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Employee Benefits (Tables)
12 Months Ended
Dec. 31, 2020
Employee Benefits [Abstract]  
Contributions to ESOP Trust
In addition, the subsidiaries made contributions to its ESOP Trust as follows:

  
Years ended December 31
 
  
2020
  
2019
  
2018
 
          
Number of shares issued
  
----
   
8,333
   
7,294
 
             
Fair value of stock contributed
 
$
----
  
$
328
  
$
295
 
             
Cash contributed
  
614
   
500
   
500
 
             
Total expense
 
$
614
  
$
828
  
$
795