OTHER ASSETS - Components of Other Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Jun. 02, 2021	Dec. 31, 2020	Dec. 31, 2019
Other Assets [Line Items]
Goodwill	$ 787,972	$ 417,800	$ 371,047	$ 143,855
Consolidated Funds
Other Assets [Line Items]
Dividends and interest receivable	36,350		30,413
Income tax and other receivables	3,080		5,089
Total other assets	39,430		35,502
Ares Management L.P
Other Assets [Line Items]
Accounts and interest receivable	159,757		45,494
Fixed assets, net	71,260		60,874
Deferred tax assets, net	39,398		70,026
Goodwill	787,972		371,047
Other assets	64,340		42,891
Total other assets	$ 1,122,727		$ 590,332