DEBT (Debt Issuance Costs) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Debt Issuance Costs [Roll Forward]
Debt issuance costs incurred			$ 28,491,000
Ares Management L.P | Credit Facility
Debt Issuance Costs [Roll Forward]
Unamortized debt issuance costs, beginning balance	$ 6,241,000	$ 5,330,000
Debt issuance costs incurred	548,000	2,271,000
Amortization of debt issuance costs	(1,989,000)	(1,360,000)
Amortization of debt issuance costs		0
Unamortized debt issuance costs, ending balance	$ 4,800,000	6,241,000	5,330,000
Interest rate (as a percent)	0.00%
Ares Management L.P | Senior Notes
Debt Issuance Costs [Roll Forward]
Unamortized debt issuance costs, beginning balance	$ 2,035,000	2,261,000
Debt issuance costs incurred	0	6,000
Amortization of debt issuance costs	(232,000)	(232,000)
Amortization of debt issuance costs		0
Unamortized debt issuance costs, ending balance	1,803,000	2,035,000	2,261,000
Debt instrument face amount	250,000,000
Ares Management L.P | Term Loan
Debt Issuance Costs [Roll Forward]
Unamortized debt issuance costs, beginning balance	207,000	0
Debt issuance costs incurred	340,000	214,000
Amortization of debt issuance costs	(21,000)	(7,000)
Amortization of debt issuance costs		0
Unamortized debt issuance costs, ending balance	526,000	207,000	0
Ares Management L.P | AFC II Notes
Debt Issuance Costs [Roll Forward]
Unamortized debt issuance costs, beginning balance	0	0
Debt issuance costs incurred	0	3,709,000
Amortization of debt issuance costs	0	(75,000)
Amortization of debt issuance costs		(3,634,000)
Unamortized debt issuance costs, ending balance	0	$ 0	$ 0
Debt instrument face amount	$ 325,000,000.0
Interest rate (as a percent)	5.25%