DERIVATIVES AND HEDGING - Schedule of Balance Sheet Offsetting (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Derivative Assets:
Foreign-currency forward contracts included in other assets	$ 33,349	$ 17,741
Gross Amounts Not Offset in Statements of Financial Condition, Derivative Assets	0	510
Gross Amounts Not Offset in Statements of Financial Condition, Cash Collateral Received	0	0
Net Amount	33,349	17,231
Derivative Liabilities:
Gross Amounts of Liabilities Presented	(13,385)	(30,750)
Gross Amounts Not Offset in Statements of Financial Condition,, Derivative Liabilities	0	(510)
Gross Amounts Not Offset in Statements of Financial Condition, Cash Collateral Pledged	0	0
Net Amount	(13,385)	(30,240)
Oaktree | Foreign-currency forward contracts
Derivative Assets:
Foreign-currency forward contracts included in other assets		8,608
Gross Amounts Not Offset in Statements of Financial Condition, Derivative Assets		510
Gross Amounts Not Offset in Statements of Financial Condition, Cash Collateral Received		0
Net Amount		8,098
Derivative Liabilities:
Gross Amounts of Liabilities Presented		(8,520)
Gross Amounts Not Offset in Statements of Financial Condition,, Derivative Liabilities		(510)
Gross Amounts Not Offset in Statements of Financial Condition, Cash Collateral Pledged		0
Net Amount		(8,010)
Consolidated Funds
Derivative Assets:
Foreign-currency forward contracts included in other assets	33,349	9,133
Gross Amounts Not Offset in Statements of Financial Condition, Derivative Assets	0	0
Gross Amounts Not Offset in Statements of Financial Condition, Cash Collateral Received	0	0
Net Amount	33,349	9,133
Derivative Liabilities:
Gross Amounts of Liabilities Presented	(13,385)	(22,230)
Gross Amounts Not Offset in Statements of Financial Condition,, Derivative Liabilities	0	0
Gross Amounts Not Offset in Statements of Financial Condition, Cash Collateral Pledged	0	0
Net Amount	(13,385)	(22,230)
Consolidated Funds | Foreign-currency forward contracts
Derivative Assets:
Foreign-currency forward contracts included in other assets	17,578	475
Gross Amounts Not Offset in Statements of Financial Condition, Derivative Assets	0	0
Gross Amounts Not Offset in Statements of Financial Condition, Cash Collateral Received	0	0
Net Amount	17,578	475
Derivative Liabilities:
Gross Amounts of Liabilities Presented	(8,513)	(21,659)
Gross Amounts Not Offset in Statements of Financial Condition,, Derivative Liabilities	0	0
Gross Amounts Not Offset in Statements of Financial Condition, Cash Collateral Pledged	0	0
Net Amount	(8,513)	(21,659)
Consolidated Funds | Total-return and interest-rate and credit default swaps
Derivative Assets:
Foreign-currency forward contracts included in other assets	15,771	8,658
Gross Amounts Not Offset in Statements of Financial Condition, Derivative Assets	0	0
Gross Amounts Not Offset in Statements of Financial Condition, Cash Collateral Received	0	0
Net Amount	15,771	8,658
Derivative Liabilities:
Gross Amounts of Liabilities Presented	(19)
Gross Amounts Not Offset in Statements of Financial Condition,, Derivative Liabilities	0
Gross Amounts Not Offset in Statements of Financial Condition, Cash Collateral Pledged	0
Net Amount	(19)
Consolidated Funds | Options and futures
Derivative Liabilities:
Gross Amounts of Liabilities Presented	(4,853)	571
Gross Amounts Not Offset in Statements of Financial Condition,, Derivative Liabilities	0	0
Gross Amounts Not Offset in Statements of Financial Condition, Cash Collateral Pledged	0	0
Net Amount	$ (4,853)	$ 571