CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY - USD ($) $ in Thousands		Total	Series D Preferred Stock [Member]	Preferred Stock [Member]	Common Units [Member]	Preferred OP Units [Member]	Member Units [Member]	Cumulative Preferred Stock [Member]	Total Stockholders' Equity	Total Stockholders' Equity Series D Preferred Stock [Member]	Total Stockholders' Equity Preferred Stock [Member]	Total Stockholders' Equity Common Units [Member]	Total Stockholders' Equity Preferred OP Units [Member]	Total Stockholders' Equity Cumulative Preferred Stock [Member]	Preferred Stock [Member]	Preferred Stock [Member] Preferred OP Units [Member]	Common Stock [Member]	Common Stock [Member] Common Units [Member]	Additional Paid-In Capital [Member]	Additional Paid-In Capital [Member] Common Units [Member]	Additional Paid-In Capital [Member] Preferred OP Units [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Accumulated Deficit [Member]	Accumulated Deficit [Member] Series D Preferred Stock [Member]	Accumulated Deficit [Member] Preferred Stock [Member]	Accumulated Deficit [Member] Cumulative Preferred Stock [Member]	Non-Controlling Interests [Member]	Non-Controlling Interests [Member] Common Units [Member]	Non-Controlling Interests [Member] Preferred OP Units [Member]	Non-Controlling Interests [Member] Member Units [Member]
Beginning balance (shares) at Dec. 31, 2013															42,199,547		239,234,725
Beginning balance at Dec. 31, 2013		$ 2,229,228							$ 2,073,430						$ 422		$ 2,392		$ 2,940,907			$ 7,666	$ (877,957)				$ 155,798
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Equity-based compensation, net of forfeitures		32,805							23,183										23,183								9,622
Distributions declared on common stock		(593,846)							(593,846)														(593,846)
Distributions to Common OP Units and non-controlling interests		(28,809)																									(28,809)
Distributions			$ (3,617)					$ (80,749)		$ (3,617)				$ (80,749)										$ (3,617)		$ (80,749)
Net loss		(650,485)							(626,562)														(626,562)				(23,923)
Other comprehensive loss		934							934													934
Issuance of common stock (shares)	[1]																662,305,318
Issuance of common stock	[1]	8,923,453							8,923,453								$ 6,623		8,916,830
Conversion of Units to Stock (shares)																622,836		1,098,074
Conversion of Units to Stock					$ 0	$ 0						$ 16,275	$ 12,470			$ 6		$ 11		$ 16,264	$ 12,464							$ (16,275)	$ (12,470)
Issuance of restricted share awards, net (shares)																	5,326,404
Issuance of restricted share awards, net		(4,256)							(4,256)								$ 54		(4,310)								0
Issuance of OP Units							$ 152,484																							$ 152,484
Contributions from non-controlling interest holders		982																									982
Non-controlling interests retained in Cole Merger		24,766																									24,766
Ending balance (shares) at Sep. 30, 2014															42,822,383		907,964,521
Ending balance at Sep. 30, 2014		10,002,890							9,740,715						$ 428		$ 9,080		11,905,338			8,600	(2,182,731)				262,175
Beginning balance (shares) at Dec. 31, 2014															42,834,138		905,530,431
Beginning balance at Dec. 31, 2014		$ 9,382,330							9,153,888						$ 428		$ 9,055		11,920,253			2,728	(2,778,576)				228,442
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Repurchases of common stock to settle tax obligation (shares)		(183,492)															(183,492)
Repurchases of common stock to settle tax obligation		$ (1,634)							(1,634)								$ (1)		(1,633)
Equity-based compensation, net of forfeitures (shares)																	(386,705)
Equity-based compensation, net of forfeitures		10,189							10,189								$ (4)		10,193								0
Tax shortfall from equity-based compensation		(629)							(629)										(629)
Distributions declared on common stock		(124,225)							(124,225)														(124,225)
Distributions to Common OP Units and non-controlling interests		(16,879)																									(16,879)
Distributions			$ (222)	$ (53,920)						$ (222)	$ (53,920)													$ (222)	$ (53,920)
Disposition of consolidated joint venture interest		6,339																									6,339
Net loss		(131,261)							(128,963)														(128,963)				(2,298)
Other comprehensive loss		(12,863)							(12,534)													(12,534)					(329)
Ending balance (shares) at Sep. 30, 2015															42,834,138		904,960,234
Ending balance at Sep. 30, 2015		$ 9,057,225							$ 8,841,950						$ 428		$ 9,050		$ 11,928,184			$ (9,806)	$ (3,085,906)				$ 215,275

[1] Includes $2.2 million issued to affiliates of the Former Manager (as defined in Note 15 – Equity) for the nine months ended September 30, 2014.