FAIR VALUE - Schedule of Changes in Fair Value of Level III Measurements (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024	Dec. 31, 2024
Consolidated Funds
Level III Net Assets of Consolidated Funds
Balance, beginning of period	$ 2,425,150	$ 2,004,208	$ 2,421,898	$ 1,929,222
Transfer in	85,051	213,045	167,530	149,292
Transfer out	(78,800)	(203,255)	(151,064)	(298,030)
Purchases	287,235	547,398	535,501	981,105
Sales/settlements	(286,075)	(199,490)	(553,909)	(424,037)
Realized and unrealized appreciation (depreciation), net	72,111	26,830	(84,716)	(51,184)
Balance, end of period	2,504,672	2,388,736	2,504,672	2,388,736
Change in net unrealized appreciation/depreciation and fair value included in earnings related to financial assets and liabilities still held at the reporting date	69,244	28,222	84,610	52,538
Level III Liabilities of the Company
Balance, beginning of period	(749)	(1,574)	(1,846)	(1,291)
Transfers in	0	0	0	0
Transfer out	0	0	0	0
Purchases	1	67	124	113
Sales/settlements	0	0	0	0
Realized and unrealized appreciation (depreciation), net	28	(108)	1,002	(437)
Balance, ending of period	(720)	(1,615)	(720)	(1,615)
Change in net unrealized depreciation included in earnings related to financial assets still held at the reporting date	$ 92	$ (169)	$ 973	$ (442)
Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Net realized and unrealized gains (losses) from investments	Net realized and unrealized gains (losses) from investments	Net realized and unrealized gains (losses) from investments	Net realized and unrealized gains (losses) from investments
Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Asset, Gain (Loss), Statement of Other Comprehensive Income or Comprehensive Income [Extensible Enumeration]	Net realized and unrealized gains (losses) from investments	Net realized and unrealized gains (losses) from investments	Net realized and unrealized gains (losses) from investments	Net realized and unrealized gains (losses) from investments
Equity securities	$ 2,039,260		$ 2,039,260		$ 1,861,146
Fixed income investments	7,555,924		7,555,924		8,876,318
Alternative Investment	2,520,314		2,520,314		2,000,380
Total investments, at fair value	12,115,498		12,115,498		12,737,844
Total assets, at fair value	12,123,856		12,123,856		12,740,839
Loan obligations of CLOs	(8,442,225)		(8,442,225)		(9,672,189)
Derivative instruments	$ (9,183)		$ (9,183)		$ (4,734)
Derivative liability, statement of financial position	Liabilities		Liabilities		Liabilities
Total liabilities, at fair value	$ (8,451,408)		$ (8,451,408)		$ (9,676,923)
Consolidated Funds  | Foreign currency forward contracts and interest rate swaps
Level III Liabilities of the Company
Derivatives-foreign currency forward contracts	8,358		8,358		2,995
Derivative instruments	(8,463)		(8,463)		(2,888)
Consolidated Funds  | Asset swaps
Level III Liabilities of the Company
Derivative instruments	(720)		(720)		(1,846)
Consolidated Funds  | Level I
Level III Liabilities of the Company
Equity securities	32,599		32,599		28,603
Fixed income investments	558,150		558,150		550,800
Alternative Investment	0		0		0
Total investments, at fair value	590,749		590,749		579,403
Total assets, at fair value	590,749		590,749		579,403
Loan obligations of CLOs	0		0		0
Derivative instruments	0		0		0
Total liabilities, at fair value	0		0		0
Consolidated Funds  | Level I  | Foreign currency forward contracts and interest rate swaps
Level III Liabilities of the Company
Derivatives-foreign currency forward contracts	0		0		0
Derivative instruments	0		0		0
Consolidated Funds  | Level I  | Asset swaps
Level III Liabilities of the Company
Derivative instruments	0		0		0
Consolidated Funds  | Level II
Level III Liabilities of the Company
Equity securities	2,318		2,318		2,615
Fixed income investments	6,496,725		6,496,725		7,731,701
Alternative Investment	0		0		0
Total investments, at fair value	6,499,043		6,499,043		7,734,316
Total assets, at fair value	6,507,401		6,507,401		7,737,311
Loan obligations of CLOs	(8,442,225)		(8,442,225)		(9,672,189)
Derivative instruments	(8,463)		(8,463)		(2,888)
Total liabilities, at fair value	(8,450,688)		(8,450,688)		(9,675,077)
Consolidated Funds  | Level II  | Foreign currency forward contracts and interest rate swaps
Level III Liabilities of the Company
Derivatives-foreign currency forward contracts	8,358		8,358		2,995
Derivative instruments	(8,463)		(8,463)		(2,888)
Consolidated Funds  | Level II  | Asset swaps
Level III Liabilities of the Company
Derivative instruments	0		0		0
Consolidated Funds  | Level III
Level III Liabilities of the Company
Equity securities	2,004,343		2,004,343		1,829,928
Fixed income investments	501,049		501,049		593,817
Alternative Investment	0		0		0
Total investments, at fair value	2,505,392		2,505,392		2,423,745
Total assets, at fair value	2,505,392		2,505,392		2,423,745
Loan obligations of CLOs	0		0		0
Derivative instruments	(720)		(720)		(1,846)
Total liabilities, at fair value	(720)		(720)		(1,846)
Consolidated Funds  | Level III  | Foreign currency forward contracts and interest rate swaps
Level III Liabilities of the Company
Derivatives-foreign currency forward contracts	0		0		0
Derivative instruments	0		0		0
Consolidated Funds  | Level III  | Asset swaps
Level III Liabilities of the Company
Derivative instruments	(720)		(720)		(1,846)
Consolidated Funds  | Investments Measured at NAV
Level III Liabilities of the Company
Equity securities	0		0		0
Fixed income investments	0		0		0
Alternative Investment	2,520,314		2,520,314		2,000,380
Total investments, at fair value	2,520,314		2,520,314		2,000,380
Total assets, at fair value	2,520,314		2,520,314		2,000,380
Loan obligations of CLOs	0		0		0
Derivative instruments	0		0		0
Total liabilities, at fair value	0		0		0
Consolidated Funds  | Investments Measured at NAV | Foreign currency forward contracts and interest rate swaps
Level III Liabilities of the Company
Derivatives-foreign currency forward contracts	0		0		0
Derivative instruments	0		0		0
Consolidated Funds  | Investments Measured at NAV | Asset swaps
Level III Liabilities of the Company
Derivative instruments	0		0		0
Equity securities | Consolidated Funds
Level III Net Assets of Consolidated Funds
Balance, beginning of period	1,844,907	$ 1,366,464	1,829,927	$ 1,190,400
Transfer in	0	413	1	475
Transfer out	0	0	0	0
Purchases	90,043	191,639	90,327	346,112
Sales/settlements	(29)	0	(118)	0
Realized and unrealized appreciation (depreciation), net	69,422	28,338	(84,206)	(49,867)
Balance, end of period	2,004,343	1,586,854	2,004,343	1,586,854
Change in net unrealized appreciation/depreciation and fair value included in earnings related to financial assets and liabilities still held at the reporting date	69,396	30,259	84,510	51,952
Fixed Income | Consolidated Funds
Level III Net Assets of Consolidated Funds
Balance, beginning of period	580,992	639,318	593,817	740,113
Transfer in	85,051	212,632	167,529	148,817
Transfer out	(78,800)	(203,255)	(151,064)	(298,030)
Purchases	197,191	355,692	445,050	634,880
Sales/settlements	(286,046)	(199,490)	(553,791)	(424,037)
Realized and unrealized appreciation (depreciation), net	2,661	(1,400)	492	(1,754)
Balance, end of period	501,049	803,497	501,049	803,497
Change in net unrealized appreciation/depreciation and fair value included in earnings related to financial assets and liabilities still held at the reporting date	(244)	(1,868)	(873)	1,028
Ares Management L.P
Level III Net Assets of Consolidated Funds
Balance, beginning of period	(39,915)	438,462	435,462	538,785
Transfer in	10,004	60,917	10,004	60,917
Transfer out	(10,000)	(37,587)	(10,000)	(37,587)
Purchases	35,641	265,057	47,717	267,353
Change in fair value	(25,536)		(27,860)
Sales/settlements	(14,780)	(253,164)	(38,437)	(362,306)
Realized and unrealized appreciation (depreciation), net	5,945	(1,868)	(9,553)	(4,655)
Balance, end of period	(38,641)	471,817	(38,641)	471,817
Change in net unrealized appreciation/depreciation and fair value included in earnings related to financial assets and liabilities still held at the reporting date	(19,058)	(2,910)	(17,101)	3,613
Level III Liabilities of the Company
Established in connection with acquisition			(465,080)
Money market funds					1,071,071
Equity securities	653,336		653,336		515,216
Alternative Investment	2,574		2,574		238
Total investments, at fair value	706,321		706,321		557,287
Total assets, at fair value	707,048		707,048		1,632,095
Contingent consideration	(510,490)		(510,490)		(17,550)
Total liabilities, at fair value	(517,632)		(517,632)		(17,766)
Ares Management L.P | Foreign currency forward contracts and interest rate swaps
Level III Liabilities of the Company
Derivatives-foreign currency forward contracts	727		727		3,737
Derivative instruments	(7,142)		(7,142)		(216)
Ares Management L.P | Level I
Level III Liabilities of the Company
Money market funds					1,071,071
Equity securities	86,307		86,307		0
Alternative Investment	0		0		0
Total investments, at fair value	86,307		86,307		0
Total assets, at fair value	86,307		86,307		1,071,071
Contingent consideration	0		0		0
Total liabilities, at fair value	0		0		0
Ares Management L.P | Level I  | Foreign currency forward contracts and interest rate swaps
Level III Liabilities of the Company
Derivatives-foreign currency forward contracts	0		0		0
Derivative instruments	0		0		0
Ares Management L.P | Level II
Level III Liabilities of the Company
Money market funds					0
Equity securities	145,591		145,591		104,037
Alternative Investment	0		0		0
Total investments, at fair value	145,591		145,591		104,037
Total assets, at fair value	146,318		146,318		107,774
Contingent consideration	0		0		0
Total liabilities, at fair value	(7,142)		(7,142)		(216)
Ares Management L.P | Level II  | Foreign currency forward contracts and interest rate swaps
Level III Liabilities of the Company
Derivatives-foreign currency forward contracts	727		727		3,737
Derivative instruments	(7,142)		(7,142)		(216)
Ares Management L.P | Level III
Level III Liabilities of the Company
Money market funds					0
Equity securities	421,438		421,438		411,179
Alternative Investment	0		0		0
Total investments, at fair value	471,849		471,849		453,012
Total assets, at fair value	471,849		471,849		453,012
Contingent consideration	(510,490)		(510,490)		(17,550)
Total liabilities, at fair value	(510,490)		(510,490)		(17,550)
Ares Management L.P | Level III  | Foreign currency forward contracts and interest rate swaps
Level III Liabilities of the Company
Derivatives-foreign currency forward contracts	0		0		0
Derivative instruments	0		0		0
Ares Management L.P | Investments Measured at NAV
Level III Liabilities of the Company
Money market funds					0
Equity securities	0		0		0
Alternative Investment	2,574		2,574		238
Total investments, at fair value	2,574		2,574		238
Total assets, at fair value	2,574		2,574		238
Contingent consideration	0		0		0
Total liabilities, at fair value	0		0		0
Ares Management L.P | Investments Measured at NAV | Foreign currency forward contracts and interest rate swaps
Level III Liabilities of the Company
Derivatives-foreign currency forward contracts	0		0		0
Derivative instruments	0		0		$ 0
Ares Management L.P | Contingent Consideration
Level III Liabilities of the Company
Balance, beginning of period	(484,954)		(17,550)
Established in connection with acquisition			(465,080)
Transfers in	0		0
Transfer out	0		0
Purchases	0		0
Change in fair value	(25,536)		(27,860)
Sales/settlements	0		0
Realized and unrealized appreciation (depreciation), net	0		0
Balance, ending of period	(510,490)		(510,490)
Change in net unrealized depreciation included in earnings related to financial assets still held at the reporting date	(25,536)		27,860
Ares Management L.P | Equity securities
Level III Net Assets of Consolidated Funds
Balance, beginning of period	426,377	416,874	411,179	412,491
Established in connection with acquisition			0
Transfer in	0	0	0	0
Transfer out	(10,000)	(37,587)	(10,000)	(37,587)
Purchases	0	1,650	10,546	1,680
Change in fair value	0		0
Sales/settlements	0	(1,790)	0	(2,572)
Realized and unrealized appreciation (depreciation), net	5,061	296	(9,713)	(5,431)
Balance, end of period	421,438	379,443	421,438	379,443
Change in net unrealized appreciation/depreciation and fair value included in earnings related to financial assets and liabilities still held at the reporting date	5,061	(1,354)	9,713	3,780
Ares Management L.P | Fixed Income
Level III Net Assets of Consolidated Funds
Balance, beginning of period	18,662	21,588	41,833	126,294
Established in connection with acquisition			0
Transfer in	10,004	60,917	10,004	60,917
Transfer out	0	0	0	0
Purchases	35,641	263,407	37,171	265,673
Change in fair value	0		0
Sales/settlements	(14,780)	(251,374)	(38,437)	(359,734)
Realized and unrealized appreciation (depreciation), net	884	(2,164)	160	776
Balance, end of period	50,411	92,374	50,411	92,374
Change in net unrealized appreciation/depreciation and fair value included in earnings related to financial assets and liabilities still held at the reporting date	$ 1,417	$ (1,556)	$ 1,046	$ (167)