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REVENUES - Schedule of Revenues by Investment Types (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Schedule of Equity Method Investments [Line Items] |  |  |  |
Other investments, at fair value | $ 0 | $ 0 | $ 0 | $ 11,663
Total investment income | 39,321 | 25,279 | 43,106 | 60,033
Funds |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Equity-method investments: | 2,723 | 3,847 | (797) | 27,398
Companies |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Equity-method investments: | $ 36,598 | $ 21,432 | $ 43,903 | $ 20,972

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