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Net Earnings Per Share (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
 3 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Net Earnings Per Share    
Basic Earnings Per Share $ 3,948 $ 3,172
Net Earnings    
Diluted Earnings Per Share $ 3,948 $ 3,172
Weighted Average Number Of Shares    
Basic Earnings Per Share (in Shares) 5,318,671 5,475,603
Effect Of Dilutive Securities: Restricted Stock Units - unvested 18,143 16,967
Effect Of Dilutive Securities: Shares Held In Deferred Comp Plan By Deferred Compensation Trust 164,336 163,680
Diluted Earnings Per Share (in Shares) 5,501,150 5,656,250
Per Share Amount    
Basic Earnings Per Share $ 0.74 $ 0.58
Diluted Earnings Per Share $ 0.72 $ 0.56