EQUITY AND REDEEMABLE INTEREST - Common Stock (Details) - USD ($) $ / shares in Units, $ in Millions	6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Feb. 28, 2025	Dec. 31, 2024
Ares Operating Group
Increase (Decrease) in Stockholders' Equity
Beginning balance (in shares)	313,170,171
Issuance of common stock (in shares)	10,616,465
Exchanges of common stocks (in shares)	0
Vesting of restricted unit awards, net of shares withheld for tax (in shares)	2,867,626
Ending balance (in shares)	326,654,262
Class A Common Stock
Class of Stock [Line Items]
Common stock, par value (in dollars per share)	$ 0.01			$ 0.01
Authorized amount			$ 750.0
Repurchase of stock (in shares)	0	0
Increase (Decrease) in Stockholders' Equity
Beginning balance (in shares)	199,872,571
Ending balance (in shares)	215,880,982
Class A Common Stock | Ares Operating Group
Increase (Decrease) in Stockholders' Equity
Beginning balance (in shares)	199,872,571
Issuance of common stock (in shares)	10,312,965
Exchanges of common stocks (in shares)	2,827,820
Vesting of restricted unit awards, net of shares withheld for tax (in shares)	2,867,626
Ending balance (in shares)	215,880,982
Non-voting Common Stock
Class of Stock [Line Items]
Common stock, par value (in dollars per share)	$ 0.01			0.01
Increase (Decrease) in Stockholders' Equity
Beginning balance (in shares)	3,489,911
Ending balance (in shares)	3,489,911
Non-voting Common Stock | Ares Operating Group
Increase (Decrease) in Stockholders' Equity
Beginning balance (in shares)	3,489,911
Issuance of common stock (in shares)	0
Exchanges of common stocks (in shares)	0
Vesting of restricted unit awards, net of shares withheld for tax (in shares)	0
Ending balance (in shares)	3,489,911
Class B Common Stock
Class of Stock [Line Items]
Common stock, par value (in dollars per share)	$ 0.01			0.01
Increase (Decrease) in Stockholders' Equity
Beginning balance (in shares)	1,000
Ending balance (in shares)	1,000
Class B Common Stock | Ares Operating Group
Increase (Decrease) in Stockholders' Equity
Beginning balance (in shares)	1,000
Issuance of common stock (in shares)	0
Exchanges of common stocks (in shares)	0
Vesting of restricted unit awards, net of shares withheld for tax (in shares)	0
Ending balance (in shares)	1,000
Class C Common Stock
Class of Stock [Line Items]
Common stock, par value (in dollars per share)	$ 0.01			$ 0.01
Increase (Decrease) in Stockholders' Equity
Beginning balance (in shares)	109,806,689
Ending balance (in shares)	107,282,369
Class C Common Stock | Ares Operating Group
Increase (Decrease) in Stockholders' Equity
Beginning balance (in shares)	109,806,689
Issuance of common stock (in shares)	303,500
Exchanges of common stocks (in shares)	(2,827,820)
Vesting of restricted unit awards, net of shares withheld for tax (in shares)	0
Ending balance (in shares)	107,282,369