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v3.25.3

Derivative Instruments - Activity of Derivative Instruments Not Designated as Hedges (Details) - Trading - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Interest rate caps |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Roll Forward] |  |  |  |
Beginning balance | $ 45,142 | $ 263,142 | $ 45,142 | $ 550,025
Additions/ Transfers In | 0 | 0 | 45,142 | 177,044
Terminations/Pair-Offs | 0 | 0 | (45,142) | (463,927)
Ending balance | 45,142 | 263,142 | 45,142 | 263,142
Options |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Roll Forward] |  |  |  |
Beginning balance | 0 | 80 | 0 | 0
Additions/ Transfers In | 349 | 0 | 601 | 382
Terminations/Pair-Offs | (185) | (80) | (437) | (382)
Ending balance | 164 | 0 | 164 | 0
TBAs |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Roll Forward] |  |  |  |
Beginning balance | 10,000 |  | 0 |
Additions/ Transfers In | 130,000 |  | 150,000 |
Terminations/Pair-Offs | (110,000) |  | (120,000) |
Ending balance | 30,000 |  | 30,000 |
Interest rate swaps |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Roll Forward] |  |  |  |
Beginning balance | 4,867,217 | 2,972,030 | 4,134,267 | 2,778,015
Additions/ Transfers In | 1,117,681 | 881,235 | 3,373,016 | 1,974,659
Terminations/Pair-Offs | (1,205,090) | (550,952) | (2,727,475) | (1,450,361)
Ending balance | 4,779,808 | 3,302,313 | 4,779,808 | 3,302,313
Credit default swaps |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Roll Forward] |  |  |  |
Beginning balance | 475,000 | 400,000 | 400,000 | 0
Additions/ Transfers In | 0 | 0 | 75,000 | 400,000
Terminations/Pair-Offs | 0 | 0 | 0 | 0
Ending balance | 475,000 | 400,000 | 475,000 | 400,000
Futures |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Roll Forward] |  |  |  |
Beginning balance | 247,500 | 67,000 | 406,100 | 0
Additions/ Transfers In | 1,051,727 | 0 | 1,521,127 | 498,950
Terminations/Pair-Offs | (673,500) | (67,000) | (1,301,500) | (498,950)
Ending balance | $ 625,727 | $ 0 | $ 625,727 | $ 0

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