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]
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 to Common Stock (shares)								15,450
Conversion of OP Units to Common Stock				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 (shares)								728,067
Equity-based compensation, net	10,728			10,728				$ 7	10,721
Contributions from non-controlling interest holders	675													675
Distributions declared on Common Stock — $0.55 per common share	(515,935)			(515,935)							(515,935)
Distributions to non-controlling interest holders	(13,183)													(13,183)
Dividend equivalents on awards granted under the Equity Plan		$ (1,260)			$ (1,260)							$ (1,260)
Distributions			$ (71,892)			$ (71,748)							$ (71,748)		$ (144)
Net (loss) income	(200,824)			(195,863)							(195,863)			(4,961)
Other comprehensive (loss) income	(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
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Repurchases of Common Stock under Share Repurchase Program (shares)								(68,759)
Repurchases of Common Stock under Share Repurchase Programs	(518)			(518)				$ (1)	(517)
Repurchases of Common Stock to settle tax obligation (shares)								(268,550)
Repurchases of Common Stock to settle tax obligation	(2,148)			(2,148)				$ (2)	(2,146)
Equity-based compensation, net (shares)								399,242
Equity-based compensation, net	16,754			16,754				$ 4	16,750
Contributions from non-controlling interest holders	101													101
Distributions declared on Common Stock — $0.55 per common share	(535,657)			(535,657)							(535,657)
Distributions to non-controlling interest holders	(13,227)													(13,227)
Dividend equivalents on awards granted under the Equity Plan		$ (571)			$ (571)							$ (571)
Distributions			(71,892)			(71,748)							(71,748)		(144)
Disposition of joint venture	(838)													(838)
Net (loss) income	32,378			31,818							31,818			560
Other comprehensive (loss) income	(1,039)			(1,013)						(1,013)				(26)
Ending balance (shares) at Dec. 31, 2017							42,834,138	974,208,583
Ending balance at Dec. 31, 2017	8,042,876			7,884,278			$ 428	$ 9,742	12,654,258	(3,569)	(4,776,581)			158,598
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Conversion of OP Units to Common Stock (shares)								32,439
Conversion of OP Units to Common Stock	0			241				$ 0	241					(241)
Repurchases of Common Stock under Share Repurchase Program (shares)								(7,206,876)
Repurchases of Common Stock under Share Repurchase Programs	(50,154)			(50,154)				$ (72)	(50,082)
Repurchases of Common Stock to settle tax obligation (shares)								(324,502)
Repurchases of Common Stock to settle tax obligation	(2,326)			(2,326)				$ (2)	(2,324)
Equity-based compensation, net (shares)								805,521
Equity-based compensation, net	13,314			13,314				$ 7	13,307
Contributions from non-controlling interest holders	120													120
Distributions declared on Common Stock — $0.55 per common share	(532,144)			(532,144)							(532,144)
Distributions to non-controlling interest holders	(13,048)													(13,048)
Dividend equivalents on awards granted under the Equity Plan	(917)			(917)					72		(989)
Distributions			$ (71,892)			$ (71,748)							$ (71,748)		$ (144)
Net (loss) income	(88,030)			(85,774)							(85,774)			(2,256)
Other comprehensive (loss) income	2,345			2,289						2,289				56
Ending balance (shares) at Dec. 31, 2018							42,834,138	967,515,165
Ending balance at Dec. 31, 2018	$ 7,300,144			$ 7,157,059			$ 428	$ 9,675	$ 12,615,472	$ (1,280)	$ (5,467,236)			$ 143,085