OTHER ASSETS - Schedule of Fixed Assets, Net (Details) - Ares Management L.P - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Property, Plant and Equipment [Line Items]
Fixed assets, at cost	$ 258,289	$ 238,179
Less: accumulated depreciation	(80,618)	(115,956)
Fixed assets, net	177,671	122,223
Office and computer equipment
Property, Plant and Equipment [Line Items]
Fixed assets, at cost	62,920	52,681
Internal-use software
Property, Plant and Equipment [Line Items]
Fixed assets, at cost	29,119	51,226
Leasehold improvements
Property, Plant and Equipment [Line Items]
Fixed assets, at cost	$ 166,250	$ 134,272