Net Income (Loss) per Common Share - Summary of Calculation of Net Loss Per Common Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended						9 Months Ended
	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Sep. 30, 2021	Sep. 30, 2020
Earnings Per Share [Abstract]
Income from continuing operations, net of tax	$ 44,129			$ 46,081			$ 179,614	$ 37,332
Loss from discontinued operations, net of tax	0			0			0	(58,203)
Net income (loss)	$ 44,129	$ 65,896	$ 69,589	$ 46,081	$ (55,627)	$ (11,324)	$ 179,614	$ (20,871)
Weighted average number of shares outstanding, basic (in shares)	73,215			60,786			72,649	60,983
Diluted shares (in shares)	2,743			137			2,754	0
Weighted average number of shares outstanding, diluted (in shares)	75,958			60,923			75,403	60,983
Basic income (loss) per common share:
Income (loss) from continuing operations (in usd per share)	$ 0.60			$ 0.76			$ 2.47	$ 0.61
Loss from discontinued operations (in usd per share)	0			0			0	(0.95)
Net income (loss)	0.60			0.76			2.47	(0.34)
Diluted income (loss) per common share:
Income (loss) from continuing operations (in usd per share)	0.58			0.76			2.38	0.61
Loss from discontinued operations (in usd per share)	0			0			0	(0.95)
Net income (loss)	$ 0.58			$ 0.76			$ 2.38	$ (0.34)