INVESTMENT IN JOINT VENTURES AND PARTNERSHIPS INVESTMENT IN JOINT VENTURES AND PARTNERSHIPS - Carrying Amounts of Assets and Liabilities (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Schedule of Equity Method Investments [Line Items]
Total assets	$ 121,983		$ 139,608
Total liabilities	52,219		63,814
VIE, Primary Beneficiary
Schedule of Equity Method Investments [Line Items]
Total assets	100,490		99,990
Total liabilities	61,930		$ 59,920
Other Assets
Schedule of Equity Method Investments [Line Items]
Net loss	$ (3,077)	$ (3,150)