EQUITY COMPENSATION - Narrative (Details) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2025 USD ($) installment $ / shares shares	Dec. 31, 2024 $ / shares shares	Jan. 01, 2025 shares
Equity compensation
Vesting period	5 years
Class A Common Stock
Equity compensation
Shares delivered in period (in shares)	3,100,000	2,300,000
Restricted units
Equity compensation
Shares delivered in period (in shares)	5,400,000	4,200,000
Cost not yet recognized | $	$ 1,532.7
Cost not yet recognized, period for recognition	3 years 3 months 18 days
Granted (in shares)	7,455,032
Vested (in shares)	5,393,967
Remaining nonvested (in shares)	19,760,606	17,968,940
Weighted average grant date fair value (in dollars per share) | $ / shares	$ 118.49	$ 79.11
AOG Unit awards
Equity compensation
Cost not yet recognized | $	$ 26.2
Cost not yet recognized, period for recognition	2 years 2 months 12 days
Granted (in shares)	300,000
Vested (in shares)	100,000
Remaining nonvested (in shares)	200,000
Number of installments | installment	3
Weighted average grant date fair value (in dollars per share) | $ / shares	$ 170.94
Ares Management L.P
Equity compensation
Total number of shares available for grant under the equity incentive plan (in shares)	45,127,175		51,846,506