SEGMENT REPORTING - Revenue, Expenses and Realized Net Investment Income (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Segment revenues
Total revenues	$ 714,999	$ 658,388
Total segment revenues	553,479	411,248
Segment expenses
Compensation and benefits	357,243
General, administrative and other expenses	120,523
Total expenses	611,684	525,109
Segment realized net investment income (expense)
Total other income	57,994	56,785
Management fees
Segment revenues
Total revenues	477,332
Operating segment
Segment revenues
Performance income—realized	43,868	74,945
Segment expenses
Performance related compensation—realized	28,575	59,857
Ares Management L.P
Segment revenues
Total revenues	714,999	658,388
Segment expenses
Compensation and benefits	357,243	231,850
General, administrative and other expenses	120,523	67,656
Ares Management L.P | Management fees
Segment revenues
Total revenues	477,332	320,273
Ares Management L.P | Operating segment
Segment revenues
Performance income—realized	43,868	74,945
Total segment revenues	553,479	411,248
Segment expenses
Compensation and benefits	177,940	122,970
General, administrative and other expenses	35,426	21,007
Performance related compensation—realized	28,575	59,857
Total expenses	241,941	203,834
Segment realized net investment income (expense)
Investment income (loss)—realized	6,332	(7,392)
Interest and other investment income —realized	10,652	6,174
Interest expense	(15,479)	(6,605)
Total other income	1,505	(7,823)
Ares Management L.P | Operating segment | Management fees
Segment revenues
Total revenues	482,921	327,463
Ares Management L.P | Operating segment | Fee related performance revenues
Segment revenues
Total revenues	12,711	2,036
Ares Management L.P | Operating segment | Other fees
Segment revenues
Total revenues	$ 13,979	$ 6,804