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Loans and Allowance for Credit Losses - Financial Impact of Modifications (Details) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023
Commercial Loans | Commercial real estate |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Weighted-Average Term Extension (in months) | 8 months | 9 months | 8 months | 7 months
Weighted-Average Interest Rate Reduction |  | 0.00% |  | 0.00%
Commercial Loans | Commercial and industrial |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Weighted-Average Term Extension (in months) | 10 months | 3 months | 10 months | 9 months
Weighted-Average Interest Rate Reduction |  | 0.00% |  | 0.00%
Financing Receivable, Modified, Payment Deferral, Period | 6 months |  | 6 months |
Commercial Loans | Commercial construction |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Weighted-Average Term Extension (in months) |  | 5 months |  | 5 months
Weighted-Average Interest Rate Reduction |  | 0.00% |  | 0.00%
Business banking |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Weighted-Average Term Extension (in months) |  | 5 months | 19 months | 5 months
Weighted-Average Interest Rate Reduction |  | 0.00% |  | 0.00%
Consumer Loans | Consumer real estate |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Weighted-Average Term Extension (in months) | 68 months |  | 68 months | 168 months
Weighted-Average Interest Rate Reduction |  | 0.00% |  | 2.00%

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