Earnings per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands		3 Months Ended				6 Months Ended
	Jan. 15, 2021	Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2022	Jun. 30, 2021
Earnings Per Share [Abstract]
Class of Warrant or Right, Date from which Warrants or Rights Exercisable	Jan. 15, 2021
Anti-dilutive securities excluded from earnings per share		0		5,178		0	6,744
Earnings Per Share Reconciliation [Abstract]
Net income (loss)		$ 323,485	$ 48,764	$ (222,995)	$ (251,269)	$ 372,249	$ (474,264)
Basic weighted-average common shares outstanding		121,910		118,357		121,909	116,568
Dilutive effect of non-vested RSUs and contingent PSUs		2,414		0		2,339	0
Dilutive effect of Warrants		19		0		19	0
Diluted weighted-average common shares outstanding		124,343		118,357		124,267	116,568
Basic net income (loss) per common share		$ 2.65		$ (1.88)		$ 3.05	$ (4.07)
Diluted net income (loss) per common share		$ 2.60		$ (1.88)		$ 3.00	$ (4.07)