DERIVATIVES AND HEDGING - Schedule of Impact of Derivatives Held by Consolidated Funds (Details) - Consolidated VIEs - Not Designated as Hedging Instrument - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Derivatives, Fair Value [Line Items]
Net Realized Gain (Loss) on Investments	$ 6,067	$ 3,936
Net Change in Unrealized Appreciation (Depreciation) on Investments	(26,635)	4,399
Foreign-currency forward contracts
Derivatives, Fair Value [Line Items]
Net Realized Gain (Loss) on Investments	5,455	(351)
Net Change in Unrealized Appreciation (Depreciation) on Investments	(25,471)	5,735
Total-return and interest-rate and credit default swaps
Derivatives, Fair Value [Line Items]
Net Realized Gain (Loss) on Investments	(627)	0
Net Change in Unrealized Appreciation (Depreciation) on Investments	716	633
Options and futures
Derivatives, Fair Value [Line Items]
Net Realized Gain (Loss) on Investments	1,239	(206)
Net Change in Unrealized Appreciation (Depreciation) on Investments	(1,880)	(388)
Commodity swaps
Derivatives, Fair Value [Line Items]
Net Realized Gain (Loss) on Investments	0	4,493
Net Change in Unrealized Appreciation (Depreciation) on Investments	$ 0	$ (1,581)

The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of derivative instruments, including options, swaps, futures, and forward contracts, held at each balance sheet date, that was included in earnings for the period.