DISCONTINUED OPERATIONS - Revenue and Expenses (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Discontinued Operations and Disposal Groups [Abstract]
Revenue - Interest and other income			$ 6,389
Expenses:
Interest expense			1,944
Fees to related party			550
General and administrative			42
Total expenses			2,536
Income from operations of assets held for sale	$ 0	$ 0	3,853
Gain on disposition of assets held for sale	0	0	0
NET INCOME FROM DISCONTINUED OPERATIONS	$ 0	$ 0	$ 3,853