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DERIVATIVE INSTRUMENTS - Schedule of Location and Amount of the Gain (Loss) Recognized (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Amount of gain (loss) recognized on derivatives | $ 174,026 | $ 125,041 | $ 529,785 | $ 63,323
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] | Net foreign exchange gains (losses), Net realized and unrealized gains (losses) on investments | Net foreign exchange gains (losses), Net realized and unrealized gains (losses) on investments | Net foreign exchange gains (losses), Net realized and unrealized gains (losses) on investments | Net foreign exchange gains (losses), Net realized and unrealized gains (losses) on investments
Derivative instruments not designated as hedges |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Amount of gain (loss) recognized on derivatives | $ 174,597 | $ 127,222 | $ 533,733 | $ 64,011
Derivative instruments not designated as hedges | Interest rate futures |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Amount of gain (loss) recognized on derivatives | (33,115) | 50,961 | 70,780 | (1,388)
Derivative instruments not designated as hedges | Foreign currency forward contracts |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Amount of gain (loss) recognized on derivatives | (4,027) | 16,885 | 40,907 | 20,958
Derivative instruments not designated as hedges | Foreign currency forward contracts |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Amount of gain (loss) recognized on derivatives | (2,388) | 12,803 | (5,263) | (7,049)
Derivative instruments not designated as hedges | Credit default swaps |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Amount of gain (loss) recognized on derivatives | (7,395) | (21,007) | 20,243 | (44,036)
Derivative instruments not designated as hedges | Equity futures |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Amount of gain (loss) recognized on derivatives | 77,954 | 10,409 | 112,654 | 10,419
Derivative instruments not designated as hedges | Warrants |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Amount of gain (loss) recognized on derivatives |  |  | 0 | (1,046)
Derivative instruments not designated as hedges | Commodity options |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Amount of gain (loss) recognized on derivatives | 0 | (1,427) | (2,602) | (3,676)
Derivative instruments not designated as hedges | Commodity futures |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Amount of gain (loss) recognized on derivatives | 143,568 | 58,598 | 297,014 | 89,829
Derivative instruments designated as hedges | Foreign currency forward contracts |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Accumulated other comprehensive income (loss) | $ (571) | $ (2,181) | $ (3,948) | $ (688)

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