SEGMENT REPORTING - Revenue, Expenses and Realized Net Investment Income (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Segment revenues
Total revenues	$ 4,212,091	$ 1,764,046	$ 1,765,438
Total segment revenues	2,288,876	1,753,729	1,433,126
Segment expenses
Compensation and benefits	1,162,633
General, administrative and other expenses	444,178
Total expenses	3,410,083	1,450,486	1,462,797
Segment realized net investment income
Total other income (expense)	263,682	65,918	122,539
Management fees
Segment revenues
Total revenues	1,611,047
Operating segment
Segment revenues
Performance income—realized	474,427	524,229	348,211
Segment expenses
Performance related compensation—realized	328,583	399,462	258,355
Ares Management L.P
Segment revenues
Total revenues	4,212,091	1,764,046	1,765,438
Segment expenses
Compensation and benefits	1,162,633	767,252	653,352
General, administrative and other expenses	444,178	258,999	270,219
Ares Management L.P | Management fees
Segment revenues
Total revenues	1,611,047	1,150,608	979,417
Ares Management L.P | Operating segment
Segment revenues
Performance income—realized	474,427	524,229	348,211
Total segment revenues	2,288,876	1,753,729	1,433,126
Segment expenses
Compensation and benefits	668,117	470,193	421,072
General, administrative and other expenses	115,132	91,319	87,450
Performance related compensation—realized	328,583	399,462	258,355
Total expenses	1,111,832	960,974	766,877
Segment realized net investment income
Investment income—realized	15,967	29,950	58,173
Interest and other investment income —realized	45,352	27,353	29,349
Interest expense	(36,224)	(23,573)	(17,807)
Total other income (expense)	25,095	33,730	69,715
Ares Management L.P | Operating segment | Management fees
Segment revenues
Total revenues	1,635,277	1,186,565	1,012,530
Ares Management L.P | Operating segment | Fee related performance revenues
Segment revenues
Total revenues	137,879	22,987	54,307
Ares Management L.P | Operating segment | Other fees
Segment revenues
Total revenues	$ 41,293	$ 19,948	$ 18,078