Earnings Per Share - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Earnings Per Share [Abstract]
Net income	$ 71,671	$ 56,239
Average common shares outstanding:
Average common shares outstanding - basic (in shares)	35,609	31,187
Additional shares for stock-based compensation plans	99	25
Average common shares outstanding - diluted (in shares)	35,708	31,212
Earnings (loss) per share of common stock
Basic (in dollars per share)	$ 2.01	$ 1.80
Diluted (in dollars per share)	$ 2.01	$ 1.80
Antidilutive shares	1	5