RELATED PARTY TRANSACTIONS AND FEES (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Due from Related Parties [RollForward]
Related party receivable, beginning			$ 111,665
Cash transfers			26,046
Advisory fees	$ (2,726)	$ (2,501)	(5,474)	$ (4,806)
Net income fee	(53)	$ (76)	(106)	$ (136)
Fees and commissions			(162)
Cost reimbursements			(2,190)
Interest income			3,262
Notes receivable purchased			(5,315)
Expenses (paid)/received by advisor			6,227
Sales/purchases transactions			(7,772)
Related party receivable, ending	126,181		126,181
Pillar Income Asset Management, Inc [Member]
Due from Related Parties [RollForward]
Cash transfers			26,046
Advisory fees			(5,474)
Net income fee			(106)
Fees and commissions			(162)
Cost reimbursements			(2,190)
Notes receivable purchased			(5,315)
Expenses (paid)/received by advisor			6,227
Sales/purchases transactions			(7,772)
Related party receivable, ending	11,254		11,254
American Realty Investors, Inc [Member]
Due from Related Parties [RollForward]
Related party receivable, beginning			111,665
Interest income			3,262
Related party receivable, ending	$ 114,927		$ 114,927