SEGMENT DISCLOSURE - Reconciliation Of Segment Operating Income (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Segment disclosure
Asset management and other fees to related parties	$ (7,492)	$ (7,456)	$ (15,193)	$ (14,665)
Interest	(7,302)	(5,586)	(13,928)	(10,989)
General and administrative	(1,712)	(1,955)	(3,475)	(4,547)
Transaction costs	(118)	(373)	(267)	(801)
Depreciation and amortization	(18,480)	(17,566)	(36,538)	(36,694)
Gain on sale of real estate			24,739
INCOME (LOSS) FROM CONTINUING OPERATIONS	(1,965)	998	23,589	768
Discontinued Operations
Income from operations of assets held for sale	2,823	3,984	4,252	6,946
Net income from discontinued operations	2,823	3,984	4,252	6,946
Net income	858	4,982	27,841	7,714
Net income attributable to noncontrolling interests	(9)	(6)	(12)	(6)
Net income attributable to stockholders	849	4,976	27,829	7,708
Reportable segments
Segment disclosure
Total segment net operating income	32,645	33,693	67,058	67,786
Reconciliation
Segment disclosure
Asset management and other fees to related parties	(7,492)	(7,456)	(15,193)	(14,665)
Interest	(7,302)	(5,586)	(13,928)	(10,989)
General and administrative	(1,218)	(1,714)	(2,282)	(3,869)
Transaction costs	(118)	(373)	(267)	(801)
Depreciation and amortization	$ (18,480)	$ (17,566)	(36,538)	$ (36,694)
Gain on sale of real estate			$ 24,739