VARIABLE INTEREST ENTITIES - Schedule of Impacts of Deconsolidation of Oaktree Capital I (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Jul. 01, 2024	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Variable Interest Entity [Line Items]
Total assets	$ (7,073,432)	$ (1,957,733)	$ (7,555,933)
Total liabilities	(1,602,984)	(1,333,980)	(1,634,479)
Non-controlling redeemable interests in consolidated funds	(3,069,084)		(3,336,548)	$ (2,182,414)	$ (1,723,294)
Non-controlling interest in consolidated subsidiaries	(7,765)		(333,195)
Accumulated other comprehensive loss	0		13,096
Total unitholders’ capital	(2,401,364)		(2,584,906)	$ (1,906,638)	$ (2,272,602)
Total liabilities and capital	(7,073,432)		(7,555,933)
Related Party
Variable Interest Entity [Line Items]
Due from affiliates	(227)		(232,485)
Accounts payable and accrued expenses and due to affiliates	$ (200)		$ (62,759)
Oaktree Capital I
Variable Interest Entity [Line Items]
Cash and cash-equivalents		(8,805)
U.S. Treasury and government agency securities		(170,000)
Receivables and other assets		(58,517)
Due from affiliates		(8,543)
Assets of consolidated funds		(1,711,868)
Debt obligations		(213,161)
Liabilities of consolidated funds		(1,021,629)
Non-controlling redeemable interests in consolidated funds		(339,111)
Non-controlling interest in consolidated subsidiaries		(283,685)
Accumulated other comprehensive loss		(957)
Total unitholders’ capital		(284,642)
Total liabilities and capital		(1,957,733)
Oaktree Capital I | Nonrelated Party
Variable Interest Entity [Line Items]
Accounts payable and accrued expenses and due to affiliates		(49,176)
Oaktree Capital I | Related Party
Variable Interest Entity [Line Items]
Accounts payable and accrued expenses and due to affiliates		$ (50,014)