EQUITY AND REDEEMABLE INTEREST - Common Stock (Details) - USD ($) $ / shares in Units, $ in Millions		1 Months Ended	6 Months Ended
	Jun. 12, 2024	Jul. 31, 2024	Jun. 30, 2024	Jun. 30, 2023	Jan. 31, 2024	Dec. 31, 2023
Increase (Decrease) in Stockholders' Equity
Beginning balance (in shares)		312,512,682	307,585,576
Exchanges of common stocks (in shares)			0
Stock option exercises (in shares)			79,524
Vesting of restricted stock awards, net of shares withheld for tax (in shares)			2,134,403
Ending balance (in shares)			312,512,682
Ares Operating Group
Increase (Decrease) in Stockholders' Equity
Issuance of common stock (in shares)			2,713,179
Class A Common Stock
Class of Stock [Line Items]
Common stock, par value (in dollars per share)			$ 0.01			$ 0.01
Authorized amount					$ 150.0
Repurchase of stock (in shares)			0	0
Increase (Decrease) in Stockholders' Equity
Beginning balance (in shares)		195,697,984	187,069,907
Exchanges of common stocks (in shares)			3,764,150
Stock option exercises (in shares)			79,524
Vesting of restricted stock awards, net of shares withheld for tax (in shares)			2,134,403
Ending balance (in shares)			195,697,984
Class A Common Stock | Underwritten
Class of Stock [Line Items]
Number of shares sold (in shares)	2,650,000
Proceeds from issuance of stock	$ 354.4
Class A Common Stock | Underwritten | Subsequent event
Class of Stock [Line Items]
Number of shares sold (in shares)		397,500
Option to purchase additional shares, number of days		30 days
Class A Common Stock | Ares Operating Group
Increase (Decrease) in Stockholders' Equity
Issuance of common stock (in shares)			2,650,000
Non-voting Common Stock
Class of Stock [Line Items]
Common stock, par value (in dollars per share)			$ 0.01
Increase (Decrease) in Stockholders' Equity
Beginning balance (in shares)		3,489,911	3,489,911
Exchanges of common stocks (in shares)			0
Stock option exercises (in shares)			0
Vesting of restricted stock awards, net of shares withheld for tax (in shares)			0
Ending balance (in shares)			3,489,911
Non-voting Common Stock | Ares Operating Group
Increase (Decrease) in Stockholders' Equity
Issuance of common stock (in shares)			0
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	1,000
Exchanges of common stocks (in shares)			0
Stock option exercises (in shares)			0
Vesting of restricted stock awards, net of shares withheld for tax (in shares)			0
Ending balance (in shares)			1,000
Class B Common Stock | Ares Operating Group
Increase (Decrease) in Stockholders' Equity
Issuance of common stock (in shares)			0
Class C Common Stock
Class of Stock [Line Items]
Common stock, par value (in dollars per share)			$ 0.01
Increase (Decrease) in Stockholders' Equity
Beginning balance (in shares)		113,323,787	117,024,758
Exchanges of common stocks (in shares)			(3,764,150)
Stock option exercises (in shares)			0
Vesting of restricted stock awards, net of shares withheld for tax (in shares)			0
Ending balance (in shares)			113,323,787
Class C Common Stock | Ares Operating Group
Increase (Decrease) in Stockholders' Equity
Issuance of common stock (in shares)			63,179