SEGMENT DISCLOSURE - Reconciliation Of Segment Operating Income (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Segment disclosure
Asset management and other fees to related parties	$ (8,496)	$ (8,399)	$ (25,503)	$ (24,776)
Interest	(10,276)	(5,781)	(24,386)	(17,191)
General and administrative	(2,226)	(2,029)	(6,299)	(7,250)
Transaction costs	(53)	(237)	(320)	(1,038)
Depreciation and amortization	(17,724)	(17,873)	(54,262)	(54,567)
Gain on sale of real estate	14,927	0	39,666	0
INCOME FROM CONTINUING OPERATIONS BEFORE PROVISION FOR INCOME TAXES	8,761	780	34,905	3,069
Provision for income taxes	(379)	(179)	(1,040)	(654)
Income (Loss) from Continuing Operations, Including Portion Attributable to Noncontrolling Interest	8,382	601	33,865	2,415
Discontinued Operations
Income from operations of assets held for sale	703	4,640	3,061	10,540
Net income from discontinued operations	703	4,640	3,061	10,540
Net income	9,085	5,241	36,926	12,955
Net income attributable to noncontrolling interests	3	1	(9)	(5)
Net income attributable to stockholders	9,088	5,242	36,917	12,950
Reportable segments
Segment disclosure
Total segment net operating income	30,279	33,005	99,892	102,312
Reconciliation
Segment disclosure
Asset management and other fees to related parties	(7,631)	(7,290)	(22,824)	(21,955)
Interest	(10,152)	(5,551)	(24,080)	(16,540)
General and administrative	(885)	(1,274)	(3,167)	(5,143)
Transaction costs	(53)	(237)	(320)	(1,038)
Depreciation and amortization	(17,724)	(17,873)	(54,262)	(54,567)
Gain on sale of real estate	$ 14,927	$ 0	$ 39,666	$ 0