DEBT - Debt Issuance Costs (Details) - Ares Management L.P $ in Thousands	3 Months Ended
	Mar. 31, 2022 USD ($)
Credit Facility
Debt Issuance Costs
Unamortized debt issuance costs, beginning balance	$ 5,274
Debt issuance costs incurred	1,456
Amortization of debt issuance costs	(310)
Unamortized debt issuance costs, ending balance	6,420
Senior Notes
Debt Issuance Costs
Unamortized debt issuance costs, beginning balance	3,689
Debt issuance costs incurred	5,415
Amortization of debt issuance costs	(194)
Unamortized debt issuance costs, ending balance	8,910
Subordinated Notes
Debt Issuance Costs
Unamortized debt issuance costs, beginning balance	5,426
Debt issuance costs incurred	0
Amortization of debt issuance costs	(45)
Unamortized debt issuance costs, ending balance	$ 5,381