Mortgage Servicing Rights - Schedule of Activity Related to MSRs (Detail) - USD ($) $ in Thousands |
3 Months Ended | 12 Months Ended |
|---|---|---|
Mar. 31, 2026 |
Dec. 31, 2025 |
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| Servicing Asset [Roll Forward] | ||
| Beginning balance, as of January 1, 2026 | $ 212,216 | $ 0 |
| Acquired MSRs at July 1, 2025 | 211,545 | |
| Additions | 8,639 | 26,295 |
| Amortization | (10,085) | (19,434) |
| Impairment reversal | 2,601 | |
| Impairment | 0 | (2,590) |
| Prepayments and write-offs | (1,517) | (3,600) |
| Ending balance, as of March 31, 2026 | $ 211,854 | $ 212,216 |
| X | ||||||||||
- Definition Servicing Asset at Amortized Cost, Impairment Reversal No definition available.
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| X | ||||||||||
- Definition The cash outflow to obtain servicing rights, which contractually entitle the servicer to receive fees and ancillary revenues for performing billing, collection, disbursement and recordkeeping services in connection with a mortgage portfolio. Rights may be obtained via (1) acquisition or assumption of a servicing obligation that does not relate to financial assets of the servicer or its consolidated affiliates; or (2) by originating mortgage loans and then (a) transferring the loans to a Variable Interest Entity (VIE) in a transaction that meets the necessary transfer and classification requirements, or (b) transferring the loans in a transaction that meets the requirements for sale accounting. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Aggregate amount of servicing assets that are subsequently measured at fair value and servicing assets that are subsequently measured using the amortization method. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of other-than-temporary impairment (OTTI) applied to contract to service financial assets under which the benefits of servicing are expected to more than adequately compensate the servicer. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of additions from purchases, assumption or transfer to contract to service financial assets under which the benefits of servicing are expected to more than adequately compensate the servicer. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of amortization of contract to service financial assets under which the benefits of servicing are expected to more than adequately compensate the servicer. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available.
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- Definition Amount of other increase (decrease) to contract to service financial assets under which the benefits of servicing are expected to more than adequately compensate the servicer. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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