SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Condensed Consolidated Statement of Comprehensive Income) (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Net income	$ 84,475	$ 91,875	$ 74,878	$ 121,576	$ 16,337	$ 47,212	$ 14,169	$ 74,421	$ 372,804	$ 152,139	$ 172,911
Ares Management L.P
Other comprehensive income:
Foreign currency translation adjustments, net of tax									3,322	(13,190)	13,927
Total comprehensive income									376,126	138,949	186,838
Comprehensive income attributable to Ares Management Corporation									151,361	52,704	80,909
Consolidated Funds
Other comprehensive income:
Less: Comprehensive income (loss) attributable to non-controlling interests									37,869	15,575	62,165
AOG
Other comprehensive income:
Less: Comprehensive income (loss) attributable to non-controlling interests									$ 186,896	70,670	$ 43,764
Adjustments | ASC 606
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Net income										18,552
Adjustments | Ares Management L.P | ASC 606
Other comprehensive income:
Foreign currency translation adjustments, net of tax										(470)
Total comprehensive income										18,082
Comprehensive income attributable to Ares Management Corporation										7,457
Adjustments | Consolidated Funds | ASC 606
Other comprehensive income:
Less: Comprehensive income (loss) attributable to non-controlling interests										(1,921)
Adjustments | AOG | ASC 606
Other comprehensive income:
Less: Comprehensive income (loss) attributable to non-controlling interests										12,546
Balances without adoption of ASC 606 | ASC 606
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Net income										170,691
Balances without adoption of ASC 606 | Ares Management L.P | ASC 606
Other comprehensive income:
Foreign currency translation adjustments, net of tax										(13,660)
Total comprehensive income										157,031
Comprehensive income attributable to Ares Management Corporation										60,161
Balances without adoption of ASC 606 | Consolidated Funds | ASC 606
Other comprehensive income:
Less: Comprehensive income (loss) attributable to non-controlling interests										13,654
Balances without adoption of ASC 606 | AOG | ASC 606
Other comprehensive income:
Less: Comprehensive income (loss) attributable to non-controlling interests										$ 83,216