Shareholders' Equity and Earnings Per Common Share - Earnings Per Share Reconciliation (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Earnings Per Share Reconciliation [Abstract]
Net income	$ 12,991	$ 17,967
Weighted average shares outstanding (in shares)	21,104	21,192
Stock units for deferred compensation plan for non-employee directors (in shares)	150	128
Effect of stock options (in shares)	21	56
Performance share units (in shares)	22	22
Weighted average shares outstanding for calculation of diluted earnings per share (in shares)	21,297	21,398
Net income per common share
Basic (in dollars per share)	$ 0.62	$ 0.85
Diluted (in dollars per share)	$ 0.61	$ 0.84