Earnings per Common Share (Calculation of Earnings per Share) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Earnings Per Share [Abstract]
Net income	$ 10,815	$ 11,256	$ 21,751	$ 24,068
Less dividends and undistributed earnings allocated to participating securities	(8)	(19)	(20)	(48)
Net income available to common shareholders	$ 10,807	$ 11,237	$ 21,731	$ 24,020
Weighted average common shares outstanding for basic EPS	17,052,000	17,011,000	17,042,000	17,042,000
Dilutive effect of common stock equivalents	58,000	19,000	40,000	43,000
Weighted average common shares outstanding for diluted EPS	17,110,000	17,030,000	17,082,000	17,085,000
Basic EPS	$ 0.63	$ 0.66	$ 1.28	$ 1.41
Diluted EPS	$ 0.63	$ 0.66	$ 1.27	$ 1.41
Antidilutive common stock equivalents	458,539	478,490	459,100	377,989