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Commitments and Contingent Liabilities (Tables)
 9 Months Ended
Sep. 30, 2022
Commitments and Contingencies Disclosure [Abstract]  
Financial Instruments Whose Contract Amounts Represent Off-Balance-Sheet Credit Risk
Financial instruments whose contract amounts represent off-balance-sheet credit risk at September 30, 2022 and December 31, 2021 were as follows (in thousands):
September 30, 2022December 31, 2021
Commitments to extend credit:
Commercial loans$35,675 82,578 
Other loans  
Fixed rate5,894 5,196 
Adjustable rate987 2,784 
Unused lines of credit:  
Fixed rate31,188 32,655 
Adjustable rate245,492 150,746 
Unused overdraft protection amounts on demand and NOW accounts16,687 16,711 
Standby letters of credit5 5 
Total commitments$335,928 290,675