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Dividends and Basic and Diluted Earnings Per Common Share (Tables)
9 Months Ended
Sep. 30, 2021
Dividends and Basic and Diluted Earnings Per Common Share [Abstract]  
Calculation of Basic and Diluted Earnings per Common Share
The following table calculates the basic earnings per common share for the three and nine-month periods ended September 30, 2021 and 2020.

 
Three Months
Ended September 30,
   
Nine Months
Ended September 30,
 
(net income in thousands)
 
2021
   
2020
   
2021
   
2020
 
Net Income
 
$
17,502
   
$
14,810
   
$
50,368
   
$
43,241
 
Weighted Average Number of Common Shares Outstanding
   
789,646
     
793,556
     
789,646
     
793,539
 
Basic and Diluted Earnings Per Common Share
 
$
22.16
   
$
18.66
   
$
63.79
   
$
54.49