Earnings Per Share - Computation of Basic and Diluted Earnings per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Earnings Per Share [Abstract]
Net income (loss) available to common shareholders	$ (81,255)	$ (57,955)	$ 49,006
Weighted average common shares outstanding - Basic (in shares)	44,301	40,253	39,556
Dilutive effect of stock-based awards (in shares)	0	0	424
Incremental Common Shares Attributable to Dilutive Effect of Conversion of Debt Securities	0	0	0
Weighted average common shares outstanding - Diluted (in shares)	44,301	40,253	39,980
Earnings (loss) per common share - Basic (in dollars per share)	$ (1.83)	$ (1.44)	$ 1.24
Earnings (loss) per common share - Diluted (in dollars per share)	$ (1.83)	$ (1.44)	$ 1.23