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Commitments and Contingencies - Commitments to Extend Credit and Letters of Credit (Details) - USD ($)
$ in Thousands
Apr. 13, 2022
Mar. 31, 2022
Dec. 31, 2021
Mar. 31, 2021
Subsequent Event        
Loan Commitments and Letters of Credit [Line Items]        
Loss contingency accrual $ 1,500      
Commitments to Extend Credit        
Loan Commitments and Letters of Credit [Line Items]        
Notional Amount   $ 438,055 $ 402,280 $ 437,920
Fair Value   0 0 0
Standby Letters of Credit        
Loan Commitments and Letters of Credit [Line Items]        
Notional Amount   3,351 3,223 3,775
Fair Value   $ 23 $ 24 $ 12
Minimum | Standby Letters of Credit        
Loan Commitments and Letters of Credit [Line Items]        
Loan commitments, fixed fee percent   1.00%    
Maximum | Standby Letters of Credit        
Loan Commitments and Letters of Credit [Line Items]        
Loan commitments, fixed fee percent   3.00%