EQUITY AND REDEEMABLE INTEREST - Common Stock (Details) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2023 USD ($) vote $ / shares shares	Dec. 31, 2022 $ / shares shares	Dec. 31, 2021 shares
Increase (Decrease) in Stockholders' Equity
Beginning balance (in shares)	294,614,235
Issuance of stock (in shares)	2,591,432
Issuance of AOG Units (in shares)	3,473,026
Stock option exercises, net of shares withheld for tax (in shares)	4,742,044
Vesting of restricted stock awards, net of shares withheld for tax (in shares)	2,164,839
Ending balance (in shares)	307,585,576	294,614,235
Ares Operating Group
Increase (Decrease) in Stockholders' Equity
Exchanges of AOG units (in shares)	0
Class A Common Stock
Class of Stock [Line Items]
Common stock, par value (in dollars per share) | $ / shares	$ 0.01	$ 0.01
Number of votes per share | vote	1
Authorized amount | $	$ 150.0
Repurchase of stock (in shares)	0	0	0
Increase (Decrease) in Stockholders' Equity
Beginning balance (in shares)	173,892,036
Stock option exercises, net of shares withheld for tax (in shares)	4,742,044
Vesting of restricted stock awards, net of shares withheld for tax (in shares)	2,164,839
Ending balance (in shares)	187,069,907	173,892,036
Class A Common Stock | Ares Operating Group
Increase (Decrease) in Stockholders' Equity
Issuance of stock (in shares)	2,591,432
Issuance of AOG Units (in shares)	0
Exchanges of AOG units (in shares)	3,679,556
Non-voting Common Stock
Class of Stock [Line Items]
Common stock, par value (in dollars per share) | $ / shares	$ 0.01	$ 0.01
Increase (Decrease) in Stockholders' Equity
Beginning balance (in shares)	3,489,911
Stock option exercises, net of shares withheld for tax (in shares)	0
Vesting of restricted stock awards, net of shares withheld for tax (in shares)	0
Ending balance (in shares)	3,489,911	3,489,911
Non-voting Common Stock | Ares Operating Group
Increase (Decrease) in Stockholders' Equity
Issuance of stock (in shares)	0
Issuance of AOG Units (in shares)	0
Exchanges of AOG units (in shares)	0
Class B Common Stock
Class of Stock [Line Items]
Common stock, par value (in dollars per share) | $ / shares	$ 0.01	$ 0.01
Number votes per share, mulitplier | vote	4
Increase (Decrease) in Stockholders' Equity
Beginning balance (in shares)	1,000
Stock option exercises, net of shares withheld for tax (in shares)	0
Vesting of restricted stock awards, net of shares withheld for tax (in shares)	0
Ending balance (in shares)	1,000	1,000
Class B Common Stock | Ares Operating Group
Increase (Decrease) in Stockholders' Equity
Issuance of stock (in shares)	0
Issuance of AOG Units (in shares)	0
Exchanges of AOG units (in shares)	0
Class C Common Stock
Class of Stock [Line Items]
Common stock, par value (in dollars per share) | $ / shares	$ 0.01	$ 0.01
Increase (Decrease) in Stockholders' Equity
Beginning balance (in shares)	117,231,288
Stock option exercises, net of shares withheld for tax (in shares)	0
Vesting of restricted stock awards, net of shares withheld for tax (in shares)	0
Ending balance (in shares)	117,024,758	117,231,288
Class C Common Stock | Ares Operating Group
Increase (Decrease) in Stockholders' Equity
Issuance of stock (in shares)	0
Issuance of AOG Units (in shares)	3,473,026
Exchanges of AOG units (in shares)	(3,679,556)