EQUITY COMPENSATION - Schedule of Equity-based Compensation Expense, Net of Forfeitures (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Jun. 12, 2023
Equity compensation
Equity-based compensation expense	$ 255,965	$ 200,391	$ 237,191
Restricted units
Equity compensation
Equity-based compensation expense	255,965	200,391	170,980
Restricted units with a market condition
Equity compensation
Equity-based compensation expense	$ 0	$ 0	$ 66,211
Ares Management L.P
Equity compensation
Total number of shares available for grant under the equity incentive plan (in shares)	69,150,100			69,122,318