Net Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Net Earnings Per Share
Basic Earnings Per Share	$ 3,958	$ 4,127	$ 12,794	$ 12,106
Net Earnings
Diluted Earnings Per Share	$ 3,958	$ 4,127	$ 12,794	$ 12,106
Weighted Average Number Of Shares
Basic Earnings Per Share (in Shares)	5,295,765	5,402,048	5,301,742	5,442,788
Effect Of Dilutive Securities: Restricted Stock Units - unvested	22,616	19,070	20,224	18,899
Effect Of Dilutive Securities: Shares Held In Deferred Comp Plan By Deferred Compensation Trust	162,576	166,168	161,304	168,099
Diluted Earnings Per Share (in Shares)	5,480,957	5,587,286	5,483,270	5,629,786
Per Share Amount
Basic Earnings Per Share	$ 0.74	$ 0.76	$ 2.41	$ 2.22
Diluted Earnings Per Share	$ 0.72	$ 0.74	$ 2.33	$ 2.15