CONSOLIDATION (Income Statement) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019
Revenues
Total revenues	$ 13,409				$ 477,197
Expenses
Total expenses	81,959				369,107
Other income (expense)
Total other income (expense)	(227,863)				27,870
Income (loss) before taxes	(296,413)				135,960
Income tax expense (benefit)	(20,616)				14,384
Net income (loss)	(275,797)	$ 84,475	$ 91,875	$ 74,878	121,576
Net income (loss) attributable to Ares Management Corporation	(31,036)				44,949
Less: Series A Preferred Stock dividends paid	5,425				5,425
Net income (loss) attributable to Ares Management Corporation Class A common stockholders	(36,461)				39,524
Reportable legal entity
Other income (expense)
Net income (loss)	(216,172)				103,952
Eliminations
Revenues
Total revenues	35,491				(9,980)
Expenses
Compensation and benefits	0				0
Performance related compensation	0				0
General, administrative and other expenses	0				0
Total expenses	(10,456)				(8,847)
Other income (expense)
Net realized and unrealized gains (losses) on investments	27,661				(948)
Interest and dividend income	(812)				(480)
Other income (expense), net	502				371
Total other income (expense)	3,819				372
Income (loss) before taxes	49,766				(761)
Income tax expense (benefit)	0				0
Net income (loss)	49,766				(761)
Less: Series A Preferred Stock dividends paid	0				0
Net income (loss) attributable to Ares Management Corporation Class A common stockholders	0				0
Consolidated Funds
Expenses
Expenses of Consolidated Funds	7,443				4,554
Other income (expense)
Net realized and unrealized gains (losses) on investments	(254,761)				4,364
Interest expense	(80,241)				(64,912)
Interest and other income of Consolidated Funds	113,225				93,184
Net income (loss) attributable to non-controlling interests related to consolidated VIEs	(166,406)				17,624
Consolidated Funds | Reportable legal entity
Expenses
Expenses of Consolidated Funds	17,899				13,401
Total expenses	17,899				13,401
Other income (expense)
Net realized and unrealized gains (losses) on investments	(230,173)				3,748
Interest expense	(81,297)				(65,725)
Interest and other income of Consolidated Funds	113,225				93,184
Total other income (expense)	(198,245)				31,207
Income (loss) before taxes	(216,144)				17,806
Income tax expense (benefit)	28				(579)
Net income (loss)	(216,172)				18,385
Net income (loss) attributable to non-controlling interests related to consolidated VIEs	(216,172)				18,385
Consolidated Funds | Eliminations
Expenses
Expenses of Consolidated Funds	(10,456)				(8,847)
Other income (expense)
Net realized and unrealized gains (losses) on investments	(24,588)				616
Interest expense	1,056				813
Interest and other income of Consolidated Funds	0				0
Net income (loss) attributable to non-controlling interests related to consolidated VIEs	49,766				(761)
AOG
Other income (expense)
Net income (loss) attributable to non-controlling interests related to consolidated VIEs	(78,355)				59,003
AOG | Reportable legal entity
Other income (expense)
Net income (loss) attributable to non-controlling interests related to consolidated VIEs	(78,355)				59,003
AOG | Eliminations
Other income (expense)
Net income (loss) attributable to non-controlling interests related to consolidated VIEs	0				0
Ares Management L.P
Revenues
Total revenues	13,409				477,197
Expenses
Compensation and benefits	180,084				156,846
Performance related compensation	(167,899)				156,520
General, administrative and other expenses	62,331				51,187
Other income (expense)
Net realized and unrealized gains (losses) on investments	(8,034)				3,476
Interest and dividend income	1,790				1,844
Interest expense	(5,306)				(5,589)
Other income (expense), net	5,464				(4,497)
Ares Management L.P | Affiliated entity | ARCC
Other income (expense)
Management fees, part I fees	43,923				38,393
Ares Management L.P | Reportable legal entity
Revenues
Total revenues	(22,082)				487,177
Expenses
Compensation and benefits	180,084				156,846
Performance related compensation	(167,899)				156,520
General, administrative and other expenses	62,331				51,187
Total expenses	74,516				364,553
Other income (expense)
Net realized and unrealized gains (losses) on investments	(35,695)				4,424
Interest and dividend income	2,602				2,324
Interest expense	(5,306)				(5,589)
Other income (expense), net	4,962				(4,868)
Total other income (expense)	(33,437)				(3,709)
Income (loss) before taxes	(130,035)				118,915
Income tax expense (benefit)	(20,644)				14,963
Net income (loss)	(109,391)				103,952
Net income (loss) attributable to Ares Management Corporation	(31,036)				44,949
Less: Series A Preferred Stock dividends paid	5,425				5,425
Net income (loss) attributable to Ares Management Corporation Class A common stockholders	(36,461)				39,524
Management fees | Eliminations
Revenues
Total revenues	(10,502)				(8,413)
Management fees | Ares Management L.P
Revenues
Total revenues	263,849				224,659
Management fees | Ares Management L.P | Reportable legal entity
Revenues
Total revenues	274,351				233,072
Carried interest allocation | Eliminations
Revenues
Total revenues	0				0
Carried interest allocation | Ares Management L.P
Revenues
Total revenues	(230,876)				197,293
Carried interest allocation | Ares Management L.P | Reportable legal entity
Revenues
Total revenues	(230,876)				197,293
Incentive fees | Eliminations
Revenues
Total revenues	45				(434)
Incentive fees | Ares Management L.P
Revenues
Total revenues	(3,249)				16,815
Incentive fees | Ares Management L.P | Reportable legal entity
Revenues
Total revenues	(3,294)				17,249
Principal investment income (loss) | Eliminations
Revenues
Total revenues	49,265				(1,133)
Principal investment income (loss) | Ares Management L.P
Revenues
Total revenues	(26,723)				28,759
Principal investment income (loss) | Ares Management L.P | Reportable legal entity
Revenues
Total revenues	(75,988)				29,892
Administrative, transaction and other fees
Revenues
Total revenues	0				0
Administrative, transaction and other fees | Eliminations
Revenues
Total revenues	(3,317)				0
Administrative, transaction and other fees | Ares Management L.P
Revenues
Total revenues	10,408				9,671
Administrative, transaction and other fees | Ares Management L.P | Reportable legal entity
Revenues
Total revenues	$ 13,725				$ 9,671