DERIVATIVES AND HEDGING - Balance Sheet Offsetting (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Derivative Assets:
Gross Amounts of Assets (Liabilities) Presented	$ 10,435	$ 24,077
Gross amounts not offset in statements of financial condition, derivative assets	229	1,279
Gross amounts not offset in statements of financial condition, cash collateral received	0	0
Net Amount	10,206	22,798
Derivative Liabilities:
Fair Value	(14,965)	(35,862)
Gross amounts not offset in statements of financial condition, derivative (liabilities)	(229)	(1,279)
Gross amounts not offset in statements of financial condition, cash (pledged)	0	0
Net Amount	(14,736)	(34,583)
Oaktree Capital Group Excluding Consolidated Funds | Foreign-currency forward contracts
Derivative Assets:
Gross Amounts of Assets (Liabilities) Presented	692	13,340
Gross amounts not offset in statements of financial condition, derivative assets	229	1,279
Gross amounts not offset in statements of financial condition, cash collateral received	0	0
Net Amount	463	12,061
Derivative Liabilities:
Fair Value	(877)	(11,840)
Gross amounts not offset in statements of financial condition, derivative (liabilities)	(229)	(1,279)
Gross amounts not offset in statements of financial condition, cash (pledged)	0	0
Net Amount	(648)	(10,561)
Consolidated Funds
Derivative Assets:
Gross Amounts of Assets (Liabilities) Presented	9,743	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	9,743	10,737
Derivative Liabilities:
Fair Value	(14,088)	(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 (pledged)	0	0
Net Amount	(14,088)	(24,022)
Consolidated Funds | Foreign-currency forward contracts
Derivative Assets:
Gross Amounts of Assets (Liabilities) Presented	1,813	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	1,813	9,758
Derivative Liabilities:
Fair Value	(13,232)	(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 (pledged)	0	0
Net Amount	(13,232)	(16,356)
Consolidated Funds | Total-return and interest-rate and credit default swaps
Derivative Assets:
Gross Amounts of Assets (Liabilities) Presented	7,618	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	7,618	700
Derivative Liabilities:
Fair Value	(38)	(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 (pledged)	0	0
Net Amount	(38)	(7,666)
Consolidated Funds | Options and futures
Derivative Assets:
Gross Amounts of Assets (Liabilities) Presented	312	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	312	$ 279
Derivative Liabilities:
Fair Value	(818)
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	$ (818)