RELATED PARTY TRANSACTIONS AND FEES (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Fees:
Advisory	$ 9,490	$ 8,368	$ 7,373
Net income	257	187	3,669
Other Expense:
Cost reimbursements	(3,228)
Pillar Income Asset Management, Inc [Member]
Fees:
Advisory	9,490	8,368	7,373
Mortgage brokerage and equity refinancing	775	1,524	1,152
Net income	257	187	3,669
Property acquisition		921	145
Total fees	10,522	11,000	12,339
Other Expense:
Cost reimbursements	3,228	2,925	2,622
Interest paid (received)	(4,216)	(3,352)	(2,795)
Total other expense	(988)	(427)	(173)
Revenue:
Rental	$ 708	$ 726	$ 701