,770
Other Assets
Schedule of Equity Method Investments [Line Items]
Net loss	$ (8,550)	$ (2,720)