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, 2024	Mar. 31, 2023
Earnings Per Share Reconciliation [Abstract]
Net income	$ 15,991	$ 12,991
Weighted average shares outstanding (in shares)	20,877	21,104
Stock units for deferred compensation plan for non-employee directors (in shares)	175	150
Performance share units (in shares)	25	22
Effect of stock options (in shares)	3	21
Weighted average shares outstanding for calculation of diluted earnings per share (in shares)	21,080	21,297
Net income per common share
Basic (in dollars per share)	$ 0.77	$ 0.62
Diluted (in dollars per share)	$ 0.76	$ 0.61