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Loans and Allowance for Loan Losses - Restructured Loans (Details)
$ in Thousands
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2023
USD ($)
loans
Sep. 30, 2023
USD ($)
loans
Dec. 31, 2022
USD ($)
Financing Receivable, Troubled Debt Restructuring [Line Items]      
Restructured loans     $ 897
Amortization Period Extension      
Financing Receivable, Troubled Debt Restructuring [Line Items]      
Restructured loans   $ 343  
Commercial loans | Amortization Period Extension      
Financing Receivable, Troubled Debt Restructuring [Line Items]      
Restructured loans   343  
Commercial Portfolio Segment      
Financing Receivable, Troubled Debt Restructuring [Line Items]      
Restructured loans $ 80 $ 358  
Number of loans | loans 2 4  
Commercial Portfolio Segment | Amortization Period Extension      
Financing Receivable, Troubled Debt Restructuring [Line Items]      
Restructured loans $ 15 $ 293  
Commercial Portfolio Segment | Interest Rate Reduction      
Financing Receivable, Troubled Debt Restructuring [Line Items]      
Restructured loans 0 0  
Commercial Portfolio Segment | Combination      
Financing Receivable, Troubled Debt Restructuring [Line Items]      
Restructured loans 65 65  
Commercial Portfolio Segment | Commercial loans      
Financing Receivable, Troubled Debt Restructuring [Line Items]      
Restructured loans $ 80 $ 358  
Number of loans | loans 2 4  
Total financing receivables, percentage 0.02% 0.09%  
Commercial Portfolio Segment | Commercial loans | Amortization Period Extension      
Financing Receivable, Troubled Debt Restructuring [Line Items]      
Restructured loans $ 15 $ 293  
Commercial Portfolio Segment | Commercial loans | Interest Rate Reduction      
Financing Receivable, Troubled Debt Restructuring [Line Items]      
Restructured loans 0 0  
Commercial Portfolio Segment | Commercial loans | Combination      
Financing Receivable, Troubled Debt Restructuring [Line Items]      
Restructured loans $ 65 $ 65