Earnings (Loss) Per Common Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2022	Jun. 30, 2021
Numerator:
Net income (loss)	$ 20,669	$ (43,264)	$ 21,317	$ 20,486	$ (22,595)	$ 41,803
Less: Net income allocated to participating securities	(94)		(116)		(211)	(234)
Numerator for basic earnings available to common stockholders	20,575		21,201		(22,806)	41,569
Numerator for basic and diluted earnings available to common stockholders	$ 20,575		$ 21,201		$ (22,806)	$ 41,569
Denominator:
Weighted-average basic common shares outstanding (in shares)	96,564		96,082		96,487	95,732
Diluted market condition stock awards (in shares)	34		38		0	23
Weighted-average diluted common shares outstanding (in shares)	96,598		96,120		96,487	95,755
Earnings (loss) per common share, basic (in dollars per share)	$ 0.21		$ 0.22		$ (0.24)	$ 0.43
Earnings (loss) per common share, diluted (in dollars per share)	$ 0.21		$ 0.22		$ (0.24)	$ 0.43
Antidilutive unvested RSAs, performance awards and TSR Awards excluded from the computation (in shares)	341		439		431	439