Net 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
Net Earnings Per Share
Basic Earnings Per Share	$ 4,888	$ 4,808	$ 8,836	$ 7,980
Net Earnings
Diluted Earnings Per Share	$ 4,888	$ 4,808	$ 8,836	$ 7,980
Weighted Average Number Of Shares
Basic Earnings Per Share (in Shares)	5,290,856	5,451,521	5,304,763	5,463,495
Effect Of Dilutive Securities: Restricted Stock Units - unvested	19,886	20,636	19,015	18,812
Effect Of Dilutive Securities: Shares Held In Deferred Comp Plan By Deferred Compensation Trust	165,608	161,749	164,975	167,073
Diluted Earnings Per Share (in Shares)	5,476,350	5,633,906	5,488,753	5,649,380
Per Share Amount
Basic Earnings Per Share	$ 0.93	$ 0.88	$ 1.67	$ 1.46
Diluted Earnings Per Share	$ 0.89	$ 0.85	$ 1.61	$ 1.41