Fair Value - Fair Value Measurement (Detail) - Mortgage Banking - Level 2 - Fair Value, Measurements, Recurring - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
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| Rate lock commitments | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Notional or Principal Amount | $ 1,707,835 | $ 2,006,907 |
| Total fair value measurement gain/(loss) | 37,279 | 9,196 |
| Forward sales contracts | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Notional or Principal Amount | 1,430,400 | 2,140,042 |
| Total fair value measurement gain/(loss) | 112 | 5,700 |
| Mortgage loans held for sale | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Notional or Principal Amount | 557,540 | 352,489 |
| Loan, Mortgage, Held-for-Sale, Fair Value Disclosure | $ 571,596 | $ 355,209 |
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- Definition Amount of realized and unrealized gain (loss) of derivative instruments not designated or qualifying as hedging instruments. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Nominal or face amount used to calculate payment on derivative. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Fair value portion of mortgage loans held-for-sale. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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