OTHER ASSETS - Fixed Assets, Net (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Property, Plant and Equipment [Line Items]
Depreciation	$ 22,100	$ 19,000	$ 17,100
Fully depreciated	5,700
Ares Management L.P
Property, Plant and Equipment [Line Items]
Fixed assets, at cost	159,688	133,029
Less: accumulated depreciation	(88,428)	(72,155)
Fixed assets, net	71,260	60,874
Office and computer equipment | Ares Management L.P
Property, Plant and Equipment [Line Items]
Fixed assets, at cost	31,963	28,068
Internal-use software | Ares Management L.P
Property, Plant and Equipment [Line Items]
Fixed assets, at cost	53,048	47,456
Leasehold improvements | Ares Management L.P
Property, Plant and Equipment [Line Items]
Fixed assets, at cost	$ 74,677	$ 57,505