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Commitments, Contingencies and Off-Balance-Sheet Risk (Tables)
12 Months Ended
Dec. 31, 2021
Commitments and Contingencies Disclosure [Abstract]  
Contractual Amounts of Financial Instruments with Off-Balance-Sheet Risk
The contractual amount of financial instruments with off-balance-sheet risk was as follows at year-end.
 
    
2021
    
2020
 
    
Fixed

Rate
    
Variable

Rate
    
Fixed

Rate
    
Variable

Rate
 
Commitments to extend credit:
                                   
Lines of credit and construction loans
   $ 33,542      $ 455,777      $ 38,474      $ 427,864  
Overdraft protection
     7        54,034        6        41,707  
Letters of credit
     615        731        615        986  
    
 
 
    
 
 
    
 
 
    
 
 
 
     $     34,164      $   510,542      $     39,095      $   470,557