CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY - USD ($) $ in Thousands		Total	Series D Preferred Stock [Member]	Preferred Stock [Member]	Total Stockholders' Equity	Total Stockholders' Equity Series D Preferred Stock [Member]	Total Stockholders' Equity Preferred Stock [Member]	Preferred Stock [Member]	Common Stock [Member]	Additional Paid-In Capital [Member]	Accumulated Other Comprehensive 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] Preferred Stock [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cumulative effect adjustment for equity-based compensation forfeitures										$ 384		$ (384)
Beginning balance (shares) at Dec. 31, 2015								42,834,138	904,884,394
Beginning 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]
Repurchases of common stock to settle tax obligation (shares)									(205,325)
Repurchases of common stock to settle tax obligation		(1,798)			(1,798)				$ (2)	(1,796)
Equity-based compensation, net (shares)									118,891
Equity-based compensation, net		4,509			4,509				$ 1	4,508
Contributions from non-controlling interest holders		675													675
Distributions declared on common stock		(248,575)			(248,575)							(248,575)
Distributions to non-controlling interest holders		(6,596)													(6,596)
Distributions			$ (335)	$ (35,946)		$ (335)	$ (35,874)						$ (335)	$ (35,874)	(72)
Net income (loss)		(112,847)			(109,940)							(109,940)			(2,907)
Other comprehensive income (loss)		(10,541)			(10,272)						(10,272)				(269)
Ending balance (shares) at Jun. 30, 2016								42,834,138	904,797,960
Ending balance at Jun. 30, 2016		8,302,505			8,121,702			$ 428	$ 9,048	11,934,864	(12,297)	(3,810,341)			180,803
Beginning balance (shares) at Dec. 31, 2016								42,834,138	974,146,650
Beginning balance at Dec. 31, 2016		8,619,533			8,447,361			$ 428	$ 9,741	12,640,171	(2,556)	(4,200,423)			172,172
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Repurchases of common stock under the Share Repurchase Program (shares)	[1]								(68,759)
Repurchases of common OP Units under the Share Repurchase Program	[1]	(518)			(518)				$ (1)	(517)
Repurchases of common stock to settle tax obligation (shares)									(222,111)
Repurchases of common stock to settle tax obligation		(1,906)			(1,906)				$ (2)	(1,904)
Equity-based compensation, net (shares)									394,422
Equity-based compensation, net		7,563			7,563				$ 4	7,559
Distributions declared on common stock		(267,866)			(267,866)							(267,866)
Distributions to non-controlling interest holders		(6,610)													(6,610)
Distributions			$ (391)	$ (35,946)		$ (391)	$ (35,874)						$ (391)	$ (35,874)		$ (72)
Net income (loss)		48,976			47,846							47,846			1,130
Other comprehensive income (loss)		644			628						628				16
Ending balance (shares) at Jun. 30, 2017								42,834,138	974,250,202
Ending balance at Jun. 30, 2017		$ 8,363,479			$ 8,196,843			$ 428	$ 9,742	$ 12,645,309	$ (1,928)	$ (4,456,708)			$ 166,636

[1] The Company’s Share Repurchase Program (as defined in Note 15 – Equity), which was authorized by the board of directors on May 12, 2017, allows for the repurchase of up to $200.0 million of the Company’s outstanding shares of Common Stock over the next 12 months.