CONSOLIDATION (Income Statement) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Revenues
Administrative, transaction and other fees	$ 0	$ 0
Total revenues	266,089	244,244
Expenses
Total expenses	206,283	491,467
Other income (expense)
Total other income	2,240	56,635
Income (loss) before taxes	62,046	(190,588)
Income tax expense (benefit)	(12,375)	(34,264)
Net income (loss)	74,421	(156,324)
Net income (loss) attributable to Ares Management, L.P.	40,948	(41,134)
Less: Preferred equity dividend paid	5,425	5,425
Net income (loss) attributable to Ares Management, L.P. common shareholders	35,523	(46,559)
Eliminations
Revenues
Management fees (includes ARCC Part I Fees of $28,417 and $33,257 for the three months ended March 31, 2018 and 2017, respectively)	(7,311)	(4,736)
Carried interest allocation	0	(1,008)
Incentive fees		(1,862)
Principal investment income	2,201	(10,582)
Administrative, transaction and other fees	0	0
Total revenues	(5,110)	(18,188)
Expenses
Compensation and benefits	0
Performance related compensation	0
General, administrative and other expenses	0
Total expenses	(7,313)	(6,598)
Other income (expense)
Net realized and unrealized gain (loss) on investments	339	(2,865)
Interest and dividend income	0	(919)
Interest expense		0
Other income (expense), net	(458)
Total other income	(459)	(23)
Income (loss) before taxes	1,744	(11,613)
Income tax expense (benefit)	0
Net income (loss)	1,744	(11,613)
Less: Preferred equity dividend paid	0	0
Net income (loss) attributable to Ares Management, L.P. common shareholders	0	0
Ares Management L.P
Revenues
Management fees (includes ARCC Part I Fees of $28,417 and $33,257 for the three months ended March 31, 2018 and 2017, respectively)	189,515	172,045
Carried interest allocation	54,129	52,007
Incentive fees	5,071	3,165
Principal investment income	4,909	2,587
Administrative, transaction and other fees	12,465	14,440
Total revenues	266,089	244,244
Expenses
Compensation and benefits	134,639	124,339
Performance related compensation	25,878	40,702
General, administrative and other expenses	44,450	47,338
Transaction support expense	0	275,177
Other income (expense)
Net realized and unrealized gain (loss) on investments	(839)	888
Interest and dividend income	3,347	1,924
Interest expense	(6,869)	(4,879)
Other income (expense), net	(311)	16,496
Income tax expense (benefit)	(12,375)	(34,733)
Ares Management L.P | Affiliated entity | ARCC
Statements of Operations
Management fees, part I fees	28,417	33,257
Ares Management L.P | Reportable legal entity
Revenues
Management fees (includes ARCC Part I Fees of $28,417 and $33,257 for the three months ended March 31, 2018 and 2017, respectively)	196,826	176,781
Carried interest allocation	54,129	53,015
Incentive fees	5,071	5,027
Principal investment income	2,708	13,169
Administrative, transaction and other fees	12,465	14,440
Total revenues	271,199	262,432
Expenses
Compensation and benefits	134,639	124,339
Performance related compensation	25,878	40,702
General, administrative and other expenses	44,450	47,338
Transaction support expense		275,177
Total expenses	204,967	487,556
Other income (expense)
Net realized and unrealized gain (loss) on investments	(1,178)	3,753
Interest and dividend income	3,347	2,843
Interest expense	(6,869)	(4,879)
Other income (expense), net	147	16,496
Total other income	(4,553)	18,213
Income (loss) before taxes	61,679	(206,911)
Income tax expense (benefit)	(12,375)	(34,732)
Net income (loss)	74,054	(172,179)
Net income (loss) attributable to Ares Management, L.P.	40,948	(41,134)
Less: Preferred equity dividend paid	5,425	5,425
Net income (loss) attributable to Ares Management, L.P. common shareholders	35,523	(46,559)
Consolidated Funds
Expenses
Expenses of Consolidated Funds	1,316	3,911
Other income (expense)
Net realized and unrealized gain (loss) on investments	(13,085)	32,036
Interest and dividend income	64,422	41,492
Interest expense	(44,425)	(31,322)
Investment income and net interest income (expense)	64,422	41,492
Income tax expense (benefit)	0	469
Net income attributable to non-controlling interests related to consolidated VIEs	367	15,855
Consolidated Funds | Reportable legal entity
Expenses
Expenses of Consolidated Funds	8,629	10,509
Total expenses	8,629	10,509
Other income (expense)
Net realized and unrealized gain (loss) on investments	(12,452)	30,439
Interest expense	(44,718)	(33,486)
Investment income and net interest income (expense)	64,422	41,492
Total other income	7,252	38,445
Income (loss) before taxes	(1,377)	27,936
Income tax expense (benefit)	0	468
Net income (loss)	(1,377)	27,468
Net income attributable to non-controlling interests related to consolidated VIEs	(1,377)	27,468
Net income (loss) attributable to Ares Management, L.P.		0
Net income (loss) attributable to Ares Management, L.P. common shareholders		0
Consolidated Funds | Eliminations
Expenses
Expenses of Consolidated Funds	(7,313)	(6,598)
Total expenses	(7,313)	(6,598)
Other income (expense)
Net realized and unrealized gain (loss) on investments	(633)	1,597
Interest expense	293	2,164
Investment income and net interest income (expense)	0	0
Total other income	(459)	(23)
Net income attributable to non-controlling interests related to consolidated VIEs	1,744	(11,613)
AOG
Other income (expense)
Net income attributable to non-controlling interests related to consolidated VIEs	33,106	(131,045)
AOG | Reportable legal entity
Other income (expense)
Net income attributable to non-controlling interests related to consolidated VIEs	33,106	$ (131,045)
AOG | Eliminations
Other income (expense)
Net income attributable to non-controlling interests related to consolidated VIEs	$ 0