FAIR VALUE - Schedule of Quantitative Inputs and Assumptions used for Level III Inputs (Details) $ in Thousands	Mar. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)
Level III \| Discounted cash flow
Assets
Equity securities		$ 154,460
Level III \| Discounted cash flow \| Discount rate \| Minimum
Significant Unobservable Input(s)
Equity securities		20
Level III \| Discounted cash flow \| Discount rate \| Maximum
Significant Unobservable Input(s)
Equity securities		0.300
Level III \| Discounted cash flow \| Discount rate \| Weighted Average
Significant Unobservable Input(s)
Equity securities		25
Consolidated Funds
Assets
Equity securities	$ 1,407,474	$ 1,240,653
Partnership interests	1,721,331	1,642,489
Collateralized loan obligations	11,906,346	12,345,657
Fixed income investments	11,191,112	11,718,445
Total assets, at fair value	14,325,507	14,610,713
Liabilities
Derivative instruments	(7,115)	(10,782)
Total liabilities, at fair value	(11,913,461)	(12,356,439)
Consolidated Funds \| Level III
Assets
Equity securities	1,366,464	1,190,400
Partnership interests	0	0
Collateralized loan obligations	0	0
Fixed income investments	639,318	740,113
Total assets, at fair value	2,005,782	1,930,513
Liabilities
Derivative instruments	(1,574)	(1,291)
Total liabilities, at fair value	(1,574)	(1,291)
Consolidated Funds \| Level III \| Discounted cash flow
Assets
Equity securities	774,504	648,581
Fixed income investments	$ 3,876	$ 104
Consolidated Funds \| Level III \| Discounted cash flow \| Discount rate
Significant Unobservable Input(s)
Fixed income investments		0.123
Consolidated Funds \| Level III \| Discounted cash flow \| Discount rate \| Minimum
Significant Unobservable Input(s)
Equity securities	0.100	0.100
Fixed income investments	0.123
Consolidated Funds \| Level III \| Discounted cash flow \| Discount rate \| Maximum
Significant Unobservable Input(s)
Equity securities	0.160	0.160
Fixed income investments	0.127
Consolidated Funds \| Level III \| Discounted cash flow \| Discount rate \| Weighted Average
Significant Unobservable Input(s)
Equity securities	0.130	13
Fixed income investments	0.127	0.123
Consolidated Funds \| Level III \| Market approach \| Equity Securities One
Assets
Equity securities	$ 587,252	$ 537,733
Consolidated Funds \| Level III \| Market approach \| Equity Securities Two
Assets
Equity securities	3,704	3,909
Consolidated Funds \| Level III \| Market approach \| Fixed Income Investments One
Assets
Fixed income investments	$ 128,212	188,322
Consolidated Funds \| Level III \| Market approach \| Fixed Income Investments Two
Assets
Fixed income investments		$ 2,974
Consolidated Funds \| Level III \| Market approach \| Multiple of book value \| Minimum \| Equity Securities One
Significant Unobservable Input(s)
Equity securities	1.0	1.0
Consolidated Funds \| Level III \| Market approach \| Multiple of book value \| Maximum \| Equity Securities One
Significant Unobservable Input(s)
Equity securities	1.7	1.7
Consolidated Funds \| Level III \| Market approach \| Multiple of book value \| Weighted Average \| Equity Securities One
Significant Unobservable Input(s)
Equity securities	1.3	1.3
Consolidated Funds \| Level III \| Market approach \| Yield \| Minimum
Significant Unobservable Input(s)
Fixed income investments	0.088
Consolidated Funds \| Level III \| Market approach \| Yield \| Minimum \| Fixed Income Investments One
Significant Unobservable Input(s)
Fixed income investments		0.083
Consolidated Funds \| Level III \| Market approach \| Yield \| Maximum
Significant Unobservable Input(s)
Fixed income investments	0.171
Consolidated Funds \| Level III \| Market approach \| Yield \| Maximum \| Fixed Income Investments One
Significant Unobservable Input(s)
Fixed income investments		0.241
Consolidated Funds \| Level III \| Market approach \| Yield \| Weighted Average
Significant Unobservable Input(s)
Fixed income investments	0.118
Consolidated Funds \| Level III \| Market approach \| Yield \| Weighted Average \| Fixed Income Investments One
Significant Unobservable Input(s)
Fixed income investments		0.122
Consolidated Funds \| Level III \| Market approach \| EBITDA multiple \| Minimum \| Equity Securities Two
Significant Unobservable Input(s)
Equity securities	5.4	4.5
Consolidated Funds \| Level III \| Market approach \| EBITDA multiple \| Minimum \| Fixed Income Investments Two
Significant Unobservable Input(s)
Fixed income investments		4.5
Consolidated Funds \| Level III \| Market approach \| EBITDA multiple \| Maximum \| Equity Securities Two
Significant Unobservable Input(s)
Equity securities	35.3	32.4
Consolidated Funds \| Level III \| Market approach \| EBITDA multiple \| Maximum \| Fixed Income Investments Two
Significant Unobservable Input(s)
Fixed income investments		32.4
Consolidated Funds \| Level III \| Market approach \| EBITDA multiple \| Weighted Average \| Equity Securities Two
Significant Unobservable Input(s)
Equity securities	9.8	8.9
Consolidated Funds \| Level III \| Market approach \| EBITDA multiple \| Weighted Average \| Fixed Income Investments Two
Significant Unobservable Input(s)
Fixed income investments		9.0
Consolidated Funds \| Level III \| Transaction Price
Assets
Equity securities	$ 871
Fixed income investments	6,410
Consolidated Funds \| Level III \| Broker quotes and/or 3rd party pricing services
Assets
Fixed income investments	500,420	$ 548,264
Liabilities
Derivative instruments	(1,574)	(1,291)
Consolidated Funds \| Level III \| Other
Assets
Equity securities	133	177
Fixed income investments		449
Consolidated Funds \| Level III \| Other \| Fixed Income Investments Two
Assets
Fixed income investments	400
Ares Management L.P
Assets
Equity securities	509,967	499,063
Partnership interests	3,159	6,287
Total assets, at fair value	536,337	632,773
Liabilities
Total liabilities, at fair value	(1,365)	(2,645)
Ares Management L.P \| Level III
Assets
Equity securities	416,874	412,491
Partnership interests	0	0
Collateralized loan obligations	438,462
Total assets, at fair value	438,462	538,785
Liabilities
Total liabilities, at fair value	0	0
Ares Management L.P \| Level III \| Discounted cash flow
Assets
Equity securities	$ 160,318
Ares Management L.P \| Level III \| Discounted cash flow \| Discount rate \| Minimum
Significant Unobservable Input(s)
Equity securities	0.185
Ares Management L.P \| Level III \| Discounted cash flow \| Discount rate \| Maximum
Significant Unobservable Input(s)
Equity securities	0.300
Ares Management L.P \| Level III \| Discounted cash flow \| Discount rate \| Weighted Average
Significant Unobservable Input(s)
Equity securities	0.250
Ares Management L.P \| Level III \| Market approach \| Equity Securities One
Assets
Equity securities	$ 117,952	118,846
Ares Management L.P \| Level III \| Market approach \| Equity Securities Two
Assets
Equity securities	$ 6,179	$ 6,447
Ares Management L.P \| Level III \| Market approach \| Multiple of book value \| Minimum
Significant Unobservable Input(s)
Equity securities	1.3	1.3
Ares Management L.P \| Level III \| Market approach \| Multiple of book value \| Maximum
Significant Unobservable Input(s)
Equity securities	1.4	1.6
Ares Management L.P \| Level III \| Market approach \| Multiple of book value \| Weighted Average
Significant Unobservable Input(s)
Equity securities	1.3	1.5
Ares Management L.P \| Level III \| Market approach \| Enterprise value / Earnings multiple \| Equity Securities Two
Significant Unobservable Input(s)
Equity securities	15.4	15.4
Ares Management L.P \| Level III \| Market approach \| Enterprise value / Earnings multiple \| Weighted Average \| Equity Securities Two
Significant Unobservable Input(s)
Equity securities	15.4	15.4
Ares Management L.P \| Level III \| Transaction Price
Assets
Equity securities	$ 100,000	$ 100,000
Fixed income investments		83,000
Ares Management L.P \| Level III \| Broker quotes and/or 3rd party pricing services
Assets
Fixed income investments	20,010	20,799
Ares Management L.P \| Level III \| Other
Assets
Equity securities	32,425	32,738
Collateralized loan obligations		$ 22,495
Fixed income investments	$ 1,578

Fair value of investment other than investment in equity security, investment in debt security and equity method investment. Includes, but is not limited to, investment in certain entities that calculate net asset value per share. Example includes, but is not limited to, investment in hedge fund, venture capital fund, private equity fund, and real estate partnership or fund.

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