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Loans and Allowance for Credit Losses - Amortized Cost of Loans to Borrowers, Modified (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Financing receivable, modified in period | $ 31,083 | $ 2,211
% of Portfolio Segment | 0.41% |
Term Extension (2) |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Financing receivable, modified in period | $ 30,894 | 610
Term Extension and Interest Rate Reduction |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Financing receivable, modified in period | 189 |
Commercial Loans | Commercial real estate |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Financing receivable, modified in period | $ 13,836 | 0
% of Portfolio Segment | 0.52% |
Commercial Loans | Commercial real estate | Term Extension (2) |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Financing receivable, modified in period | $ 13,836 | 0
Commercial Loans | Commercial real estate | Term Extension and Interest Rate Reduction |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Financing receivable, modified in period | 0 |
Commercial Loans | Commercial and industrial |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Financing receivable, modified in period | $ 16,877 | 0
% of Portfolio Segment | 1.18% |
Commercial Loans | Commercial and industrial | Term Extension (2) |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Financing receivable, modified in period | $ 16,877 | 0
Commercial Loans | Commercial and industrial | Term Extension and Interest Rate Reduction |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Financing receivable, modified in period | 0 |
Commercial Loans | Commercial construction |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Financing receivable, modified in period | $ 0 | 0
% of Portfolio Segment | 0.00% |
Commercial Loans | Commercial construction | Term Extension (2) |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Financing receivable, modified in period | $ 0 | 0
Commercial Loans | Commercial construction | Term Extension and Interest Rate Reduction |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Financing receivable, modified in period | 0 |
Business Banking |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Financing receivable, modified in period | $ 120 |
% of Portfolio Segment | 0.01% |
Business Banking | Term Extension (2) |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Financing receivable, modified in period | $ 120 |
Business Banking | Term Extension and Interest Rate Reduction |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Financing receivable, modified in period | 0 |
Consumer Loans | Consumer real estate |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Financing receivable, modified in period | $ 250 | 2,046
% of Portfolio Segment | 0.01% |
Consumer Loans | Consumer real estate | Term Extension (2) |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Financing receivable, modified in period | $ 61 | $ 610
Consumer Loans | Consumer real estate | Term Extension and Interest Rate Reduction |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Financing receivable, modified in period | $ 189 |

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