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Summary of Significant Accounting Policies (Details 2) - USD ($)
$ / shares in Units, $ in Thousands
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Net Earnings Available to Common Shareholders      
Net earnings $ 16,353 $ 15,546 $ 16,123
Effect of dilutive securities: Restricted stock units- unvested 0 0 0
Diluted earnings per common share $ 16,353 $ 15,546 $ 16,123
Common Shares      
Basic earnings per common share (in shares) 5,300,964 5,424,890 5,480,123
Effect of dilutive securities: Restricted stock units- unvested 20,682 18,971 15,467
Shares held in deferred comp plan by deferred compensation trust 161,141 166,353 165,599
Diluted earnings per common share (in shares) 5,482,787 5,610,214 5,661,189
Per Share Amount      
Basic earnings per common share (in dollars per share) $ 3.08 $ 2.87 $ 2.94
Diluted earnings per common share (in dollars per share) $ 2.98 $ 2.77 $ 2.85