CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY - USD ($) $ in Thousands	Total	Cumulative Effect, Period of Adoption, Adjustment	Common Stock	Additional Paid-in Capital	Retained Earnings	Retained Earnings Cumulative Effect, Period of Adoption, Adjustment	Accumulated Other Comprehensive Loss	Noncontrolling Interests	Noncontrolling Interests Cumulative Effect, Period of Adoption, Adjustment
Balance at Dec. 31, 2017	$ 1,704,780	$ (5,476)	$ 49,781	$ 1,084,205	$ 622,007	$ (3,762)	$ (42,718)	$ (8,495)	$ (1,714)
Net income (loss)	97,781				83,436			14,345
Other comprehensive income (loss)	(2,952)						(2,731)	(221)
Share-based compensation	21,544			21,544
Issuance of common stock, net	(2,585)		245	(2,830)
Contributions from noncontrolling interests	3,797							3,797
Distributions to noncontrolling interests	(29,000)							(29,000)
Balance at Dec. 31, 2018	1,787,889		50,026	1,102,919	701,681		(45,449)	(21,288)
Net income (loss)	(360,225)				(387,690)			27,465
Other comprehensive income (loss)	3,742						3,349	393
Share-based compensation	17,571			17,571
Reacquisition of equity component from convertible note repurchase, net of taxes	0
Issuance of common stock, net	(2,265)		253	(2,518)
Contributions from noncontrolling interests	9,813							9,813
Distributions to noncontrolling interests	(46,500)							(46,500)
Recognized fair value of noncontrolling interest in joint venture upon consolidation	20,500							20,500
Balance at Dec. 31, 2019	1,430,525		50,279	1,117,972	313,991		(42,100)	(9,617)
Net income (loss)	152,337				108,394			43,943
Other comprehensive income (loss)	(4,411)						(4,641)	230
Share-based compensation	11,928			11,928
Reacquisition of equity component from convertible note repurchase, net of taxes	(764)			(764)
Issuance of common stock, net	(1,203)		548	(1,751)
Contributions from noncontrolling interests	3,000							3,000
Distributions to noncontrolling interests	(48,467)							(48,467)
Balance at Dec. 31, 2020	$ 1,542,945		$ 50,827	$ 1,127,385	$ 422,385		$ (46,741)	$ (10,911)