RELATED PARTY TRANSACTIONS AND FEES (Details 2) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Related party receivables [Roll Forward]
Related party receivable at beginning	$ 28,147
Advisory fees	(10,918)	$ (9,775)	$ (8,943)
Net income fee	(257)	(492)	(3,669)
Related party receivable at end	24,672	28,147
Pillar Income Asset Management, Inc [Member]
Related party receivables [Roll Forward]
Related party receivable at beginning	28,147
Cash transfers	31,670
Advisory fees	(10,918)
Net income fee	(257)
Cost reimbursements	(3,826)	(3,675)	$ (3,449)
Interest income	1,144
Notes receivable purchased	(5,356)
Fees and commissions	(1,551)
Expenses paid by Advisor	(8,630)
Financing (mortgage payments)	5,025
Sales/purchases transactions	(10,776)
Related party receivable at end	$ 24,672	$ 28,147