SEGMENT REPORTING - Other Income (Expense) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Segment Reporting, Other Significant Reconciling Item [Line Items]
Total consolidated other income	$ 57,994	$ 56,785
Other income (expense), net	1,784
Total segment realized net investment income (expense)	1,505	(7,823)
Ares Management L.P
Segment Reporting, Other Significant Reconciling Item [Line Items]
Other income (expense), net	1,784	(4,149)
Operating segment
Segment Reporting, Other Significant Reconciling Item [Line Items]
Total investment (income) loss—unrealized	1,822	(18,218)
Other (income) expense, net	(1,981)	473
Operating segment | Ares Management L.P
Segment Reporting, Other Significant Reconciling Item [Line Items]
Total consolidated other income	1,505	(7,823)
Total investment (income) loss—unrealized	7,854	(22,168)
Interest and other investment (income) loss—unrealized	(6,032)	3,950
Operating segment | Consolidated Funds
Segment Reporting, Other Significant Reconciling Item [Line Items]
Total consolidated other income	57,994	56,785
Reconciling items
Segment Reporting, Other Significant Reconciling Item [Line Items]
Total consolidated other income	(56,489)	(64,608)
Principal investment income	14,490	25,095
Other (income) expense, net	1,981	(473)
Reconciling items | Performance income reclass
Segment Reporting, Other Significant Reconciling Item [Line Items]
Performance (income) loss reclass	14	(55)
Reconciling items | Subsidiaries | Non-Controlling interest
Segment Reporting, Other Significant Reconciling Item [Line Items]
Total consolidated other income	(5,023)	138
Reconciling items | Consolidated Funds
Segment Reporting, Other Significant Reconciling Item [Line Items]
Other income from Consolidated Funds added in consolidation, net	(66,848)	(67,316)
Eliminations | Consolidated Funds
Segment Reporting, Other Significant Reconciling Item [Line Items]
Other income (expense), net	(7,518)	(4,112)
OMG
Segment Reporting, Other Significant Reconciling Item [Line Items]
Total consolidated other income	$ (4,593)	$ (333)