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Loans and Allowance for Credit Losses - Interest Rate Reduction and Term Extension on Modified Loans (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Amortization Cost Basis |  |  | $ 30,100 |
Combination-Term Extension and Interest Rate Reduction |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Amortization Cost Basis | $ 622 | $ 0 | 1,941 | $ 0
Term Extension |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Amortization Cost Basis | 3,232 | $ 3,060 |  | 7,965
Real estate - residential mortgage |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Amortization Cost Basis |  |  | $ 8,643 |
% of Class of Financing Receivable |  |  | 0.14% |
Loan modifications, added weighted average life (in years) |  | 4 years 5 months 26 days | 8 years 5 months 4 days |
Real estate - residential mortgage | Combination-Term Extension and Interest Rate Reduction |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Amortization Cost Basis | $ 622 | $ 0 | $ 1,941 | $ 0
% of Class of Financing Receivable | 0.01% | 0.00% | 0.03% | 0.00%
Real estate - residential mortgage | Term Extension |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Amortization Cost Basis | $ 2,976 | $ 1,933 |  | $ 5,343
% of Class of Financing Receivable | 0.05% | 0.04% |  | 0.10%
Loan modifications, added weighted average life (in years) | 10 years 2 months 19 days |  |  | 4 years 6 months 29 days
Real estate - residential mortgage | Minimum | Interest Rate Reduction |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Loan modifications, weighted average interest rate decrease | 4.02% |  | 2.86% |
Real estate - residential mortgage | Maximum | Interest Rate Reduction |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Loan modifications, weighted average interest rate decrease | 2.49% |  | 1.71% |
Real-estate - construction |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Loan modifications, added weighted average life (in years) |  |  | 8 months 1 day |
Real-estate - construction | Term Extension |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Amortization Cost Basis |  |  | $ 605 | $ 0
% of Class of Financing Receivable |  |  |  | 0.00%
Real estate - commercial mortgage |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Amortization Cost Basis |  |  | $ 20,458 |
% of Class of Financing Receivable |  |  | 0.22% |
Loan modifications, added weighted average life (in years) |  | 6 months | 2 years |
Real estate - commercial mortgage | Term Extension |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Amortization Cost Basis | $ 0 | $ 1,120 |  | $ 2,556
% of Class of Financing Receivable | 0.00% | 0.01% |  | 0.03%
Loan modifications, added weighted average life (in years) |  |  |  | 2 years 5 months 4 days
Commercial and Industrial |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Amortization Cost Basis |  |  | $ 0 |
% of Class of Financing Receivable |  |  | 0.00% |
Loan modifications, added weighted average life (in years) |  | 11 months 1 day |  |
Commercial and Industrial | Term Extension |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Amortization Cost Basis | $ 0 | $ 7 |  | $ 66
% of Class of Financing Receivable | 0.00% | 0.00% |  | 0.00%
Loan modifications, added weighted average life (in years) |  |  |  | 3 years 9 months 3 days
Home Equity Loan | Term Extension |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Amortization Cost Basis | $ 256 | $ 0 | $ 394 | $ 0
% of Class of Financing Receivable | 0.02% | 0.00% | 0.03% | 0.00%
Loan modifications, added weighted average life (in years) | 12 years 4 months 24 days |  | 14 years 3 months 21 days |

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