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Computation of Earnings Per Common Share (Tables)
6 Months Ended
Jun. 30, 2023
Earnings Per Share [Abstract]  
Computation of earnings per common share
Earnings per common share have been computed based on the following for the:
 Three Months Ended 
 June 30
Six Months Ended 
 June 30
2023202220232022
Average number of common shares outstanding for basic calculation7,498,584 7,545,001 7,528,251 7,539,799 
Average potential effect of common shares in the Directors Plan (1)
38,166 74,936 43,793 79,213 
Average potential effect of common shares in the RSP30,777 30,208 29,569 26,345 
Average number of common shares outstanding used to calculate diluted earnings per common share7,567,527 7,650,145 7,601,613 7,645,357 
Net income$4,630 $5,295 $9,951 $10,029 
Earnings per common share
Basic$0.62 $0.70 $1.32 $1.33 
Diluted$0.61 $0.69 $1.31 $1.31 
(1)Exclusive of shares held in the Rabbi Trust