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Short-Term Borrowings (Tables)
12 Months Ended
Dec. 31, 2021
Debt Disclosure [Abstract]  
Summary of Federal Funds Purchased and Other Short-term Borrowings
Short-term borrowings, which consist of federal funds purchased and other short-term borrowings are summarized as follows:
 
   
At December 31, 2021
    
At December 31, 2020
 
   
Federal

Funds

Purchased
   
Short-term

Borrowings
    
Federal

Funds

Purchased
   
Short-term

Borrowings
 
Outstanding balance at year end
  $         —     $         —      $         —     $         —  
Maximum indebtedness during the year
    50,000              50,000       102,700  
Average balance during the year
    137              228       8,151  
Average rate paid during the year
    0.73            0.35     1.64
Interest rate on year end balance
                        
 
   
At December 31, 2019
 
   
Federal

Funds

Purchased
   
Short-term

Borrowings
 
Outstanding balance at year end
  $     $ 101,500  
Maximum indebtedness during the year
    20,000       192,700  
Average balance during the year
    137       112,088  
Average rate paid during the year
    2.19     2.32
Interest rate on year end balance
          1.63