VARIABLE INTEREST ENTITIES - Unconsolidated VIEs (Details) - USD ($) $ in Thousands |
9 Months Ended | 12 Months Ended | |
|---|---|---|---|
Sep. 30, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
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| Variable Interest Entity [Line Items] | |||
| UPB of securitization collateral | $ 11,298,223 | $ 8,096,883 | $ 5,195,599 |
| UPB number of days delinquent | 60 days | 60 days | |
| Variable Interest Entity, Not Primary Beneficiary | |||
| Variable Interest Entity [Line Items] | |||
| UPB of securitization collateral | $ 4,595,629 | $ 2,785,341 | $ 716,986 |
| Weighted average delinquency | 0.70% | 0.40% | 0.40% |
| Face amount of debt held by third parties | $ 4,165,312 | $ 2,586,297 | $ 632,602 |
| Maximum exposure | $ 299,322 | $ 201,512 | $ 43,333 |
| UPB number of days delinquent | 60 days | ||
| X | ||||||||||
- Definition Financing Receivable, Excluding Accrued Interest, Number of Days Delinquent No definition available.
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- Definition Loan, Managed and Securitized or Asset-Backed Financing Arrangement, Weighted Average Delinquency Rate No definition available.
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- Definition This is the sum of principal amount outstanding for both securitized and unsecuritized loans of all types. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The principal amount of the receivable or note before consideration of the discount or premium. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition The reporting entity's maximum amount of exposure to loss as a result of its involvement with the Variable Interest Entity (VIE). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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/disclosureRef
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- Details
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