CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY - USD ($) $ in Thousands		Total	Series F Preferred Stock [Member]	Series D Preferred Stock [Member]	Preferred Stock [Member]	Total Stockholders' Equity	Total Stockholders' Equity Series F Preferred Stock [Member]	Total Stockholders' Equity Series D Preferred Stock [Member]	Total Stockholders' Equity Preferred Stock [Member]	Preferred Stock [Member]	Preferred Stock [Member] Series F Preferred Stock [Member]	Common Stock [Member]	Additional Paid-In Capital [Member]	Additional Paid-In Capital [Member] Series F Preferred Stock [Member]	Accumulated Other Comprehensive Income (loss) [Member]	Accumulated Deficit [Member]	Accumulated Deficit [Member] Series D Preferred Stock [Member]	Accumulated Deficit [Member] Preferred Stock [Member]	Non-Controlling Interests [Member]	Non-Controlling Interests [Member] Series F Preferred Stock [Member]	Non-Controlling Interests [Member] Preferred Stock [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]
Issuance of common stock, net (shares)	[1]											662,305,318
Issuance of common stock, net	[1]	8,930,263				8,930,263						$ 6,623	8,923,640
Conversion of OP Units (shares)											634,591	1,108,351
Conversion of OP Units		0	$ 0			16,046	$ 12,677				$ 6	$ 11	16,035	$ 12,671					(16,046)	$ (12,677)
Repurchases of common stock to settle tax obligation (shares)												(551,664)
Repurchases of common stock to settle tax obligation		(7,690)				(7,690)						$ (5)	(7,685)
Equity-based compensation, net of forfeitures (shares)												3,433,701
Equity-based compensation, net		31,861				30,261						$ 34	30,227						1,600
Excess tax benefit		4,458				4,458							4,458
Distributions declared on common stock		(819,377)				(819,377)										(819,377)
Issuance of OP Units		152,484																	152,484
Distributions to non-controlling interest holders		(36,318)																	(36,318)
Distributions				$ (5,335)	$ (98,722)			$ (5,335)	$ (98,722)								$ (5,335)	$ (98,722)
Contributions from non-controlling interest holders		982																	982
Non-controlling interests retained		24,766																	24,766
Redemption of OP Units		(8,420)																	(8,420)
Net (loss) income		(1,010,912)				(977,185)										(977,185)			(33,727)
Other comprehensive loss		(4,938)				(4,938)									(4,938)
Ending balance (shares) at Dec. 31, 2014										42,834,138		905,530,431
Ending 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)												(268,414)
Repurchases of common stock to settle tax obligation		(2,227)				(2,227)						$ (2)	(2,225)
Equity-based compensation, net of forfeitures (shares)												(377,623)
Equity-based compensation, net		14,500				14,500						$ (4)	14,504
Tax shortfall from equity-based compensation		(764)				(764)							(764)
Distributions declared on common stock		(248,476)				(248,476)										(248,476)
Distributions to non-controlling interest holders		(45,594)																	(45,594)
Distributions				(410)	(71,892)			(410)	(71,418)								(410)	(71,418)	(474)
Disposition of consolidated joint venture interest		14,859																	14,859
Net (loss) income		(323,492)				(316,353)										(316,353)			(7,139)
Other comprehensive loss		(4,875)				(4,753)									(4,753)				(122)
Ending balance (shares) at Dec. 31, 2015										42,834,138		904,884,394
Ending balance at Dec. 31, 2015		8,713,959				8,523,987				$ 428		$ 9,049	11,931,768		(2,025)	(3,415,233)			189,972
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cumulative-effect adjustment for equity-based compensation forfeitures		0											384			(384)
Issuance of common stock, net (shares)												69,000,000
Issuance of common stock, net		702,476				702,476						$ 690	701,786
Conversion of OP Units (shares)												15,450
Conversion of OP Units		0				159							159						(159)
Repurchases of common stock to settle tax obligation (shares)												(481,261)
Repurchases of common stock to settle tax obligation		(4,652)				(4,652)						$ (5)	(4,647)
Equity-based compensation, net of forfeitures (shares)												728,067
Equity-based compensation, net		10,728				10,728						$ 7	10,721
Distributions declared on common stock		(516,703)				(516,703)										(516,703)
Distributions to non-controlling interest holders		(13,183)																	(13,183)
Distributions				$ (492)	$ (71,892)			$ (492)	$ (71,748)								$ (492)	$ (71,748)			$ (144)
Contributions from non-controlling interest holders		675																	675
Net (loss) income		(200,824)				(195,863)										(195,863)			(4,961)
Other comprehensive loss		(559)				(531)									(531)				(28)
Ending balance (shares) at Dec. 31, 2016										42,834,138		974,146,650
Ending balance at Dec. 31, 2016		$ 8,619,533				$ 8,447,361				$ 428		$ 9,741	$ 12,640,171		$ (2,556)	$ (4,200,423)			$ 172,172

[1] Includes $2.2 million issued to affiliates of the Former Manager (as defined in Note 1 – Organization) for the year ended December 31, 2014. No such amounts were issued to affiliates of the Former Manager during the years ended December 31, 2016 and 2015.