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Mortgage Banking - Additional Information (Details) $ in Thousands | 12 Months Ended
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Dec. 31, 2025 USD ($) CPR | Dec. 31, 2024 USD ($) CPR | Dec. 31, 2023 USD ($)
Schedule of changes in the reserve for mortgage loan [Abstract] |  |  |
Assumed average prepayment speed | CPR | 9 | 8 |
Average discount rate | 10.66% | 10.65% |
Annual servicing fee | $ 28,700 | $ 28,000 | $ 26,900
Servicing fee income percentage of outstanding balance of underlying loans | 0.32% |  |
Mortgage servicing rights [Abstract] |  |  |
Residential mortgage loans sold | $ 1,158,000 | 1,141,000 | 1,136,000
Gains on sale of mortgage banking | 20,000 | 19,300 | 15,300
Mortgage loan servicing putback expenses | $ 0 | 0 | $ 0
Period of putback response | 60 days |  |
Reserve for mortgage loan servicing putback expenses | $ 500 | $ 500 |

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- Definition The estimated speed of prepayments of principal on financial assets which may be one of the factors applied in estimating the fair value of servicing assets and servicing liabilities not shown as a percentage, measured in CPR (conditional prepayment rate). + References No definition available. + Details
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- Definition The net gain (loss) resulting from a sale of loans, including adjustments to record loans classified as held-for-sale at the lower-of-cost-or-market and fair value adjustments to loan held for investment purposes. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(13)(h)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478524/942-220-S99-1 + Details
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