EQUITY COMPENSATION - Narrative (Details) $ / shares in Units, $ in Millions	6 Months Ended
	Jun. 30, 2025 USD ($) installment $ / shares shares	Jun. 30, 2024 shares	Jan. 01, 2025 shares	Dec. 31, 2024 $ / shares shares
Equity compensation
Vesting period	5 years
Class A Common Stock
Equity compensation
Shares delivered in period (in shares)	2,900,000	2,100,000
Restricted units
Equity compensation
Shares delivered in period (in shares)	5,000,000.0	3,800,000
Cost not yet recognized | $	$ 1,817.2
Cost not yet recognized, period for recognition	3 years 7 months 6 days
Granted (in shares)	7,208,376
Vested (in shares)	5,039,114
Remaining nonvested (in shares)	20,007,438			17,968,940
Weighted average grant date fair value (in dollars per share) | $ / shares	$ 117.39			$ 79.11
Restricted units | Minimum
Equity compensation
Annual award vesting percentage	25.00%
Restricted units | Maximum
Equity compensation
Annual award vesting percentage	33.30%
AOG Unit awards
Equity compensation
Cost not yet recognized | $	$ 32.3
Cost not yet recognized, period for recognition	2 years 8 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)	44,174,946		51,846,506