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Loans and Allowance for Credit Losses - Narrative (Details) - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2023
Dec. 31, 2022
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Consumer mortgage loans secured by residential real estate properties for which formal foreclosure proceedings are in process $ 569 $ 1,101
Maximum | Commercial real estate    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Financing receivable term 20 years  
Loan-to-value ratio (no greater than) 80.00%  
Maximum | Residential mortgage    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Financing receivable term 30 years  
Loan-to-value ratio (no greater than) 80.00%  
Loan-to-value ratio that requires private mortgage insurance (in excess of) 80.00%  
Maximum | Home equity lines of credit    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Financing receivable term 20 years  
Loan-to-value ratio (no greater than) 90.00%