Earnings Per Share - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Earnings Per Share [Abstract]
Net income	$ 1,244	$ 1,715	$ 72,915	$ 57,954
Average common shares outstanding:
Average common shares outstanding - basic (in shares)	36,019	34,307	35,815	32,756
Additional shares for stock-based compensation plans	43	45	30	49
Average common shares outstanding - diluted (in shares)	36,062	34,352	35,845	32,805
Earnings (loss) per share of common stock
Basic (in dollars per share)	$ 0.03	$ 0.05	$ 2.04	$ 1.77
Diluted (in dollars per share)	$ 0.03	$ 0.05	$ 2.03	$ 1.77
Antidilutive shares	2	1	1	1