DERIVATIVES AND HEDGING - Schedule of Impact of Derivatives Held by Consolidated Funds (Details) - Consolidated Funds - Not Designated as Hedging Instrument - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Derivatives, Fair Value [Line Items]
Net Realized Gain (Loss) on Investments	$ 10,879	$ 16,207	$ 12,816
Net Change in Unrealized Appreciation (Depreciation) on Investments	17,344	1,174	(14,672)
Foreign-currency forward contracts
Derivatives, Fair Value [Line Items]
Net Realized Gain (Loss) on Investments	337	898	43,145
Net Change in Unrealized Appreciation (Depreciation) on Investments	28,193	(14,909)	(10,777)
Total-return and interest-rate and credit default swaps
Derivatives, Fair Value [Line Items]
Net Realized Gain (Loss) on Investments	613	(235)	975
Net Change in Unrealized Appreciation (Depreciation) on Investments	(19)	328	284
Options and futures
Derivatives, Fair Value [Line Items]
Net Realized Gain (Loss) on Investments	1,440	4,382	13,322
Net Change in Unrealized Appreciation (Depreciation) on Investments	(2,176)	(569)	(223)
Commodity swaps
Derivatives, Fair Value [Line Items]
Net Realized Gain (Loss) on Investments	8,489	11,162	(44,626)
Net Change in Unrealized Appreciation (Depreciation) on Investments	$ (8,654)	$ 16,324	$ (3,956)