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Loans and Allowance for Credit Losses (Provides Detail by Portfolio Class for Reportable MEFDs) (Details) - Modified Loans To Borrowers Experiencing Financial Difficulty [Member] - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2026 | Mar. 31, 2025 | Dec. 31, 2025
Financing Receivable, Modifications [Line Items] |  |  |
Total reportable modified loans, Balance | $ 142,800 |  | $ 162,800
Term Extension [Member] |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Total reportable modified loans, Balance | 7,451 | $ 58,233 |
Reportable modified loans percentage of portfolio class |  | 0.25% |
Term Extension [Member] | Residential Mortgages [Member] |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Total reportable modified loans, Balance | $ 3,949 | $ 13,167 |
Reportable modified loans percentage of portfolio class | 0.10% | 0.33% |
Term Extension [Member] | Consumer [Member] |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Total reportable modified loans, Balance | $ 31 |  |
Reportable modified loans percentage of portfolio class | 0.00% |  |
Significant Payment Delay [Member] |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Total reportable modified loans, Balance | $ 16,305 | $ 609 |
Reportable modified loans percentage of portfolio class | 0.07% | 0.00% |
Significant Payment Delay [Member] | Residential Mortgages [Member] |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Total reportable modified loans, Balance |  | $ 412 |
Reportable modified loans percentage of portfolio class |  | 0.01% |
Term Extensions and Significant Payment Delay [Member] |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Total reportable modified loans, Balance | $ 7,425 |  |
Reportable modified loans percentage of portfolio class | 0.03% |  |
Other [Member] |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Total reportable modified loans, Balance | $ 263 |  |
Reportable modified loans percentage of portfolio class | 0.00% |  |
Other [Member] | Residential Mortgages [Member] |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Total reportable modified loans, Balance | $ 263 |  |
Reportable modified loans percentage of portfolio class | 0.01% |  |
Total Commercial And Industrial [Member] | Term Extension [Member] |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Total reportable modified loans, Balance | $ 3,471 | $ 45,066 |
Reportable modified loans percentage of portfolio class | 0.03% | 0.36% |
Total Commercial And Industrial [Member] | Term Extension [Member] | Commercial Non-Real Estate [Member] |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Total reportable modified loans, Balance | $ 3,471 | $ 44,700 |
Reportable modified loans percentage of portfolio class | 0.04% | 0.46% |
Total Commercial And Industrial [Member] | Term Extension [Member] | Commercial Real Estate - Owner Occupied [Member] |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Total reportable modified loans, Balance |  | $ 366 |
Reportable modified loans percentage of portfolio class |  | 0.01% |
Total Commercial And Industrial [Member] | Significant Payment Delay [Member] |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Total reportable modified loans, Balance | $ 16,305 | $ 197 |
Reportable modified loans percentage of portfolio class | 0.13% | 0.00% |
Total Commercial And Industrial [Member] | Significant Payment Delay [Member] | Commercial Non-Real Estate [Member] |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Total reportable modified loans, Balance | $ 16,305 | $ 197 |
Reportable modified loans percentage of portfolio class | 0.17% | 0.00% |
Total Commercial And Industrial [Member] | Term Extensions and Significant Payment Delay [Member] |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Total reportable modified loans, Balance | $ 7,425 |  |
Reportable modified loans percentage of portfolio class | 0.06% |  |
Total Commercial And Industrial [Member] | Term Extensions and Significant Payment Delay [Member] | Commercial Non-Real Estate [Member] |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Total reportable modified loans, Balance | $ 7,425 |  |
Reportable modified loans percentage of portfolio class | 0.08% |  |

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