FAIR VALUE - Schedule of Quantitative Inputs and Assumptions Used for Level III Inputs (Details)	Jun. 30, 2025 USD ($)	Dec. 31, 2024 USD ($)
Consolidated Funds
Assets
Equity securities	$ 2,039,260,000	$ 1,861,146,000
Fixed income investments	7,555,924,000	8,876,318,000
Total assets, at fair value	12,123,856,000	12,740,839,000
Liabilities
Derivative instruments	(9,183,000)	(4,734,000)
Total liabilities, at fair value	(8,451,408,000)	(9,676,923,000)
Consolidated Funds  | Level III
Assets
Equity securities	2,004,343,000	1,829,928,000
Fixed income investments	501,049,000	593,817,000
Total assets, at fair value	2,505,392,000	2,423,745,000
Liabilities
Derivative instruments	(720,000)	(1,846,000)
Total liabilities, at fair value	(720,000)	(1,846,000)
Consolidated Funds  | Level III  | Market approach
Assets
Fixed income investments	173,899,000	284,950,000
Consolidated Funds  | Level III  | Market approach | Equity Securities One
Assets
Equity securities	918,400,000	835,432,000
Consolidated Funds  | Level III  | Market approach | Equity Securities Two
Assets
Equity securities	7,191,000	$ 8,598,000
Consolidated Funds  | Level III  | Market approach | Equity Securities Three
Assets
Equity securities	$ 817,000
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	1.4
Consolidated Funds  | Level III  | Market approach | Yield | Minimum
Significant Unobservable Input(s)
Fixed income investments	0.068	0.074
Consolidated Funds  | Level III  | Market approach | Yield | Minimum | Equity Securities Three
Significant Unobservable Input(s)
Equity securities	0.080
Consolidated Funds  | Level III  | Market approach | Yield | Maximum
Significant Unobservable Input(s)
Fixed income investments	0.140	0.286
Consolidated Funds  | Level III  | Market approach | Yield | Maximum | Equity Securities Three
Significant Unobservable Input(s)
Equity securities	0.140
Consolidated Funds  | Level III  | Market approach | Yield | Weighted Average
Significant Unobservable Input(s)
Fixed income investments	0.095	0.099
Consolidated Funds  | Level III  | Market approach | Yield | Weighted Average | Equity Securities Three
Significant Unobservable Input(s)
Equity securities	0.095
Consolidated Funds  | Level III  | Market approach | EBITDA multiple | Minimum | Equity Securities Two
Significant Unobservable Input(s)
Equity securities	5.5	5.6
Consolidated Funds  | Level III  | Market approach | EBITDA multiple | Maximum | Equity Securities Two
Significant Unobservable Input(s)
Equity securities	35.0	34.6
Consolidated Funds  | Level III  | Market approach | EBITDA multiple | Weighted Average | Equity Securities Two
Significant Unobservable Input(s)
Equity securities	8.5	10.7
Consolidated Funds  | Level III  | Discounted cash flow
Assets
Equity securities	$ 1,077,935,000	$ 985,109,000
Fixed income investments	$ 1,255,000	$ 192,000
Consolidated Funds  | Level III  | Discounted cash flow | Discount rate | Minimum
Significant Unobservable Input(s)
Equity securities	0.100	0.100
Fixed income investments	0.125
Consolidated Funds  | Level III  | Discounted cash flow | Discount rate | Maximum
Significant Unobservable Input(s)
Equity securities	0.200	0.200
Fixed income investments	0.200
Consolidated Funds  | Level III  | Discounted cash flow | Discount rate | Weighted Average
Significant Unobservable Input(s)
Equity securities	0.120	13
Fixed income investments	0.125
Consolidated Funds  | Level III  | Broker quotes and/or 3rd party pricing services
Assets
Fixed income investments	$ 325,895,000	$ 308,675,000
Liabilities
Derivative instruments	(720,000)	(1,846,000)
Consolidated Funds  | Level III  | Other
Assets
Equity securities		789,000
Ares Management L.P
Assets
Equity securities	653,336,000	515,216,000
Total assets, at fair value	707,048,000	1,632,095,000
Liabilities
Contingent consideration	(510,490,000)	(17,550,000)
Total liabilities, at fair value	(517,632,000)	(17,766,000)
Ares Management L.P | Level III
Assets
Equity securities	421,438,000	411,179,000
Total assets, at fair value	471,849,000	453,012,000
Liabilities
Contingent consideration	(510,490,000)	(17,550,000)
Total liabilities, at fair value	$ (510,490,000)	$ (17,550,000)
Ares Management L.P | Level III  | Volatility | Minimum
Significant Unobservable Input(s)
Contingent consideration	0.111	0.111
Ares Management L.P | Level III  | Volatility | Maximum
Significant Unobservable Input(s)
Contingent consideration	0.151
Ares Management L.P | Level III  | Volatility | Weighted Average
Significant Unobservable Input(s)
Contingent consideration	0.131	0.111
Ares Management L.P | Level III  | Transaction Price
Assets
Equity securities		$ 168,387,000
Fixed income investments		22,283,000
Ares Management L.P | Level III  | Transaction Price | Equity Securities One
Assets
Equity securities	$ 172,281,000
Ares Management L.P | Level III  | Market yield analysis
Assets
Equity securities	100,000,000
Fixed income investments	$ 31,085,000
Ares Management L.P | Level III  | Market yield analysis | Market interest rate
Significant Unobservable Input(s)
Equity securities	0.080
Fixed income investments	0.165
Ares Management L.P | Level III  | Market yield analysis | Market interest rate | Weighted Average
Significant Unobservable Input(s)
Equity securities	0.080
Fixed income investments	0.165
Ares Management L.P | Level III  | Market approach
Assets
Equity securities	$ 11,234,000
Ares Management L.P | Level III  | Market approach | Equity Securities One
Assets
Equity securities		100,000,000
Ares Management L.P | Level III  | Market approach | Equity Securities Two
Assets
Equity securities	$ 78,612,000	57,659,000
Ares Management L.P | Level III  | Market approach | Equity Securities Three
Assets
Equity securities		56,918,000
Ares Management L.P | Level III  | Market approach | Equity Securities Four
Assets
Equity securities		$ 8,489,000
Ares Management L.P | Level III  | Market approach | Multiple of book value | Minimum | Equity Securities Two
Significant Unobservable Input(s)
Equity securities	0.4	1.0
Ares Management L.P | Level III  | Market approach | Multiple of book value | Minimum | Equity Securities Three
Significant Unobservable Input(s)
Equity securities		1.2
Ares Management L.P | Level III  | Market approach | Multiple of book value | Maximum | Equity Securities Two
Significant Unobservable Input(s)
Equity securities	1.5	1.1
Ares Management L.P | Level III  | Market approach | Multiple of book value | Maximum | Equity Securities Three
Significant Unobservable Input(s)
Equity securities		1.7
Ares Management L.P | Level III  | Market approach | Multiple of book value | Weighted Average | Equity Securities Two
Significant Unobservable Input(s)
Equity securities	1.2	1.0
Ares Management L.P | Level III  | Market approach | Multiple of book value | Weighted Average | Equity Securities Three
Significant Unobservable Input(s)
Equity securities		1.4
Ares Management L.P | Level III  | Market approach | Earnings multiple | Equity Securities Four
Significant Unobservable Input(s)
Equity securities		15.4
Ares Management L.P | Level III  | Market approach | Earnings multiple | Minimum
Significant Unobservable Input(s)
Equity securities	15.4
Ares Management L.P | Level III  | Market approach | Earnings multiple | Weighted Average
Significant Unobservable Input(s)
Equity securities	15.4
Ares Management L.P | Level III  | Market approach | Earnings multiple | Weighted Average | Equity Securities Four
Significant Unobservable Input(s)
Equity securities		15.4
Ares Management L.P | Level III  | Market approach | Yield | Minimum | Equity Securities One
Significant Unobservable Input(s)
Equity securities		0.080
Ares Management L.P | Level III  | Market approach | Yield | Weighted Average | Equity Securities One
Significant Unobservable Input(s)
Equity securities		0.080
Ares Management L.P | Level III  | Discounted cash flow
Assets
Equity securities	$ 40,481,000
Ares Management L.P | Level III  | Discounted cash flow | Equity Securities Three
Assets
Equity securities		$ 521,000
Ares Management L.P | Level III  | Discounted cash flow | Discount rate | Minimum
Significant Unobservable Input(s)
Equity securities	0.110
Ares Management L.P | Level III  | Discounted cash flow | Discount rate | Minimum | Equity Securities Two
Significant Unobservable Input(s)
Equity securities		0.100
Ares Management L.P | Level III  | Discounted cash flow | Discount rate | Minimum | Equity Securities Three
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	0.150
Ares Management L.P | Level III  | Discounted cash flow | Discount rate | Maximum | Equity Securities Two
Significant Unobservable Input(s)
Equity securities		0.140
Ares Management L.P | Level III  | Discounted cash flow | Discount rate | Maximum | Equity Securities Three
Significant Unobservable Input(s)
Equity securities		0.215
Ares Management L.P | Level III  | Discounted cash flow | Discount rate | Weighted Average
Significant Unobservable Input(s)
Equity securities	0.130
Ares Management L.P | Level III  | Discounted cash flow | Discount rate | Weighted Average | Equity Securities Two
Significant Unobservable Input(s)
Equity securities		0.120
Ares Management L.P | Level III  | Discounted cash flow | Discount rate | Weighted Average | Equity Securities Three
Significant Unobservable Input(s)
Equity securities		0.200
Ares Management L.P | Level III  | Option Pricing Model
Assets
Equity securities	$ 18,830,000	$ 19,205,000
Ares Management L.P | Level III  | Option Pricing Model | Volatility
Significant Unobservable Input(s)
Equity securities	0.350	0.350
Ares Management L.P | Level III  | Option Pricing Model | Volatility | Weighted Average
Significant Unobservable Input(s)
Equity securities	0.350	0.350
Ares Management L.P | Level III  | Broker quotes and/or 3rd party pricing services
Assets
Fixed income investments	$ 19,326,000	$ 19,040,000
Ares Management L.P | Level III  | Monte Carlo simulation
Liabilities
Contingent consideration	$ (510,490,000)	$ (17,550,000)
Ares Management L.P | Level III  | Monte Carlo simulation | Discount rate | Minimum
Significant Unobservable Input(s)
Contingent consideration	0.066	0.066
Ares Management L.P | Level III  | Monte Carlo simulation | Discount rate | Maximum
Significant Unobservable Input(s)
Contingent consideration	0.070	0.069
Ares Management L.P | Level III  | Monte Carlo simulation | Discount rate | Weighted Average
Significant Unobservable Input(s)
Contingent consideration	0.068	0.068
Ares Management L.P | Level III  | Other
Assets
Fixed income investments		$ 510,000