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EPS (Computation of Basic and Diluted Earnings Per Share) (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Earnings Per Share [Abstract]
Net Income	$ 43,383	$ 61,439	$ 69,014
Dividends and undistributed earnings allocated to participating securities(1)	(53)	(162)	(190)
Net income available to common shareholders	$ 43,330	$ 61,277	$ 68,824
Weighted-average common shares outstanding for basic EPS	14,563,380	14,644,170	14,903,855
Dilutive effect of stock-based awards	45,965	56,840	67,723
Weighted-average common and potential common shares for diluted EPS	14,609,345	14,701,010	14,971,578
Basic EPS	$ 2.98	$ 4.18	$ 4.62
Diluted EPS	$ 2.97	$ 4.17	$ 4.60

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