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Computation of Earnings Per Common Share (Tables)
3 Months Ended
Mar. 31, 2022
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 
 March 31
20222021
Average number of common shares outstanding for basic calculation7,533,711 7,969,462 
Average potential effect of common shares in the Directors Plan (1)
83,538 114,384 
Average potential effect of common shares in the RSP22,439 4,678 
Average number of common shares outstanding used to calculate diluted earnings per common share7,639,688 8,088,524 
Net income$4,734 $5,398 
Earnings per common share
Basic$0.63 $0.68 
Diluted$0.62 $0.67 
(1)Exclusive of shares held in the Rabbi Trust