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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Condensed Consolidated Statement of Comprehensive Income) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Net income (loss)	$ 14,169	$ 113,827	$ 88,590	$ (42,497)
Other comprehensive income:
Foreign currency translation adjustments			(5,690)
Ares Management L.P
Other comprehensive income:
Foreign currency translation adjustments	(12,377)	2,029	(6,892)	5,471
Total comprehensive income (loss)	1,792	115,856	81,698	(37,026)
Comprehensive income (loss) attributable to Ares Management, L.P.	(14,532)	50,213	26,623	10,280
Consolidated Funds
Other comprehensive income:
Less: Comprehensive income (loss) attributable to non-controlling interests	4,193	(8,818)	7,735	7,038
AOG
Other comprehensive income:
Less: Comprehensive income (loss) attributable to non-controlling interests	12,131	$ 74,461	47,340	$ (54,344)
Adjustments \| ASC 606
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Net income (loss)	2,986		3,580
Adjustments \| Ares Management L.P \| ASC 606
Other comprehensive income:
Foreign currency translation adjustments	(444)		(195)
Total comprehensive income (loss)	2,542		3,385
Comprehensive income (loss) attributable to Ares Management, L.P.	(1,037)		533
Adjustments \| Consolidated Funds \| ASC 606
Other comprehensive income:
Less: Comprehensive income (loss) attributable to non-controlling interests	3,579		1,860
Adjustments \| AOG \| ASC 606
Other comprehensive income:
Less: Comprehensive income (loss) attributable to non-controlling interests	0		992
Balances without adoption of ASC 606 \| ASC 606
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Net income (loss)	17,155		92,170
Balances without adoption of ASC 606 \| Ares Management L.P \| ASC 606
Other comprehensive income:
Foreign currency translation adjustments	(12,821)		(7,087)
Total comprehensive income (loss)	4,334		85,083
Comprehensive income (loss) attributable to Ares Management, L.P.	(15,569)		27,156
Balances without adoption of ASC 606 \| Consolidated Funds \| ASC 606
Other comprehensive income:
Less: Comprehensive income (loss) attributable to non-controlling interests	7,772		9,595
Balances without adoption of ASC 606 \| AOG \| ASC 606
Other comprehensive income:
Less: Comprehensive income (loss) attributable to non-controlling interests	$ 12,131		$ 48,332