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Securitization and Variable Interest Entities - Schedule of Outstanding Value of Unconsolidated VIEs (Details) - USD ($) $ in Thousands | Jun. 30, 2026 | Dec. 31, 2025
--- | --- | ---
Variable Interest Entity [Line Items] |  |
Secured loans | $ 1,275,529 | $ 1,516,736
Servicing rights | 364,318 | 378,178
Secured loans |  |
Variable Interest Entity [Line Items] |  |
Secured loans | 615,195 | 873,981
Variable Interest Entity, Not Primary Beneficiary |  |
Variable Interest Entity [Line Items] |  |
Securitization investments | 248,117 | 144,627
Servicing rights | 51,060 | 72,077
Variable Interest Entity, Not Primary Beneficiary | Secured loans |  |
Variable Interest Entity [Line Items] |  |
Secured loans | $ 615,195 | $ 873,981

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