EPS (Computation of Basic and Diluted Earnings Per Share) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Earnings Per Share [Abstract]
Net income	$ 12,389	$ 15,026	$ 25,116	$ 31,821
Dividends and undistributed earnings allocated to participating securities	(17)	(40)	(41)	(83)
Net income available to common shareholders	$ 12,372	$ 14,986	$ 25,075	$ 31,738
Weighted-average common shares outstanding for basic EPS	14,564,282	14,651,851	14,568,680	14,696,323
Dilutive effect of stock-based awards (shares)	40,034	52,800	43,692	60,739
Weighted-average common and potential common shares for diluted EPS (shares)	14,604,316	14,704,651	14,612,372	14,757,062
Basic EPS (in dollars per share)	$ 0.85	$ 1.02	$ 1.72	$ 2.16
Diluted EPS (in dollars per share)	$ 0.85	$ 1.02	$ 1.72	$ 2.15