INVESTMENT IN UNCONSOLIDATED JOINT VENTURES - Results from Operations of the Unconsolidated Joint Ventures (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Financial Position
Total assets	$ 154,979	$ 138,298
Total liabilities	108,119	94,964
Partners’/members’ capital	46,860	43,334
Results from Operations
Total revenues	18,482	17,047	$ 18,886
Total expenses	15,291	15,861	15,849
Net income (loss)	$ 3,191	$ 1,186	$ 3,037