SEGMENT REPORTING - Operating Segments (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Segment reporting
Total revenues	$ 714,999	$ 658,388
Compensation and benefits	(357,243)
General, administrative and other expenses	(120,523)
Operating segment
Segment reporting
Fee related earnings	(296,245)	(192,326)
Performance income—realized	43,868	74,945
Performance related compensation—realized	(28,575)	(59,857)
Realized net investment income (loss)	1,505	(7,823)
Realized income	(313,043)	(199,591)
OMG
Segment reporting
Total revenues	5,876	0
Compensation and benefits	(64,067)	(44,407)
General, administrative and other expenses	(32,384)	(18,656)
Fee related earnings	(90,575)	(63,063)
Performance income—realized	0	0
Performance related compensation—realized	0	0
Realized net performance income	0	0
Investment income (loss)—realized	0	0
Interest and other investment income (expense)—realized	(284)	355
Interest expense	(167)	(90)
Realized net investment income (loss)	(451)	265
Realized income	(91,026)	(62,798)
Total
Segment reporting
Compensation and benefits	(242,007)	(167,377)
General, administrative and other expenses	(67,810)	(39,663)
Fee related earnings	205,670	129,263
Performance income—realized	43,868	74,945
Performance related compensation—realized	(28,575)	(59,857)
Realized net performance income	15,293	15,088
Investment income (loss)—realized	6,332	(7,392)
Interest and other investment income (expense)—realized	10,368	6,529
Interest expense	(15,646)	(6,695)
Realized net investment income (loss)	1,054	(7,558)
Realized income	222,017	136,793
Ares Management L.P
Segment reporting
Total revenues	714,999	658,388
Compensation and benefits	(357,243)	(231,850)
General, administrative and other expenses	(120,523)	(67,656)
Ares Management L.P | Operating segment
Segment reporting
Compensation and benefits	(177,940)	(122,970)
General, administrative and other expenses	(35,426)	(21,007)
Fee related earnings	296,245	192,326
Performance income—realized	43,868	74,945
Performance related compensation—realized	(28,575)	(59,857)
Realized net performance income	15,293	15,088
Investment income (loss)—realized	6,332	(7,392)
Interest and other investment income (expense)—realized	10,652	6,174
Interest expense	(15,479)	(6,605)
Realized net investment income (loss)	1,505	(7,823)
Realized income	313,043	199,591
Ares Management L.P | Operating segment | Credit Group
Segment reporting
Compensation and benefits	(105,696)	(81,203)
General, administrative and other expenses	(16,697)	(10,809)
Fee related earnings	198,885	148,204
Performance income—realized	7,363	2,446
Performance related compensation—realized	(4,580)	(2,055)
Realized net performance income	2,783	391
Investment income (loss)—realized	415	0
Interest and other investment income (expense)—realized	5,726	3,669
Interest expense	(3,414)	(1,515)
Realized net investment income (loss)	2,727	2,154
Realized income	204,395	150,749
Ares Management L.P | Operating segment | Private Equity Group
Segment reporting
Compensation and benefits	(19,566)	(16,848)
General, administrative and other expenses	(6,288)	(4,486)
Fee related earnings	20,400	17,912
Performance income—realized	2,212	71,218
Performance related compensation—realized	(1,786)	(57,026)
Realized net performance income	426	14,192
Investment income (loss)—realized	1,603	(8,898)
Interest and other investment income (expense)—realized	1,502	118
Interest expense	(3,373)	(1,453)
Realized net investment income (loss)	(268)	(10,233)
Realized income	20,558	21,871
Ares Management L.P | Operating segment | Real Assets Group
Segment reporting
Compensation and benefits	(33,637)	(20,179)
General, administrative and other expenses	(7,637)	(3,677)
Fee related earnings	39,437	17,283
Performance income—realized	34,293	1,281
Performance related compensation—realized	(22,209)	(776)
Realized net performance income	12,084	505
Investment income (loss)—realized	3,453	1,506
Interest and other investment income (expense)—realized	2,777	2,354
Interest expense	(2,389)	(1,335)
Realized net investment income (loss)	3,841	2,525
Realized income	55,362	20,313
Ares Management L.P | Operating segment | Secondary Solutions Group
Segment reporting
Compensation and benefits	(11,640)	0
General, administrative and other expenses	(3,078)	0
Fee related earnings	29,786	0
Performance income—realized	0	0
Performance related compensation—realized	0	0
Realized net performance income	0	0
Investment income (loss)—realized	0	0
Interest and other investment income (expense)—realized	644	0
Interest expense	(465)	0
Realized net investment income (loss)	179	0
Realized income	29,965	0
Ares Management L.P | Operating segment | Strategic Initiatives
Segment reporting
Compensation and benefits	(7,401)	(4,740)
General, administrative and other expenses	(1,726)	(2,035)
Fee related earnings	7,737	8,927
Performance income—realized	0	0
Performance related compensation—realized	0	0
Realized net performance income	0	0
Investment income (loss)—realized	861	0
Interest and other investment income (expense)—realized	3	33
Interest expense	(5,838)	(2,302)
Realized net investment income (loss)	(4,974)	(2,269)
Realized income	2,763	6,658
Management fees
Segment reporting
Total revenues	477,332
Management fees | OMG
Segment reporting
Total revenues	0	0
Management fees | Total
Segment reporting
Total revenues	482,921	327,463
Management fees | Ares Management L.P
Segment reporting
Total revenues	477,332	320,273
Management fees | Ares Management L.P | Operating segment
Segment reporting
Total revenues	482,921	327,463
Management fees | Ares Management L.P | Operating segment | Credit Group
Segment reporting
Total revenues	303,159	232,877
Management fees | Ares Management L.P | Operating segment | Private Equity Group
Segment reporting
Total revenues	45,957	39,138
Management fees | Ares Management L.P | Operating segment | Real Assets Group
Segment reporting
Total revenues	72,487	39,825
Management fees | Ares Management L.P | Operating segment | Secondary Solutions Group
Segment reporting
Total revenues	44,504	0
Management fees | Ares Management L.P | Operating segment | Strategic Initiatives
Segment reporting
Total revenues	16,814	15,623
Fee related performance revenues | OMG
Segment reporting
Total revenues	0	0
Fee related performance revenues | Total
Segment reporting
Total revenues	12,711	2,036
Fee related performance revenues | Ares Management L.P | Operating segment
Segment reporting
Total revenues	12,711	2,036
Fee related performance revenues | Ares Management L.P | Operating segment | Credit Group
Segment reporting
Total revenues	12,353	1,370
Fee related performance revenues | Ares Management L.P | Operating segment | Private Equity Group
Segment reporting
Total revenues	0	0
Fee related performance revenues | Ares Management L.P | Operating segment | Real Assets Group
Segment reporting
Total revenues	358	666
Fee related performance revenues | Ares Management L.P | Operating segment | Secondary Solutions Group
Segment reporting
Total revenues	0	0
Fee related performance revenues | Ares Management L.P | Operating segment | Strategic Initiatives
Segment reporting
Total revenues	0	0
Other fees | OMG
Segment reporting
Total revenues	5,876	0
Other fees | Total
Segment reporting
Total revenues	19,855	6,804
Other fees | Ares Management L.P | Operating segment
Segment reporting
Total revenues	13,979	6,804
Other fees | Ares Management L.P | Operating segment | Credit Group
Segment reporting
Total revenues	5,766	5,969
Other fees | Ares Management L.P | Operating segment | Private Equity Group
Segment reporting
Total revenues	297	108
Other fees | Ares Management L.P | Operating segment | Real Assets Group
Segment reporting
Total revenues	7,866	648
Other fees | Ares Management L.P | Operating segment | Secondary Solutions Group
Segment reporting
Total revenues	0	0
Other fees | Ares Management L.P | Operating segment | Strategic Initiatives
Segment reporting
Total revenues	$ 50	$ 79