RELATED PARTY TRANSACTIONS AND FEES (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Due from Related Parties [RollForward]
Related party receivable, beginning	$ 111,665
Cash transfers	17,579
Advisory fees	(2,748)	$ (2,305)
Net income fee	(53)	$ (60)
Fees and commissions	(83)
Cost reimbursements	(1,063)
Interest income	1,570
Notes receivable purchased	(5,315)
Expenses paid by Advisor	(2,262)
Sales/purchases transactions	(3,556)
Related party receivable, ending	115,734
Pillar Income Asset Management, Inc [Member]
Due from Related Parties [RollForward]
Related party receivable, beginning
Cash transfers	17,579
Advisory fees	(2,748)
Net income fee	(53)
Fees and commissions	(83)
Cost reimbursements	(1,063)
Notes receivable purchased	(5,315)
Expenses paid by Advisor	(2,262)
Sales/purchases transactions	(3,556)
Related party receivable, ending	2,499
American Realty Investors, Inc [Member]
Due from Related Parties [RollForward]
Related party receivable, beginning	111,665
Interest income	1,570
Related party receivable, ending	$ 113,235