INVESTMENTS - Schedule of Equity Method Investments Net Other Income (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2026	Mar. 31, 2025
Investments in and Advances to Affiliates [Abstract]
Total net investment income and net realized and unrealized gains related to equity method investments	$ 33,584	$ 30,964

Amount of income (loss) for proportionate share of equity method investee's income (loss).

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