DEBT - Debt Issuance Costs (Details) - Ares Management L.P - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Credit Facility
Debt Issuance Costs
Unamortized debt issuance costs, beginning balance	$ 5,232	$ 5,255
Debt issuance costs incurred	1,282	1,217
Amortization of debt issuance costs	(1,240)	(1,240)
Unamortized debt issuance costs, ending balance	5,274	5,232
Senior Notes
Debt Issuance Costs
Unamortized debt issuance costs, beginning balance	4,283	1,102
Debt issuance costs incurred	0	3,624
Amortization of debt issuance costs	(594)	(443)
Unamortized debt issuance costs, ending balance	3,689	4,283
Subordinated Notes
Debt Issuance Costs
Unamortized debt issuance costs, beginning balance	0	0
Debt issuance costs incurred	5,518	0
Amortization of debt issuance costs	(92)	0
Unamortized debt issuance costs, ending balance	$ 5,426	$ 0