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Derivative Instruments - Schedule of Initial Margin (Details) - USD ($) $ in Thousands | Jun. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |
Margin deposit assets, initial amount | $ 107,658 | $ 101,652
Restricted Cash |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |
Margin deposit assets, initial amount | 55,813 | 68,253
Agency RMBS |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |
Margin deposit assets, initial amount | $ 51,845 | $ 33,399

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