Repurchase Agreements and Warehouse Facilities - Company's Repurchase Agreements (Details) - USD ($) $ in Thousands |
Dec. 31, 2025 |
Dec. 31, 2024 |
|---|---|---|
| Assets Sold under Agreements to Repurchase [Line Items] | ||
| Total carrying value | $ 6,753,417 | $ 4,012,225 |
| Investment securities | ||
| Assets Sold under Agreements to Repurchase [Line Items] | ||
| Total carrying value | 6,154,086 | 3,516,611 |
| Residential loans and real estate owned | ||
| Assets Sold under Agreements to Repurchase [Line Items] | ||
| Total carrying value | 462,127 | 428,399 |
| Residential loans held for sale | ||
| Assets Sold under Agreements to Repurchase [Line Items] | ||
| Total carrying value | 73,446 | 0 |
| Single-family rental properties | ||
| Assets Sold under Agreements to Repurchase [Line Items] | ||
| Total carrying value | $ 63,758 | $ 67,215 |