Earnings (Loss) Per Common Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended						9 Months Ended
	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Sep. 30, 2022	Sep. 30, 2021
Numerator:
Net income (loss)	$ 709	$ 20,669	$ (43,264)	$ 11,918	$ 21,317	$ 20,486	$ (21,886)	$ 53,721
Less: Net income allocated to participating securities	(94)			(116)			(305)	(350)
Numerator for basic earnings available to common stockholders	615			11,802			(22,191)	53,371
Numerator for diluted earnings available to common stockholders	$ 615			$ 11,802			$ (22,191)	$ 53,371
Denominator:
Weighted-average basic common shares outstanding (in shares)	96,605			96,297			96,527	95,922
Dilutive performance stock awards (in shares)	20			0			0	15
Weighted-average diluted common shares outstanding (in shares)	96,625			96,297			96,527	95,937
Earnings (loss) per common share, basic (in usd per share)	$ 0.01			$ 0.12			$ (0.23)	$ 0.56
Earnings (loss) per common share, diluted (in usd per share)	$ 0.01			$ 0.12			$ (0.23)	$ 0.56
Antidilutive unvested RSAs, PSAs and TSR Awards excluded from the computation (in shares)	341			535			478	436