SEGMENT REPORTING - Operating Segments (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Segment reporting
Total revenues	$ 4,212,091	$ 1,764,046	$ 1,765,438
Compensation and benefits	(1,162,633)
General, administrative and other expenses	(444,178)
Operating segment
Segment reporting
Fee related earnings	(1,031,200)	(667,988)	(576,393)
Performance income—realized	474,427	524,229	348,211
Performance related compensation—realized	(328,583)	(399,462)	(258,355)
Realized net investment income (loss)	25,095	33,730	69,715
Realized income	(1,202,139)	(826,485)	(735,964)
OMG
Segment reporting
Total revenues	8,478	0	0
Compensation and benefits	(226,725)	(155,979)	(139,162)
General, administrative and other expenses	(100,645)	(80,778)	(91,292)
Fee related earnings	(318,892)	(236,757)	(230,454)
Performance income—realized	0	0	0
Performance related compensation—realized	0	0	0
Realized net performance income	0	0	0
Investment income (loss)—realized	0	(5,698)	0
Interest and other investment income (expense)—realized	226	(739)	(160)
Interest expense	(536)	(1,335)	(1,864)
Realized net investment income (loss)	(310)	(7,772)	(2,024)
Realized income	(319,202)	(244,529)	(232,478)
Total
Segment reporting
Compensation and benefits	(894,842)	(626,172)	(560,234)
General, administrative and other expenses	(215,777)	(172,097)	(178,742)
Fee related earnings	712,308	431,231	345,939
Performance income—realized	474,427	524,229	348,211
Performance related compensation—realized	(328,583)	(399,462)	(258,355)
Realized net performance income	145,844	124,767	89,856
Investment income (loss)—realized	15,967	24,252	58,173
Interest and other investment income (expense)—realized	45,578	26,614	29,189
Interest expense	(36,760)	(24,908)	(19,671)
Realized net investment income (loss)	24,785	25,958	67,691
Realized income	882,937	581,956	503,486
Ares Management L.P
Segment reporting
Total revenues	4,212,091	1,764,046	1,765,438
Compensation and benefits	(1,162,633)	(767,252)	(653,352)
General, administrative and other expenses	(444,178)	(258,999)	(270,219)
Ares Management L.P | Operating segment
Segment reporting
Compensation and benefits	(668,117)	(470,193)	(421,072)
General, administrative and other expenses	(115,132)	(91,319)	(87,450)
Fee related earnings	1,031,200	667,988	576,393
Performance income—realized	474,427	524,229	348,211
Performance related compensation—realized	(328,583)	(399,462)	(258,355)
Realized net performance income	145,844	124,767	89,856
Investment income (loss)—realized	15,967	29,950	58,173
Interest and other investment income (expense)—realized	45,352	27,353	29,349
Interest expense	(36,224)	(23,573)	(17,807)
Realized net investment income (loss)	25,095	33,730	69,715
Realized income	1,202,139	826,485	735,964
Ares Management L.P | Operating segment | Credit Group
Segment reporting
Compensation and benefits	(410,394)	(320,111)	(292,733)
General, administrative and other expenses	(54,686)	(53,997)	(55,103)
Fee related earnings	719,111	507,834	435,856
Performance income—realized	207,446	70,148	51,727
Performance related compensation—realized	(131,900)	(44,582)	(30,570)
Realized net performance income	75,546	25,566	21,157
Investment income (loss)—realized	1,989	(2,309)	2,457
Interest and other investment income (expense)—realized	20,377	16,314	18,670
Interest expense	(8,038)	(8,722)	(6,497)
Realized net investment income (loss)	14,328	5,283	14,630
Realized income	808,985	538,683	471,643
Ares Management L.P | Operating segment | Private Equity Group
Segment reporting
Compensation and benefits	(92,485)	(90,129)	(78,259)
General, administrative and other expenses	(25,044)	(22,145)	(19,098)
Fee related earnings	114,879	109,064	114,419
Performance income—realized	171,637	392,635	264,439
Performance related compensation—realized	(137,576)	(315,905)	(211,550)
Realized net performance income	34,061	76,730	52,889
Investment income (loss)—realized	9,259	29,100	47,696
Interest and other investment income (expense)—realized	12,819	5,987	5,046
Interest expense	(8,811)	(8,186)	(7,486)
Realized net investment income (loss)	13,267	26,901	45,256
Realized income	162,207	212,695	212,564
Ares Management L.P | Operating segment | Real Estate Group
Segment reporting
Compensation and benefits	(113,350)	(53,511)	(50,080)
General, administrative and other expenses	(20,762)	(12,251)	(13,249)
Fee related earnings	99,107	33,719	26,118
Performance income—realized	95,270	61,446	32,045
Performance related compensation—realized	(59,056)	(38,975)	(16,235)
Realized net performance income	36,214	22,471	15,810
Investment income (loss)—realized	4,687	3,146	8,020
Interest and other investment income (expense)—realized	5,947	4,056	5,633
Interest expense	(5,508)	(5,200)	(3,824)
Realized net investment income (loss)	5,126	2,002	9,829
Realized income	140,447	58,192	51,757
Ares Management L.P | Operating segment | Secondary Solutions Group
Segment reporting
Compensation and benefits	(25,215)	0	0
General, administrative and other expenses	(6,862)	0	0
Fee related earnings	65,868	0	0
Performance income—realized	70	0	0
Performance related compensation—realized	(49)	0	0
Realized net performance income	21	0	0
Investment income (loss)—realized	19	0	0
Interest and other investment income (expense)—realized	2,261	0	0
Interest expense	(836)	0	0
Realized net investment income (loss)	1,444	0	0
Realized income	67,333	0	0
Ares Management L.P | Operating segment | Strategic Initiatives
Segment reporting
Compensation and benefits	(26,673)	(6,442)	0
General, administrative and other expenses	(7,778)	(2,926)	0
Fee related earnings	32,235	17,371	0
Performance income—realized	4	0	0
Performance related compensation—realized	(2)	0	0
Realized net performance income	2	0	0
Investment income (loss)—realized	13	13	0
Interest and other investment income (expense)—realized	3,948	996	0
Interest expense	(13,031)	(1,465)	0
Realized net investment income (loss)	(9,070)	(456)	0
Realized income	23,167	16,915	0
Management fees
Segment reporting
Total revenues	1,611,047
Management fees | OMG
Segment reporting
Total revenues	0	0	0
Management fees | Total
Segment reporting
Total revenues	1,635,277	1,186,565	1,012,530
Management fees | Ares Management L.P
Segment reporting
Total revenues	1,611,047	1,150,608	979,417
Management fees | Ares Management L.P | Operating segment
Segment reporting
Total revenues	1,635,277	1,186,565	1,012,530
Management fees | Ares Management L.P | Operating segment | Credit Group
Segment reporting
Total revenues	1,070,608	841,138	713,853
Management fees | Ares Management L.P | Operating segment | Private Equity Group
Segment reporting
Total revenues	231,282	221,160	211,614
Management fees | Ares Management L.P | Operating segment | Real Estate Group
Segment reporting
Total revenues	168,838	97,680	87,063
Management fees | Ares Management L.P | Operating segment | Secondary Solutions Group
Segment reporting
Total revenues	97,945	0	0
Management fees | Ares Management L.P | Operating segment | Strategic Initiatives
Segment reporting
Total revenues	66,604	26,587	0
Fee related performance revenues | OMG
Segment reporting
Total revenues	0	0	0
Fee related performance revenues | Total
Segment reporting
Total revenues	137,879	22,987	54,307
Fee related performance revenues | Ares Management L.P | Operating segment
Segment reporting
Total revenues	137,879	22,987	54,307
Fee related performance revenues | Ares Management L.P | Operating segment | Credit Group
Segment reporting
Total revenues	86,480	22,160	52,715
Fee related performance revenues | Ares Management L.P | Operating segment | Private Equity Group
Segment reporting
Total revenues	0	0	0
Fee related performance revenues | Ares Management L.P | Operating segment | Real Estate Group
Segment reporting
Total revenues	51,399	827	1,592
Fee related performance revenues | Ares Management L.P | Operating segment | Secondary Solutions Group
Segment reporting
Total revenues	0	0	0
Fee related performance revenues | Ares Management L.P | Operating segment | Strategic Initiatives
Segment reporting
Total revenues	0	0	0
Other fees | OMG
Segment reporting
Total revenues	8,478	0	0
Other fees | Total
Segment reporting
Total revenues	49,771	19,948	18,078
Other fees | Ares Management L.P | Operating segment
Segment reporting
Total revenues	41,293	19,948	18,078
Other fees | Ares Management L.P | Operating segment | Credit Group
Segment reporting
Total revenues	27,103	18,644	17,124
Other fees | Ares Management L.P | Operating segment | Private Equity Group
Segment reporting
Total revenues	1,126	178	162
Other fees | Ares Management L.P | Operating segment | Real Estate Group
Segment reporting
Total revenues	12,982	974	792
Other fees | Ares Management L.P | Operating segment | Secondary Solutions Group
Segment reporting
Total revenues	0	0	0
Other fees | Ares Management L.P | Operating segment | Strategic Initiatives
Segment reporting
Total revenues	$ 82	$ 152	$ 0