Earnings Per Common Share (EPS) - Basic EPS (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, Basic and Diluted [Abstract]
Net income (loss)	$ 48,454	$ (9,843)	$ 5,451
Average common shares outstanding (in shares)	56,145	55,434	55,075
Basic EPS (in dollars per share)	$ 0.86	$ (0.18)	$ 0.10