DERIVATIVES AND HEDGING - Schedule of Impact of Derivatives Held by Consolidated Funds (Details) - Not Designated as Hedging Instrument - Consolidated Funds - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Derivatives, Fair Value [Line Items]
Net Realized Gain (Loss) on Investments	$ (974)	$ (2,244)	$ 937	$ 3,823
Net Change in Unrealized Appreciation (Depreciation) on Investments	245	(35,741)	19,838	(62,376)
Foreign-currency forward contracts
Derivatives, Fair Value [Line Items]
Net Realized Gain (Loss) on Investments	(1,185)	(1,103)	(514)	4,352
Net Change in Unrealized Appreciation (Depreciation) on Investments	(1,471)	(39,021)	19,246	(64,492)
Total-return and interest-rate and credit default swaps
Derivatives, Fair Value [Line Items]
Net Realized Gain (Loss) on Investments	(88)	0	365	(627)
Net Change in Unrealized Appreciation (Depreciation) on Investments	(60)	(69)	(1,353)	647
Options and futures
Derivatives, Fair Value [Line Items]
Net Realized Gain (Loss) on Investments	402	(1,141)	1,189	98
Net Change in Unrealized Appreciation (Depreciation) on Investments	2,282	3,349	2,451	1,469
Commodity swaps
Derivatives, Fair Value [Line Items]
Net Realized Gain (Loss) on Investments	(103)	0	(103)	0
Net Change in Unrealized Appreciation (Depreciation) on Investments	$ (506)	$ 0	$ (506)	$ 0

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.