Earnings Per Share (Details) $ / shares in Units, shares in Thousands, $ in Thousands		12 Months Ended
	Jan. 15, 2021	Dec. 31, 2021 USD ($) $ / shares shares	Dec. 31, 2020 USD ($) $ / shares shares	Dec. 31, 2019 USD ($) $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Class of Warrant or Right, Date from which Warrants or Rights Exercisable	Jan. 15, 2021
Anti-dilutive shares excluded from earnings per share		0	265	684
Earnings Per Share Reconciliation [Abstract]
Net income (loss) | $		$ 36,229	$ (764,614)	$ (187,001)
Basic weighted-average common shares outstanding		119,043	113,730	112,544
Dilutive effect of non-vested RSUs and contingent PSUs		2,582	0	0
Dilutive effect of Warrants		2,065	0	0
Diluted weighted-average common shares outstanding		123,690	113,730	112,544
Basic net income (loss) per common share | $ / shares		$ 0.30	$ (6.72)	$ (1.66)
Diluted net income (loss) per common share | $ / shares		$ 0.29	$ (6.72)	$ (1.66)
Performance Shares (PSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period		3 years
Multiplier applied to PSU awards at settlement		1.0	0.9	0
Minimum | Performance Shares (PSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Multiplier applied to PSU awards at settlement		0
Maximum | Performance Shares (PSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Multiplier applied to PSU awards at settlement		2