INVESTMENTS - Schedule of Investments in Managed Funds and Unconsolidated Joint Ventures (Details) - USD ($) $ in Thousands |
Jun. 30, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Investments, All Other Investments [Abstract] | ||
| Investments in managed funds — at fair value | $ 397,323 | $ 447,262 |
| Investments in managed funds — at cost | 13,925 | 21,366 |
| Investments in unconsolidated joint ventures — at fair value | 196,861 | 56,556 |
| Total investments in managed funds and unconsolidated joint ventures | $ 608,109 | $ 525,184 |