Consolidated Statement of Stockholders' Equity - USD ($) shares in Thousands, $ in Thousands	Total	Cumulative Effect Period of Adoption Adjustment	Common Stock	Additional Paid-in Capital	Accumulated Deficit	Accumulated Deficit Cumulative Effect Period of Adoption Adjustment	Total Stockholders' Equity	Total Stockholders' Equity Cumulative Effect Period of Adoption Adjustment	Non-controlling Interest-Operating Partnership
Balance at Dec. 31, 2019	$ 1,376,749		$ 1,191	$ 1,821,810	$ (446,252)		$ 1,376,749
Balance (in shares) at Dec. 31, 2019			119,096
Net income (loss)	33,238				32,057		32,057		$ 1,181
Retirement of common stock	(3,560)		$ (2)	(3,558)			(3,560)
Retirement of common stock (in shares)			(207)
Dividends declared on common stock	(53,415)				(53,415)		(53,415)
Restricted stock compensation, net of forfeitures	4,610			4,610			4,610
Restricted stock grants			$ 7	(7)
Restricted stock grants (in shares)			740
Contributions to operating partnership	23,271								23,271
Distributions to non-controlling interest	(1,181)								(1,181)
Balance at Mar. 31, 2020	1,378,676	$ (1,036)	$ 1,196	1,822,855	(468,646)	$ (1,036)	1,355,405	$ (1,036)	23,271
Balance (in shares) at Mar. 31, 2020			119,629
Balance at Dec. 31, 2019	1,376,749		$ 1,191	1,821,810	(446,252)		1,376,749
Balance (in shares) at Dec. 31, 2019			119,096
Net income (loss)	55,424
Balance at Jun. 30, 2020	1,405,181		$ 1,196	1,827,174	(446,460)		1,381,910		23,271
Balance (in shares) at Jun. 30, 2020			119,631
Balance at Mar. 31, 2020	1,378,676	$ (1,036)	$ 1,196	1,822,855	(468,646)	$ (1,036)	1,355,405	$ (1,036)	23,271
Balance (in shares) at Mar. 31, 2020			119,629
Net income (loss)	22,186				22,186		22,186
Restricted stock compensation, net of forfeitures	4,319			4,319			4,319
Restricted stock grants (in shares)			2
Balance at Jun. 30, 2020	1,405,181		$ 1,196	1,827,174	(446,460)		1,381,910		23,271
Balance (in shares) at Jun. 30, 2020			119,631
Balance at Dec. 31, 2020	1,413,442		$ 1,196	1,835,494	(446,519)		1,390,171		23,271
Balance (in shares) at Dec. 31, 2020			119,638
Net income (loss)	(125,568)				(125,568)		(125,568)
Retirement of common stock	(1,634)		$ (2)	(1,632)			(1,634)
Retirement of common stock (in shares)			(220)
Dividends on RSUs	(218)				(218)		(218)
Restricted stock compensation, net of forfeitures	4,213			4,213			4,213
Restricted stock grants			$ 9	(9)
Restricted stock grants (in shares)			859
Balance at Mar. 31, 2021	1,290,235		$ 1,203	1,838,066	(572,305)		1,266,964		23,271
Balance (in shares) at Mar. 31, 2021			120,277
Balance at Dec. 31, 2020	1,413,442		$ 1,196	1,835,494	(446,519)		1,390,171		23,271
Balance (in shares) at Dec. 31, 2020			119,638
Net income (loss)	(109,945)
Balance at Jun. 30, 2021	1,310,230		$ 1,203	1,842,395	(556,639)		1,286,959		23,271
Balance (in shares) at Jun. 30, 2021			120,285
Balance at Mar. 31, 2021	1,290,235		$ 1,203	1,838,066	(572,305)		1,266,964		23,271
Balance (in shares) at Mar. 31, 2021			120,277
Net income (loss)	15,623				15,623		15,623
Forfeiture of dividends on RSUs	43				43		43
Restricted stock compensation, net of forfeitures	4,329			4,329			4,329
Restricted stock grants (in shares)			8
Balance at Jun. 30, 2021	$ 1,310,230		$ 1,203	$ 1,842,395	$ (556,639)		$ 1,286,959		$ 23,271
Balance (in shares) at Jun. 30, 2021			120,285