FAIR VALUE - Schedule of Assets and Liabilities Measured at Fair Value (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Consolidated Funds
Assets, at fair value
Common stock and other equity securities	$ 1,407,474	$ 1,240,653
Collateralized loan obligations and fixed income securities	11,191,112	11,718,445
Partnership interests	1,721,331	1,642,489
Total investments, at fair value	14,319,917	14,601,587
Total assets, at fair value	14,325,507	14,610,713
Liabilities, at fair value
Loan obligations of CLOs	(11,906,346)	(12,345,657)
Derivative liabilities	(7,115)	(10,782)
Total liabilities, at fair value	$ (11,913,461)	$ (12,356,439)
Derivative liability, statement of financial position	Liabilities	Liabilities
Consolidated Funds  | Derivatives-foreign currency forward contracts
Assets, at fair value
Derivatives-foreign currency forward contracts	$ 5,590	$ 9,126
Liabilities, at fair value
Derivative liabilities	(5,541)	(9,491)
Consolidated Funds  | Asset swaps
Liabilities, at fair value
Derivative liabilities	(1,574)	(1,291)
Consolidated Funds  | Loans and securitization vehicles
Assets, at fair value
Collateralized loan obligations and fixed income securities	10,147,424	10,616,458
Consolidated Funds  | Money market funds and U.S. treasury securities
Assets, at fair value
Collateralized loan obligations and fixed income securities	529,887	523,038
Consolidated Funds  | Bonds
Assets, at fair value
Collateralized loan obligations and fixed income securities	513,801	578,949
Level I  | Consolidated Funds
Assets, at fair value
Common stock and other equity securities	38,620	47,503
Collateralized loan obligations and fixed income securities	529,887	523,038
Partnership interests	0	0
Total investments, at fair value	568,507	570,541
Total assets, at fair value	568,507	570,541
Liabilities, at fair value
Loan obligations of CLOs	0	0
Derivative liabilities	0	0
Total liabilities, at fair value	0	0
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  | Asset swaps
Liabilities, at fair value
Derivative liabilities	0	0
Level I  | Consolidated Funds  | Loans and securitization vehicles
Assets, at fair value
Collateralized loan obligations and fixed income securities	0	0
Level I  | Consolidated Funds  | Money market funds and U.S. treasury securities
Assets, at fair value
Collateralized loan obligations and fixed income securities	529,887	523,038
Level I  | Consolidated Funds  | Bonds
Assets, at fair value
Collateralized loan obligations and fixed income securities	0	0
Level II  | Consolidated Funds
Assets, at fair value
Common stock and other equity securities	2,390	2,750
Collateralized loan obligations and fixed income securities	10,021,907	10,455,294
Partnership interests	0	0
Total investments, at fair value	10,024,297	10,458,044
Total assets, at fair value	10,029,887	10,467,170
Liabilities, at fair value
Loan obligations of CLOs	(11,906,346)	(12,345,657)
Derivative liabilities	(5,541)	(9,491)
Total liabilities, at fair value	(11,911,887)	(12,355,148)
Level II  | Consolidated Funds  | Derivatives-foreign currency forward contracts
Assets, at fair value
Derivatives-foreign currency forward contracts	5,590	9,126
Liabilities, at fair value
Derivative liabilities	(5,541)	(9,491)
Level II  | Consolidated Funds  | Asset swaps
Liabilities, at fair value
Derivative liabilities	0	0
Level II  | Consolidated Funds  | Loans and securitization vehicles
Assets, at fair value
Collateralized loan obligations and fixed income securities	9,508,106	9,879,915
Level II  | Consolidated Funds  | Money market funds and U.S. treasury securities
Assets, at fair value
Collateralized loan obligations and fixed income securities	0	0
Level II  | Consolidated Funds  | Bonds
Assets, at fair value
Collateralized loan obligations and fixed income securities	513,801	575,379
Level III  | Consolidated Funds
Assets, at fair value
Common stock and other equity securities	1,366,464	1,190,400
Collateralized loan obligations and fixed income securities	639,318	740,113
Partnership interests	0	0
Total investments, at fair value	2,005,782	1,930,513
Total assets, at fair value	2,005,782	1,930,513
Liabilities, at fair value
Loan obligations of CLOs	0	0
Derivative liabilities	(1,574)	(1,291)
Total liabilities, at fair value	(1,574)	(1,291)
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  | Asset swaps
Liabilities, at fair value
Derivative liabilities	(1,574)	(1,291)
Level III  | Consolidated Funds  | Loans and securitization vehicles
Assets, at fair value
Collateralized loan obligations and fixed income securities	639,318	736,543
Level III  | Consolidated Funds  | Money market funds and U.S. treasury securities
Assets, at fair value
Collateralized loan obligations and fixed income securities	0	0
Level III  | Consolidated Funds  | Bonds
Assets, at fair value
Collateralized loan obligations and fixed income securities	0	3,570
Investments Measured at NAV | Consolidated Funds
Assets, at fair value
Common stock and other equity securities	0	0
Collateralized loan obligations and fixed income securities	0	0
Partnership interests	1,721,331	1,642,489
Total investments, at fair value	1,721,331	1,642,489
Total assets, at fair value	1,721,331	1,642,489
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  | Asset swaps
Liabilities, at fair value
Derivative liabilities	0	0
Investments Measured at NAV | Consolidated Funds  | Loans and securitization vehicles
Assets, at fair value
Collateralized loan obligations and fixed income securities	0	0
Investments Measured at NAV | Consolidated Funds  | Money market funds and U.S. treasury securities
Assets, at fair value
Collateralized loan obligations and fixed income securities	0	0
Investments Measured at NAV | Consolidated Funds  | Bonds
Assets, at fair value
Collateralized loan obligations and fixed income securities	0	0
Ares Management L.P
Assets, at fair value
Common stock and other equity securities	509,967	499,063
Partnership interests	3,159	6,287
Total investments, at fair value	534,714	631,644
Total assets, at fair value	536,337	632,773
Liabilities, at fair value
Total liabilities, at fair value	(1,365)	(2,645)
Ares Management L.P | Derivatives-foreign currency forward contracts
Assets, at fair value
Derivatives-foreign currency forward contracts	1,623	1,129
Liabilities, at fair value
Derivative liabilities	(1,365)	(2,645)
Ares Management L.P | Collateralized loan obligations and fixed income securities
Assets, at fair value
Collateralized loan obligations and fixed income securities	21,588	126,294
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 fixed income securities
Assets, at fair value
Collateralized loan obligations and fixed income securities	0	0
Ares Management L.P | Level II
Assets, at fair value
Common stock and other equity securities	93,093	86,572
Partnership interests	0	0
Total investments, at fair value	93,093	86,572
Total assets, at fair value	94,716	87,701
Liabilities, at fair value
Total liabilities, at fair value	(1,365)	(2,645)
Ares Management L.P | Level II  | Derivatives-foreign currency forward contracts
Assets, at fair value
Derivatives-foreign currency forward contracts	1,623	1,129
Liabilities, at fair value
Derivative liabilities	(1,365)	(2,645)
Ares Management L.P | Level II  | Collateralized loan obligations and fixed income securities
Assets, at fair value
Collateralized loan obligations and fixed income securities	0	0
Ares Management L.P | Level III
Assets, at fair value
Common stock and other equity securities	416,874	412,491
Partnership interests	0	0
Total investments, at fair value	438,462	538,785
Total assets, at fair value	438,462	538,785
Liabilities, at fair value
Loan obligations of CLOs	(438,462)
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 fixed income securities
Assets, at fair value
Collateralized loan obligations and fixed income securities	21,588	126,294
Ares Management L.P | Investments Measured at NAV
Assets, at fair value
Common stock and other equity securities	0	0
Partnership interests	3,159	6,287
Total investments, at fair value	3,159	6,287
Total assets, at fair value	3,159	6,287
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 fixed income securities
Assets, at fair value
Collateralized loan obligations and fixed income securities	$ 0	$ 0