DERIVATIVES AND HEDGING - Balance Sheet Offsetting (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Derivative Assets:
Gross Amounts of Assets (Liabilities) Presented	$ 11,214	$ 17,741
Gross amounts not offset in statements of financial condition, derivative assets	131	510
Gross amounts not offset in statements of financial condition, cash collateral received	0	0
Net Amount	11,083	17,231
Derivative Liabilities:
Fair Value	(20,603)	(30,750)
Gross amounts not offset in statements of financial condition, derivative (liabilities)	(131)	(510)
Gross amounts not offset in statements of financial condition, cash (pledged)	0	0
Net Amount	(20,472)	(30,240)
Oaktree Capital Group Excluding Consolidated Funds | Foreign-currency forward contracts
Derivative Assets:
Gross Amounts of Assets (Liabilities) Presented	1,906	8,608
Gross amounts not offset in statements of financial condition, derivative assets	131	510
Gross amounts not offset in statements of financial condition, cash collateral received	0	0
Net Amount	1,775	8,098
Derivative Liabilities:
Fair Value	(1,642)	(8,520)
Gross amounts not offset in statements of financial condition, derivative (liabilities)	(131)	(510)
Gross amounts not offset in statements of financial condition, cash (pledged)	0	0
Net Amount	(1,511)	(8,010)
Consolidated Funds
Derivative Assets:
Gross Amounts of Assets (Liabilities) Presented	9,308	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	9,308	9,133
Derivative Liabilities:
Fair Value	(18,961)	(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 (pledged)	0	0
Net Amount	(18,961)	(22,230)
Consolidated Funds | Foreign-currency forward contracts
Derivative Assets:
Gross Amounts of Assets (Liabilities) Presented	1,591	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	1,591	475
Derivative Liabilities:
Fair Value	(16,218)	(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 (pledged)	0	0
Net Amount	(16,218)	(21,659)
Consolidated Funds | Total-return and interest-rate and credit default swaps
Derivative Assets:
Gross Amounts of Assets (Liabilities) Presented	7,711	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	7,711	8,658
Derivative Liabilities:
Fair Value	(29)
Gross amounts not offset in statements of financial condition, derivative (liabilities)	0
Gross amounts not offset in statements of financial condition, cash (pledged)	0
Net Amount	(29)
Consolidated Funds | Options and futures
Derivative Assets:
Gross Amounts of Assets (Liabilities) Presented	6	0
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	0
Derivative Liabilities:
Fair Value	(2,714)	(571)
Gross amounts not offset in statements of financial condition, derivative (liabilities)	0	0
Gross amounts not offset in statements of financial condition, cash (pledged)	0	0
Net Amount	$ (2,714)	$ (571)