Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Earnings Per Share [Abstract]
Net income	$ 1,501	$ 48,043
Less: Net income applicable to contingently issuable shares	0	798
Net income on which diluted earnings per share is calculated	$ 1,501	$ 47,245
Basic weighted average outstanding shares of common stock (in shares)	93,471,000	78,003,000
Dilutive effect of stock-based awards for common stock (in shares)	809,000	862,000
Dilutive effect of contingent earnout shares before conversion (in shares)	0	228,000
Diluted weighted average outstanding shares of common stock (in shares)	94,280,000	79,093,000
Earnings per share - basic (in usd per share)	$ 0.02	$ 0.62
Earnings per share - diluted (in usd per share)	$ 0.02	$ 0.60
Anti-dilutive options excluded from calculation of diluted EPS (in shares)	5,359,661	28,217,335