Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Gains (Losses) [Member]	Treasury Stock [Member]
Beginning Balance at Dec. 31, 2018	$ 3,584,653	$ 1,444	$ 2,018,143	$ 1,769,415	$ 21	$ (204,370)
Beginning Balance, shares at Dec. 31, 2018		144,384				6,945
Net loss	(357,214)			(357,214)
Stock-based compensation, net of tax	4,810	$ 4	6,204			$ (1,398)
Stock-based compensation, net of tax, shares		398				133
Net (loss) gain on derivative financial instruments	(7)				(7)
Net gain (loss) on investments	(32)				(32)
Ending Balance at Dec. 31, 2019	3,232,210	$ 1,448	2,024,347	1,412,201	(18)	$ (205,768)
Ending Balance, shares at Dec. 31, 2019		144,782				7,078
Net loss	(1,254,904)			(1,254,904)
Stock-based compensation, net of tax	5,242	$ 5	5,632			$ (395)
Stock-based compensation, net of tax, shares		482				132
Net (loss) gain on derivative financial instruments	18				18
Ending Balance at Dec. 31, 2020	1,982,566	$ 1,453	2,029,979	157,297		$ (206,163)
Ending Balance, shares at Dec. 31, 2020		145,264				7,210
Net loss	(1,961,989)			(1,961,989)
Cancellation of Predecessor equity	(20,577)	$ (1,453)	(2,029,979)	1,804,692		$ 206,163
Cancellation of Predecessor equity, shares		(145,264)				(7,210)
Ending Balance at Apr. 23, 2021	934,810
Ending Balance at Apr. 23, 2021
Ending Balance, shares at Apr. 23, 2021
Issuance of Successor equity	934,810	$ 10	934,800
Issuance of Successor equity, shares		100,000
Ending Balance at Apr. 24, 2021	934,810	$ 10	934,800
Ending Balance, shares at Apr. 24, 2021		100,000
Beginning Balance at Apr. 23, 2021	934,810
Beginning Balance, shares at Apr. 23, 2021
Net loss	(177,344)			(177,344)
Stock-based compensation, net of tax	10,239		10,239
Stock-based compensation, net of tax, shares		75
Ending Balance at Dec. 31, 2021	$ 767,705	$ 10	$ 945,039	$ (177,344)
Ending Balance, shares at Dec. 31, 2021		100,075