Net (Losses) Gains on Investments and Financings - Summary of Net (Losses) Gains on Investments and Financings (Details) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2026 |
Sep. 30, 2025 |
Sep. 30, 2026 |
Sep. 30, 2025 |
|
| Schedule Of Gain Loss On Investments Including Marketable Securities And Investments Held At Cost Income Statement Reported Amounts Summary [Line Items] | ||||
| Mortgage-backed securities | $ (166,947) | $ 37,572 | $ (199,928) | $ 116,991 |
| Loans held for investment | (531,924) | 48,480 | (626,215) | 90,820 |
| CRT arrangements | 10,002 | 13,742 | 33,624 | 32,192 |
| Asset-backed financings | 526,604 | (35,707) | 629,492 | (79,923) |
| Net gains on investments and financings | $ (162,265) | $ 64,087 | $ (163,027) | $ 160,080 |
| X | ||||||||||
- Definition Gain loss on asset backed financing at fair value. No definition available.
|
| X | ||||||||||
- Definition Gain loss on investments and financings. No definition available.
|
| X | ||||||||||
- Definition Gain (loss) on net derivative relates to credit risk transfer. No definition available.
|
| X | ||||||||||
- Definition Amount of unrealized and realized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity), investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale) and investment in debt security measured at fair value with change in fair value recognized in net income (trading). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition The gains (losses) included in earnings that represent the difference between the sale price and the carrying value of loans made to finance real estate acquisitions. This element refers to the gain (loss) and not to the cash proceeds of the sale. This element is a noncash adjustment to net income when calculating net cash generated by operating activities using the indirect method. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- 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/2009/role/commonPracticeRef
|