SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Condensed Consolidated Statement of Comprehensive Income) (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2018	Mar. 31, 2017
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Net income (loss)	$ 74,421	$ (156,324)
Other comprehensive income:
Foreign currency translation adjustments	6,687
Ares Management L.P
Other comprehensive income:
Foreign currency translation adjustments	5,485	3,442
Total comprehensive income (loss)	79,906	(152,882)
Comprehensive income (loss) attributable to Ares Management, L.P.	41,155	(39,933)
Consolidated Funds
Other comprehensive income:
Less: Comprehensive income (loss) attributable to non-controlling interests	3,542	15,856
AOG
Other comprehensive income:
Less: Comprehensive income (loss) attributable to non-controlling interests	35,209	$ (128,805)
Adjustments \| ASC 606
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Net income (loss)	594
Adjustments \| Ares Management L.P \| ASC 606
Other comprehensive income:
Foreign currency translation adjustments	249
Total comprehensive income (loss)	843
Comprehensive income (loss) attributable to Ares Management, L.P.	876
Adjustments \| Consolidated Funds \| ASC 606
Other comprehensive income:
Less: Comprehensive income (loss) attributable to non-controlling interests	(1,719)
Adjustments \| AOG \| ASC 606
Other comprehensive income:
Less: Comprehensive income (loss) attributable to non-controlling interests	1,686
Balances without adoption of ASC 606 \| ASC 606
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Net income (loss)	75,015
Balances without adoption of ASC 606 \| Ares Management L.P \| ASC 606
Other comprehensive income:
Foreign currency translation adjustments	5,734
Total comprehensive income (loss)	80,749
Comprehensive income (loss) attributable to Ares Management, L.P.	42,031
Balances without adoption of ASC 606 \| Consolidated Funds \| ASC 606
Other comprehensive income:
Less: Comprehensive income (loss) attributable to non-controlling interests	1,823
Balances without adoption of ASC 606 \| AOG \| ASC 606
Other comprehensive income:
Less: Comprehensive income (loss) attributable to non-controlling interests	$ 36,895

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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