DERIVATIVES AND HEDGING - Balance Sheet Offsetting (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Derivative Assets:
Gross Amounts of Assets Presented	$ 11,014	$ 24,077
Gross Amounts Not Offset in Statements of Financial Condition, Derivative Assets	115	1,279
Gross Amounts Not Offset in Statements of Financial Condition, Cash Collateral Received	0	0
Net Amount	10,899	22,798
Derivative Liabilities:
Gross Amounts of Liabilities Presented	(23,379)	(35,862)
Gross Amounts Not Offset in Statements of Financial Condition,, Derivative Liabilities	(115)	(1,279)
Gross Amounts Not Offset in Statements of Financial Condition, Cash Collateral Pledged	0	0
Net Amount	(23,264)	(34,583)
Oaktree Capital Group Excluding Consolidated Funds | Foreign-currency forward contracts
Derivative Assets:
Gross Amounts of Assets Presented	1,898	13,340
Gross Amounts Not Offset in Statements of Financial Condition, Derivative Assets	115	1,279
Gross Amounts Not Offset in Statements of Financial Condition, Cash Collateral Received	0	0
Net Amount	1,783	12,061
Derivative Liabilities:
Gross Amounts of Liabilities Presented	(2,137)	(11,840)
Gross Amounts Not Offset in Statements of Financial Condition,, Derivative Liabilities	(115)	(1,279)
Gross Amounts Not Offset in Statements of Financial Condition, Cash Collateral Pledged	0	0
Net Amount	(2,022)	(10,561)
Consolidated Funds
Derivative Assets:
Gross Amounts of Assets Presented	9,116	10,737
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	9,116	10,737
Derivative Liabilities:
Gross Amounts of Liabilities Presented	(21,242)	(24,022)
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	(21,242)	(24,022)
Consolidated Funds | Foreign-currency forward contracts
Derivative Assets:
Gross Amounts of Assets Presented	2,189	9,758
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	2,189	9,758
Derivative Liabilities:
Gross Amounts of Liabilities Presented	(19,486)	(16,356)
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	(19,486)	(16,356)
Consolidated Funds | Total-return and interest-rate and credit default swaps
Derivative Assets:
Gross Amounts of Assets Presented	6,130	700
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	6,130	700
Derivative Liabilities:
Gross Amounts of Liabilities Presented	(328)	(7,666)
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	(328)	(7,666)
Consolidated Funds | Options and futures
Derivative Assets:
Gross Amounts of Assets Presented	797	279
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	797	279
Derivative Liabilities:
Gross Amounts of Liabilities Presented	(1,428)
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	$ (1,428)
Consolidated Funds | Warrants
Derivative Liabilities:
Gross Amounts of Liabilities Presented		0
Gross Amounts Not Offset in Statements of Financial Condition,, Derivative Liabilities		0
Gross Amounts Not Offset in Statements of Financial Condition, Cash Collateral Pledged
Net Amount		$ 0