SEGMENT REPORTING - Other Income (Expense) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Segment Reporting, Other Significant Reconciling Item [Line Items]
Total consolidated other income	$ 263,682	$ 65,918	$ 122,539
Other income, net	14,402
Principal investment income	25,095	33,730	69,715
Ares Management L.P
Segment Reporting, Other Significant Reconciling Item [Line Items]
Other income, net	14,402	11,291	(7,840)
Other (income) expense, net	31,070	0	0
Consolidated Funds
Segment Reporting, Other Significant Reconciling Item [Line Items]
Other (income) expense, net	35,879	34,297	8,383
Operating segment
Segment Reporting, Other Significant Reconciling Item [Line Items]
Total investment (income) loss—unrealized	(52,445)	35,183	35,681
Other (income) expense, net	19,886	(10,207)	460
Operating segment | Ares Management L.P
Segment Reporting, Other Significant Reconciling Item [Line Items]
Total consolidated other income	25,095	33,730	69,715
Total investment (income) loss—unrealized	(58,694)	47,317	26,620
Interest and other investment (income) loss—unrealized	6,249	(12,134)	9,061
Operating segment | Consolidated Funds
Segment Reporting, Other Significant Reconciling Item [Line Items]
Total consolidated other income	263,682	65,918	122,539
Reconciling items
Segment Reporting, Other Significant Reconciling Item [Line Items]
Total consolidated other income	(238,587)	(32,188)	(52,824)
Principal investment income	120,896	4,044	44,320
Other (income) expense, net	(19,886)	10,277	(460)
Reconciling items | Subsidiaries | Non-Controlling interest
Segment Reporting, Other Significant Reconciling Item [Line Items]
Total consolidated other income	(25,107)	556	(39)
Reconciling items | Performance income reclass
Segment Reporting, Other Significant Reconciling Item [Line Items]
Performance (income) loss reclass	(1,434)	3,726	(740)
Reconciling items | Consolidated Funds
Segment Reporting, Other Significant Reconciling Item [Line Items]
Other income from Consolidated Funds added in consolidation, net	(256,375)	(70,994)	(117,405)
Eliminations | Consolidated Funds
Segment Reporting, Other Significant Reconciling Item [Line Items]
Other income, net	(2,868)	(14,053)	(12,991)
OMG
Segment Reporting, Other Significant Reconciling Item [Line Items]
Total consolidated other income	$ 1,368	$ 927	$ 1,190