SEGMENT DISCLOSURE (Details 2) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Segment disclosure
Interest	$ (5,586)	$ (4,565)	$ (10,989)	$ (8,602)
General and administrative	(1,955)	(2,357)	(4,547)	(3,131)
Asset management fees and other fees to related parties	(7,456)	(6,338)	(14,665)	(12,075)
Transaction costs	(373)	(32)	(801)	(500)
Depreciation and amortization	(17,566)	(17,286)	(36,694)	(33,915)
Bargain purchase gain				4,918
INCOME FROM CONTINUING OPERATIONS	998	4,170	768	14,454
Income from operations of assets held for sale	3,984	4,344	6,946	5,277
INCOME FROM DISCONTINUED OPERATIONS	3,984	4,344	6,946	5,277
NET INCOME	4,982	8,514	7,714	19,731
Net income attributable to noncontrolling interests	(6)	(115)	(6)	(113)
NET INCOME ATTRIBUTABLE TO STOCKHOLDERS	4,976	8,399	7,708	19,618
Reportable segments
Segment disclosure
Total segment net operating income	33,693	34,582	67,786	67,215
Reconciliation
Segment disclosure
Interest	(5,586)	(4,565)	(10,989)	(8,602)
General and administrative	(1,714)	(2,191)	(3,869)	(2,587)
Asset management fees and other fees to related parties	(7,456)	(6,338)	(14,665)	(12,075)
Transaction costs	(373)	(32)	(801)	(500)
Depreciation and amortization	$ (17,566)	$ (17,286)	$ (36,694)	$ (33,915)