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EARNINGS PER SHARE (Tables)
12 Months Ended
Dec. 31, 2021
Earnings Per Share [Abstract]  
Computations of Earnings Per Share
Earnings per share for the years ended December 31 were calculated as follows (in thousands, except share and per share data):
 202120202019
Net income$20,974 20,075 18,912 
  Less allocation of earnings and dividends to participating securities75 45 31 
  Net income allocated to common shareholders$20,899 20,030 18,881 
Weighted average common shares outstanding, gross12,635,013 12,943,622 13,100,161 
   Less average participating securities45,408 29,345 21,241 
Weighted average number of shares outstanding used in the calculation of basic earnings per common share12,589,605 12,914,277 13,078,920 
Add dilutive effect of:   
Stock options307 3,973 
Adjusted weighted average number of shares outstanding used in the calculation of diluted earnings per common share12,589,613 12,914,584 13,082,893 
Earnings per common share:   
Basic$1.66 1.55 1.44 
Diluted1.66 1.55 1.44