Earnings Per Common Share (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Earnings Per Share [Abstract]
Net income	$ 71,681	$ 76,870	$ 69,829
Less: dividends and undistributed earnings allocated to participating securities	(202)	(223)	(152)
Net income available to common shareholders	$ 71,479	$ 76,647	$ 69,677
Weighted average common shares outstanding - basic	17,246,000	17,310,000	17,282,000
Dilutive effect of common stock equivalents (in shares)	135,000	145,000	120,000
Weighted average common shares outstanding - diluted	17,381,000	17,455,000	17,402,000
Basic earnings per common share (in dollars per share)	$ 4.14	$ 4.43	$ 4.03
Diluted earnings per common share (in dollars per share)	$ 4.11	$ 4.39	$ 4.00
Antidilutive common stock equivalents	149,742	100,150	223,506