Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Earnings Per Share Reconciliation [Abstract]
Earnings from continuing operations	$ 62,363	$ (5,745)	$ 184,522	$ 22,826
fair value adjustment to warrants, net of tax	0	0	(23,776)	0
Undistributed Earnings (Loss) from Continuing Operations Available to Common Shareholders, Diluted	$ 62,363	$ (5,745)	$ 160,746	$ 22,826
Weighted-average shares outstanding for basic earnings per share (in shares)	73,721,000	59,146,000	67,177,000	59,106,000
Restricted stock (in shares)			478,739	365,100
Common equivalent shares:
Effect of stock-based compensation awards (in shares)	3,022,000	0	8,100,000	757,000
Weighted-average shares outstanding assuming dilution (in shares)	76,743,000	59,146,000	75,277,000	59,863,000
Basic earnings per share from continuing operations (in dollars per share)	$ 0.85	$ (0.10)	$ 2.75	$ 0.39
Diluted earnings per share from continuing operations (in dollars per share)	$ 0.81	$ (0.10)	$ 2.14	$ 0.38