SEGMENT DISCLOSURE (Details 2) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Segment disclosure
Interest	$ (5,551)	$ (5,053)	$ (16,540)	$ (13,655)
General and administrative	(1,850)	(1,894)	(6,397)	(5,025)
Asset management and other fees to related parties	(7,290)	(6,476)	(21,955)	(18,551)
Transaction costs	(237)	(46)	(1,038)	(546)
Depreciation and amortization	(17,873)	(17,677)	(54,567)	(51,592)
Bargain purchase gain				4,918
INCOME FROM CONTINUING OPERATIONS	233	975	1,001	15,429
Income from operations of assets held for sale	5,008	3,305	11,954	8,582
INCOME FROM DISCONTINUED OPERATIONS	5,008	3,305	11,954	8,582
NET INCOME	5,241	4,280	12,955	24,011
Net loss (income) attributable to noncontrolling interests	1	5	(5)	(108)
NET INCOME ATTRIBUTABLE TO STOCKHOLDERS	5,242	4,285	12,950	23,903
Reportable segments
Segment disclosure
Total segment net operating income	32,458	31,094	100,244	98,309
Reconciliation
Segment disclosure
Interest	(5,551)	(5,053)	(16,540)	(13,655)
General and administrative	(1,274)	(867)	(5,143)	(3,454)
Asset management and other fees to related parties	(7,290)	(6,476)	(21,955)	(18,551)
Transaction costs	(237)	(46)	(1,038)	(546)
Depreciation and amortization	$ (17,873)	$ (17,677)	$ (54,567)	$ (51,592)