FAIR VALUE - Assets and Liabilities Measured at Fair Value (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Consolidated Funds
Assets, at fair value
Common stock and other equity securities	$ 1,071,677	$ 731,599
Collateralized loan obligations and other fixed income	11,732,971	11,080,865
Partnership interests	1,287,240	1,392,169
Total investments, at fair value	14,091,888	13,204,633
Total assets, at fair value	14,094,287	13,207,533
Liabilities, at fair value
Loan obligations of CLOs	(11,460,999)	(10,701,720)
Derivative liabilities	(21,161)	(15,824)
Total liabilities, at fair value	$ (11,482,160)	$ (10,717,544)
Derivative liability, statement of financial position	Liabilities	Liabilities
Consolidated Funds  | Derivatives-foreign currency forward contracts
Assets, at fair value
Derivatives-foreign currency forward contracts	$ 2,399	$ 2,900
Liabilities, at fair value
Derivative liabilities	(2,468)	(2,942)
Consolidated Funds  | Warrants
Liabilities, at fair value
Derivative liabilities	(16,000)	(9,326)
Consolidated Funds  | Asset swaps
Liabilities, at fair value
Derivative liabilities	(2,693)	(3,556)
Consolidated Funds  | Loans
Assets, at fair value
Collateralized loan obligations and other fixed income	10,152,326	9,280,522
Consolidated Funds  | Investments held in trust account
Assets, at fair value
Collateralized loan obligations and other fixed income	1,000,949	1,013,382
Consolidated Funds  | Bonds
Assets, at fair value
Collateralized loan obligations and other fixed income	579,696	786,961
Level I  | Consolidated Funds
Assets, at fair value
Common stock and other equity securities	701	719
Collateralized loan obligations and other fixed income	1,000,949	1,013,382
Partnership interests	0	0
Total investments, at fair value	1,001,650	1,014,101
Total assets, at fair value	1,001,650	1,014,101
Liabilities, at fair value
Loan obligations of CLOs	0	0
Derivative liabilities	(16,000)	(9,326)
Total liabilities, at fair value	(16,000)	(9,326)
Level I  | Consolidated Funds  | Derivatives-foreign currency forward contracts
Assets, at fair value
Derivatives-foreign currency forward contracts	0	0
Liabilities, at fair value
Derivative liabilities	0	0
Level I  | Consolidated Funds  | Warrants
Liabilities, at fair value
Derivative liabilities	(16,000)	(9,326)
Level I  | Consolidated Funds  | Asset swaps
Liabilities, at fair value
Derivative liabilities	0	0
Level I  | Consolidated Funds  | Loans
Assets, at fair value
Collateralized loan obligations and other fixed income	0	0
Level I  | Consolidated Funds  | Investments held in trust account
Assets, at fair value
Collateralized loan obligations and other fixed income	1,000,949	1,013,382
Level I  | Consolidated Funds  | Bonds
Assets, at fair value
Collateralized loan obligations and other fixed income	0	0
Level II  | Consolidated Funds
Assets, at fair value
Common stock and other equity securities	4,911	0
Collateralized loan obligations and other fixed income	10,083,891	9,197,815
Partnership interests	0	0
Total investments, at fair value	10,088,802	9,197,815
Total assets, at fair value	10,091,201	9,200,715
Liabilities, at fair value
Loan obligations of CLOs	(11,460,999)	(10,701,720)
Derivative liabilities	(2,468)	(2,942)
Total liabilities, at fair value	(11,463,467)	(10,704,662)
Level II  | Consolidated Funds  | Derivatives-foreign currency forward contracts
Assets, at fair value
Derivatives-foreign currency forward contracts	2,399	2,900
Liabilities, at fair value
Derivative liabilities	(2,468)	(2,942)
Level II  | Consolidated Funds  | Warrants
Liabilities, at fair value
Derivative liabilities	0	0
Level II  | Consolidated Funds  | Asset swaps
Liabilities, at fair value
Derivative liabilities	0	0
Level II  | Consolidated Funds  | Loans
Assets, at fair value
Collateralized loan obligations and other fixed income	9,504,196	8,663,678
Level II  | Consolidated Funds  | Investments held in trust account
Assets, at fair value
Collateralized loan obligations and other fixed income	0	0
Level II  | Consolidated Funds  | Bonds
Assets, at fair value
Collateralized loan obligations and other fixed income	579,695	534,137
Level III  | Consolidated Funds
Assets, at fair value
Common stock and other equity securities	1,066,065	730,880
Collateralized loan obligations and other fixed income	648,131	869,668
Partnership interests	0	368,655
Total investments, at fair value	1,714,196	1,969,203
Total assets, at fair value	1,714,196	1,969,203
Liabilities, at fair value
Loan obligations of CLOs	0	0
Derivative liabilities	(2,693)	(3,556)
Total liabilities, at fair value	(2,693)	(3,556)
Level III  | Consolidated Funds  | Derivatives-foreign currency forward contracts
Assets, at fair value
Derivatives-foreign currency forward contracts	0	0
Liabilities, at fair value
Derivative liabilities	0	0
Level III  | Consolidated Funds  | Warrants
Liabilities, at fair value
Derivative liabilities	0	0
Level III  | Consolidated Funds  | Asset swaps
Liabilities, at fair value
Derivative liabilities	(2,693)	(3,556)
Level III  | Consolidated Funds  | Loans
Assets, at fair value
Collateralized loan obligations and other fixed income	648,130	616,844
Level III  | Consolidated Funds  | Investments held in trust account
Assets, at fair value
Collateralized loan obligations and other fixed income	0	0
Level III  | Consolidated Funds  | Bonds
Assets, at fair value
Collateralized loan obligations and other fixed income	1	252,824
Investments Measured at NAV | Consolidated Funds
Assets, at fair value
Common stock and other equity securities	0	0
Collateralized loan obligations and other fixed income	0	0
Partnership interests	1,287,240	1,023,514
Total investments, at fair value	1,287,240	1,023,514
Total assets, at fair value	1,287,240	1,023,514
Liabilities, at fair value
Loan obligations of CLOs	0	0
Derivative liabilities	0	0
Total liabilities, at fair value	0	0
Investments Measured at NAV | Consolidated Funds  | Derivatives-foreign currency forward contracts
Assets, at fair value
Derivatives-foreign currency forward contracts	0	0
Liabilities, at fair value
Derivative liabilities	0	0
Investments Measured at NAV | Consolidated Funds  | Warrants
Liabilities, at fair value
Derivative liabilities	0	0
Investments Measured at NAV | Consolidated Funds  | Asset swaps
Liabilities, at fair value
Derivative liabilities	0	0
Investments Measured at NAV | Consolidated Funds  | Loans
Assets, at fair value
Collateralized loan obligations and other fixed income	0	0
Investments Measured at NAV | Consolidated Funds  | Investments held in trust account
Assets, at fair value
Collateralized loan obligations and other fixed income	0	0
Investments Measured at NAV | Consolidated Funds  | Bonds
Assets, at fair value
Collateralized loan obligations and other fixed income	0	0
Ares Management L.P
Assets, at fair value
Common stock and other equity securities	247,545	198,807
Partnership interests	1,125	1,385
Total investments, at fair value	322,447	277,126
Total assets, at fair value	325,792	281,299
Liabilities, at fair value
Total liabilities, at fair value	(2,318)	(3,423)
Ares Management L.P | Derivatives-foreign currency forward contracts
Assets, at fair value
Derivatives-foreign currency forward contracts	3,345	4,173
Liabilities, at fair value
Derivative liabilities	(2,318)	(3,423)
Ares Management L.P | Collateralized loan obligations and other fixed income
Assets, at fair value
Collateralized loan obligations and other fixed income	73,777	76,934
Ares Management L.P | Level I
Assets, at fair value
Common stock and other equity securities	0	0
Partnership interests	0	0
Total investments, at fair value	0	0
Total assets, at fair value	0	0
Liabilities, at fair value
Total liabilities, at fair value	0	0
Ares Management L.P | Level I  | Derivatives-foreign currency forward contracts
Assets, at fair value
Derivatives-foreign currency forward contracts	0	0
Liabilities, at fair value
Derivative liabilities	0	0
Ares Management L.P | Level I  | Collateralized loan obligations and other fixed income
Assets, at fair value
Collateralized loan obligations and other fixed income	0	0
Ares Management L.P | Level II
Assets, at fair value
Common stock and other equity securities	82,174	77,022
Partnership interests	0	0
Total investments, at fair value	82,174	77,022
Total assets, at fair value	85,519	81,195
Liabilities, at fair value
Total liabilities, at fair value	(2,318)	(3,423)
Ares Management L.P | Level II  | Derivatives-foreign currency forward contracts
Assets, at fair value
Derivatives-foreign currency forward contracts	3,345	4,173
Liabilities, at fair value
Derivative liabilities	(2,318)	(3,423)
Ares Management L.P | Level II  | Collateralized loan obligations and other fixed income
Assets, at fair value
Collateralized loan obligations and other fixed income	0	0
Ares Management L.P | Level III
Assets, at fair value
Common stock and other equity securities	165,371	121,785
Partnership interests	0	0
Total investments, at fair value	239,148	198,719
Total assets, at fair value	239,148	198,719
Liabilities, at fair value
Total liabilities, at fair value	0	0
Ares Management L.P | Level III  | Derivatives-foreign currency forward contracts
Assets, at fair value
Derivatives-foreign currency forward contracts	0	0
Liabilities, at fair value
Derivative liabilities	0	0
Ares Management L.P | Level III  | Collateralized loan obligations and other fixed income
Assets, at fair value
Collateralized loan obligations and other fixed income	73,777	76,934
Ares Management L.P | Investments Measured at NAV
Assets, at fair value
Common stock and other equity securities	0	0
Partnership interests	1,125	1,385
Total investments, at fair value	1,125	1,385
Total assets, at fair value	1,125	1,385
Liabilities, at fair value
Total liabilities, at fair value	0	0
Ares Management L.P | Investments Measured at NAV | Derivatives-foreign currency forward contracts
Assets, at fair value
Derivatives-foreign currency forward contracts	0	0
Liabilities, at fair value
Derivative liabilities	0	0
Ares Management L.P | Investments Measured at NAV | Collateralized loan obligations and other fixed income
Assets, at fair value
Collateralized loan obligations and other fixed income	$ 0	$ 0