DERIVATIVES AND HEDGING - Balance Sheet Offsetting (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Derivative Assets:
Gross Amounts of Assets Presented	$ 17,354	$ 17,946
Gross amounts not offset in statements of financial condition, derivative assets	407	404
Gross amounts not offset in statements of financial condition, cash collateral received	0	0
Net Amount	16,947	17,542
Derivative Liabilities:
Fair Value	(46,565)	(12,383)
Gross amounts not offset in statements of financial condition, derivative (liabilities)	(407)	(404)
Gross amounts not offset in statements of financial condition, cash (pledged)	0	0
Net Amount	(46,158)	(11,979)
Oaktree Capital Group Excluding Consolidated Funds | Foreign-currency forward contracts
Derivative Assets:
Gross Amounts of Assets Presented	5,095	11,213
Gross amounts not offset in statements of financial condition, derivative assets	407	404
Gross amounts not offset in statements of financial condition, cash collateral received	0	0
Net Amount	4,688	10,809
Derivative Liabilities:
Fair Value	(407)	(536)
Gross amounts not offset in statements of financial condition, derivative (liabilities)	(407)	(404)
Gross amounts not offset in statements of financial condition, cash (pledged)	0	0
Net Amount	0	(132)
Consolidated Funds
Derivative Assets:
Gross Amounts of Assets Presented	12,259	6,733
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	12,259	6,733
Derivative Liabilities:
Fair Value	(46,158)	(11,847)
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	(46,158)	(11,847)
Consolidated Funds | Foreign-currency forward contracts
Derivative Assets:
Gross Amounts of Assets Presented	9,063	5,062
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	9,063	5,062
Derivative Liabilities:
Fair Value	(1,563)	(886)
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	(1,563)	(886)
Consolidated Funds | Total-return and interest-rate and credit default swaps
Derivative Assets:
Gross Amounts of Assets Presented	718	1,162
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	718	1,162
Derivative Liabilities:
Fair Value	(37,933)	(4,335)
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	(37,933)	(4,335)
Consolidated Funds | Options and futures
Derivative Assets:
Gross Amounts of Assets Presented	2,478	509
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	2,478	509
Derivative Liabilities:
Fair Value	(36)
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	(36)
Consolidated Funds | Warrants
Derivative Liabilities:
Fair Value	(6,626)	(6,626)
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
Net Amount	$ (6,626)	$ (6,626)