OTHER ASSETS (Depreciable assets) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Fixed assets, net
Depreciation expense	$ 8,200	$ 6,900	$ 7,300
Ares Management L.P
Fixed assets, net
Fixed assets, at cost	77,178	68,191
Less accumulated depreciation	(36,419)	(30,044)
Fixed assets, net	40,759	38,147
Furniture | Ares Management L.P
Fixed assets, net
Fixed assets, at cost	8,498	7,946
Office and computer equipment | Ares Management L.P
Fixed assets, net
Fixed assets, at cost	16,712	15,039
Internal use software | Ares Management L.P
Fixed assets, net
Fixed assets, at cost	10,974	5,039
Leasehold improvements | Ares Management L.P
Fixed assets, net
Fixed assets, at cost	$ 40,994	$ 40,167