Principal-Only Stripped Mortgage-Backed Securities - summary of the Company investment in principal-only stripped MBS (Details) - USD ($) $ in Thousands |
6 Months Ended | |||||
|---|---|---|---|---|---|---|
Jun. 30, 2026 |
Mar. 31, 2026 |
Dec. 31, 2025 |
Jun. 30, 2025 |
Mar. 31, 2025 |
Dec. 31, 2024 |
|
| Mortgage-backed securities | ||||||
| Fair Value | $ 609,103 | $ 722,528 | ||||
| Principal-Only-Strip MBS | ||||||
| Mortgage-backed securities | ||||||
| Principal balance | 754,523 | 868,350 | ||||
| Unearned discount | (147,856) | (151,382) | ||||
| Cumulative valuation change | 2,436 | 5,560 | ||||
| Fair Value | $ 609,103 | $ 659,235 | $ 722,528 | $ 784,958 | $ 817,596 | $ 825,865 |
| Contractual maturities term | 10 years |