EPS (Computation of Basic and Diluted Earnings Per Share) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Earnings Per Share [Abstract]
Net income	$ 12,727	$ 16,795
Dividends and undistributed earnings allocated to participating securities	(25)	(43)
Net income available to common shareholders	$ 12,702	$ 16,752
Weighted-average common shares outstanding for basic EPS	14,573,122	14,741,271
Dilutive effect of stock-based awards (shares)	58,420	81,061
Weighted-average common and potential common shares for diluted EPS (shares)	14,631,542	14,822,332
Basic EPS (in dollars per share)	$ 0.87	$ 1.14
Diluted EPS (in dollars per share)	$ 0.87	$ 1.13