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Loans and the Allowance for Credit Losses - Summary of Details of Portfolio Loans Modified by Loan Category (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Financing Receivable, Modified [Line Items] |  |  |  |
Modifications loans | $ 63,848 | $ 23,995 | $ 113,695 | $ 50,019
Percentage of total by loan category | 0.30% | 0.20% | 0.60% | 0.40%
Term Extension [Member] |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |
Modifications loans | $ 60,721 | $ 1,870 | $ 105,292 | $ 26,629
Interest Rate Reduction [Member] |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |
Modifications loans |  |  | 9 |
Payment Delay [Member] |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |
Modifications loans | 3,127 | 22,125 | 8,152 | 23,390
Term Extension and Rate Reduction [Member] |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |
Modifications loans |  |  | 242 |
Home Equity [Member] |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |
Modifications loans | $ 761 | $ 638 | $ 1,474 | $ 1,023
Percentage of total by loan category | 0.10% | 0.10% | 0.10% | 0.10%
Home Equity [Member] | Payment Delay [Member] |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |
Modifications loans | $ 761 | $ 638 | $ 1,474 | $ 1,023
Residential Real Estate [Member] |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |
Modifications loans | 1,939 | $ 1,273 | $ 4,390 | $ 1,990
Percentage of total by loan category |  | 0.10% | 0.10% | 0.10%
Residential Real Estate [Member] | Payment Delay [Member] |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |
Modifications loans | 1,939 | $ 1,273 | $ 4,390 | $ 1,990
Consumer [Member] |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |
Modifications loans | $ 427 | $ 182 | $ 806 | $ 345
Percentage of total by loan category | 0.10% | 0.10% | 0.20% | 0.20%
Consumer [Member] | Payment Delay [Member] |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |
Modifications loans | $ 427 | $ 182 | $ 806 | $ 345
Commercial Real Estate - Land and Construction [Member] | Commercial Real Estate [Member] |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |
Modifications loans | $ 29,675 |  | $ 53,895 | 5
Percentage of total by loan category | 1.60% |  | 3.00% |
Commercial Real Estate - Land and Construction [Member] | Commercial Real Estate [Member] | Term Extension [Member] |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |
Modifications loans | $ 29,675 |  | $ 53,895 | 5
Commercial Real Estate - Improved Property [Member] | Commercial Real Estate [Member] |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |
Modifications loans | $ 30,601 | $ 20,448 | $ 48,199 | $ 44,784
Percentage of total by loan category | 0.30% | 0.30% | 0.50% | 0.70%
Commercial Real Estate - Improved Property [Member] | Commercial Real Estate [Member] | Term Extension [Member] |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |
Modifications loans | $ 30,601 | $ 666 | $ 46,484 | $ 25,002
Commercial Real Estate - Improved Property [Member] | Commercial Real Estate [Member] | Payment Delay [Member] |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |
Modifications loans |  | 19,782 | 1,473 | 19,782
Commercial Real Estate - Improved Property [Member] | Commercial Real Estate [Member] | Term Extension and Rate Reduction [Member] |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |
Modifications loans |  |  | 242 |
Commercial and Industrial [Member] |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |
Modifications loans | 445 | $ 1,454 | $ 4,931 | $ 1,872
Percentage of total by loan category |  | 0.10% | 0.20% | 0.10%
Commercial and Industrial [Member] | Term Extension [Member] |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |
Modifications loans | $ 445 | $ 1,204 | $ 4,913 | $ 1,622
Commercial and Industrial [Member] | Interest Rate Reduction [Member] |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |
Modifications loans |  |  | 9 |
Commercial and Industrial [Member] | Payment Delay [Member] |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |
Modifications loans |  | $ 250 | $ 9 | $ 250

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