Derivatives - Schedule of TBA Agency Securities (Details) - USD ($) $ in Thousands |
Mar. 31, 2025 |
Dec. 31, 2024 |
|---|---|---|
| Derivative [Line Items] | ||
| Notional Amount | $ 8,382,000 | $ 7,232,000 |
| TBA Agency Securities | ||
| Derivative [Line Items] | ||
| Notional Amount | 900,000 | |
| Cost Basis | 917,703 | |
| Fair Value | $ 917,895 | |
| TBA Agency Securities, 30-year, 6.0% | ||
| Derivative [Line Items] | ||
| Fixed interest rate (as percent) | 6.00% | |
| Notional Amount | $ 600,000 | |
| Cost Basis | 608,734 | |
| Fair Value | $ 608,649 | |
| TBA Agency Securities, 30-year, 6.5% | ||
| Derivative [Line Items] | ||
| Fixed interest rate (as percent) | 6.50% | |
| Notional Amount | $ 300,000 | |
| Cost Basis | 308,969 | |
| Fair Value | $ 309,246 |