CONSOLIDATION (Income Statement) (Details) - USD ($) $ in Thousands	3 Months Ended							9 Months Ended
	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Sep. 30, 2019	Sep. 30, 2018
Expenses
Total expenses	$ 395,701				$ 227,188			$ 1,100,509	$ 654,488
Other income (expense)
Total other income	32,787				38,754			95,919	108,920
Income before taxes	103,576				52,343			323,919	165,461
Income tax expense (benefit)	11,701				5,131			35,590	29,659
Net income	91,875	$ 74,878	$ 121,576	$ 16,337	47,212	$ 14,169	$ 74,421	288,329	135,802
Net income attributable to Ares Management Corporation	33,331				15,910			110,419	45,083
Less: Series A Preferred Stock dividends paid	5,425				5,425			16,275	16,275
Net income attributable to Ares Management Corporation Class A common stockholders	27,906				10,485			94,144	28,808
Eliminations
Revenues
Total revenues	(11,256)				(8,716)			(30,456)	(38,949)
Expenses
Compensation and benefits	0				0			0	0
Performance related compensation	0				0			0	0
General, administrative and other expenses	0				0			0	0
Total expenses	(8,780)				(9,138)			(31,112)	(28,721)
Other income (expense)
Net realized and unrealized gains on investments	2,044				(998)			690	(1,830)
Interest and dividend income	(770)				(93)			(1,922)	(93)
Interest expense					0
Other income (expense), net	1,124				86			1,214	619
Total other income	1,124				86			1,214	620
Income before taxes	(1,352)				508			1,870	(9,608)
Income tax expense (benefit)	0				0			0	0
Net income	(1,352)				508			1,870	(9,608)
Net income attributable to Ares Management Corporation					0
Less: Series A Preferred Stock dividends paid	0				0			0	0
Net income attributable to Ares Management Corporation Class A common stockholders	0				0			0	0
Consolidated Funds
Expenses
Expenses of Consolidated Funds	10,884				12,833			30,865	49,261
Other income (expense)
Net realized and unrealized gains on investments	(992)				5,437			3,256	26,839
Interest expense	(71,134)				(62,763)			(204,051)	(163,942)
Interest and other income of Consolidated Funds	107,922				93,062			303,312	250,117
Net income attributable to non-controlling interests related to consolidated VIEs	15,908				13,169			41,878	23,418
Consolidated Funds | Reportable legal entity
Expenses
Expenses of Consolidated Funds	19,664				21,971			61,977	77,982
Total expenses	19,664				21,971			61,977	77,982
Other income (expense)
Net realized and unrealized gains on investments	1,399				4,686			4,661	26,053
Interest expense	(72,251)				(63,103)			(206,688)	(165,080)
Interest and other income of Consolidated Funds	107,922				93,062			303,312	250,117
Total other income	37,070				34,645			101,285	111,090
Income before taxes	17,406				12,674			39,308	33,108
Income tax expense (benefit)	146				13			(700)	82
Net income	17,260				12,661			40,008	33,026
Net income attributable to non-controlling interests related to consolidated VIEs	17,260				12,661			40,008	33,026
Consolidated Funds | Eliminations
Expenses
Expenses of Consolidated Funds	(8,780)				(9,138)			(31,112)	(28,721)
Other income (expense)
Net realized and unrealized gains on investments	(2,391)				751			(1,405)	786
Interest expense	1,117				340			2,637	1,138
Interest and other income of Consolidated Funds	0				0			0	0
Net income attributable to non-controlling interests related to consolidated VIEs	(1,352)				508			1,870	(9,608)
AOG
Other income (expense)
Net income attributable to non-controlling interests related to consolidated VIEs	42,636				18,133			136,032	67,301
AOG | Reportable legal entity
Other income (expense)
Net income attributable to non-controlling interests related to consolidated VIEs	42,636				18,133			136,032	67,301
AOG | Eliminations
Other income (expense)
Net income attributable to non-controlling interests related to consolidated VIEs	0				0			0	0
Ares Management L.P
Revenues
Total revenues	466,490				240,777			1,328,509	711,029
Expenses
Compensation and benefits	166,216				145,594			485,232	419,225
Performance related compensation	139,216				17,606			388,424	30,479
General, administrative and other expenses	79,385				51,155			195,988	155,523
Other income (expense)
Net realized and unrealized gains on investments	1,522				5,542			5,519	7,970
Interest and dividend income	2,030				808			5,526	6,511
Interest expense	(4,691)				(4,143)			(16,073)	(17,088)
Other income (expense), net	(1,870)				811			(1,570)	(1,487)
Ares Management L.P | Affiliated entity | ARCC
Other income (expense)
Management fees, part I fees	38,786				33,377			116,336	91,660
Ares Management L.P | Reportable legal entity
Revenues
Total revenues	477,746				249,493			1,358,965	749,978
Expenses
Compensation and benefits	166,216				145,594			485,232	419,225
Performance related compensation	139,216				17,606			388,424	30,479
General, administrative and other expenses	79,385				51,155			195,988	155,523
Total expenses	384,817				214,355			1,069,644	605,227
Other income (expense)
Net realized and unrealized gains on investments	(522)				6,540			4,829	9,800
Interest and dividend income	2,800				901			7,448	6,604
Interest expense	(4,691)				(4,143)			(16,073)	(17,088)
Other income (expense), net	(2,994)				725			(2,784)	(2,106)
Total other income	(5,407)				4,023			(6,580)	(2,790)
Income before taxes	87,522				39,161			282,741	141,961
Income tax expense (benefit)	11,555				5,118			36,290	29,577
Net income	75,967				34,043			246,451	112,384
Net income attributable to Ares Management Corporation	33,331				15,910			110,419	45,083
Less: Series A Preferred Stock dividends paid	5,425				5,425			16,275	16,275
Net income attributable to Ares Management Corporation Class A common stockholders	27,906				10,485			94,144	28,808
Management fees | Eliminations
Revenues
Total revenues	(8,780)				(9,138)			(25,928)	(24,721)
Management fees | Ares Management L.P
Revenues
Total revenues	251,591				204,524			714,096	588,071
Management fees | Ares Management L.P | Reportable legal entity
Revenues
Total revenues	260,371				213,662			740,024	612,792
Carried interest allocation
Revenues
Total revenues								503,808
Carried interest allocation | Eliminations
Revenues
Total revenues	0				0			0	0
Carried interest allocation | Ares Management L.P
Revenues
Total revenues	186,803				31,902			503,808	72,587
Carried interest allocation | Ares Management L.P | Reportable legal entity
Revenues
Total revenues	186,803				31,902			503,808	72,587
Incentive fees | Eliminations
Revenues
Total revenues	0				0			(5,184)	(4,000)
Incentive fees | Ares Management L.P
Revenues
Total revenues	1,712				872			28,747	13,683
Incentive fees | Ares Management L.P | Reportable legal entity
Revenues
Total revenues	1,712				872			33,931	17,683
Principal investment income (loss) | Eliminations
Revenues
Total revenues	(2,476)				422			656	(10,228)
Principal investment income (loss) | Ares Management L.P
Revenues
Total revenues	11,389				(7,464)			45,992	(684)
Principal investment income (loss) | Ares Management L.P | Reportable legal entity
Revenues
Total revenues	13,865				(7,886)			45,336	9,544
Administrative, transaction and other fees
Revenues
Total revenues	0				0			0	0
Administrative, transaction and other fees | Eliminations
Revenues
Total revenues	0				0			0	0
Administrative, transaction and other fees | Ares Management L.P
Revenues
Total revenues	14,995				10,943			35,866	37,372
Administrative, transaction and other fees | Ares Management L.P | Reportable legal entity
Revenues
Total revenues	$ 14,995				$ 10,943			$ 35,866	$ 37,372