SEGMENT REPORTING (Narrative) (Details) $ in Billions	12 Months Ended
	Dec. 31, 2017 USD ($) segment fund
Segment reporting
Number operating segments | segment	3
Ares Management L.P | Credit
Segment reporting
Assets under management | $	$ 71.7
Number of funds managed	139
Ares Management L.P | Private Equity
Segment reporting
Assets under management | $	$ 24.5
Number of private equity commingled funds focus North America and Europe	5
Number of funds focused on U.S. energy and power assets	5
Number of co-investment vehicles focused on U.S. energy and power assets	6
Number of special situation funds	3
Ares Management L.P | Real Estate
Segment reporting
Assets under management | $	$ 10.2
Number of funds managed	42