FAIR VALUE (Assets and Liabilities Measured at Fair Value) (Details) $ in Thousands	12 Months Ended
Dec. 31, 2016 USD ($) quote	Dec. 31, 2015 USD ($)
FAIR VALUE
Number of quote obtained directly from a broker making a market for the asset \| quote	1
Number of price obtained directly from a pricing vendor for each security or similar securities \| quote	1
Investments Measured at NAV	$ 325,715	$ 339,243
Derivative liabilities, at fair value
Minimum
FAIR VALUE
Period within which investors of open ended and evergreen funds can withdraw their capital	1 year
Number of broker non-binding quotes to measure fair value of assets or liabilities \| quote	1
Maximum
FAIR VALUE
Period within which investors of open ended and evergreen funds can withdraw their capital	3 years
Number of broker non-binding quotes to measure fair value of assets or liabilities \| quote	2
Ares Management L.P
FAIR VALUE
Investments, at fair value	$ 448,336	446,779
Investments Measured at NAV	325,715	339,243
Derivative assets, at fair value	3,171	1,339
Assets, at fair value	451,507	448,118
Contingent considerations	(22,156)	(40,831)
Total liabilities, at fair value	(22,156)	(40,831)
Derivative liabilities, at fair value	0	(390)
Liabilities, at fair value	(22,156)	(41,221)
Ares Management L.P \| Foreign exchange contracts
FAIR VALUE
Derivative assets, at fair value	3,171	1,339
Derivative liabilities, at fair value	0	(176)
Ares Management L.P \| Interest rate contracts
FAIR VALUE
Derivative liabilities, at fair value		(214)
Ares Management L.P \| Fixed income-collateralized loan obligations
FAIR VALUE
Investments, at fair value	89,111	55,752
Ares Management L.P \| Equity securities
FAIR VALUE
Investments, at fair value	100	81
Ares Management L.P \| Partnership interests
FAIR VALUE
Investments, at fair value	359,125	390,946
Investments Measured at NAV	325,715	339,243
Ares Management L.P \| Level I
FAIR VALUE
Investments, at fair value	100	81
Derivative assets, at fair value	0	0
Assets, at fair value	100	81
Contingent considerations	0	0
Total liabilities, at fair value	0	0
Derivative liabilities, at fair value		0
Liabilities, at fair value	0	0
Ares Management L.P \| Level I \| Foreign exchange contracts
FAIR VALUE
Derivative assets, at fair value	0	0
Derivative liabilities, at fair value		0
Ares Management L.P \| Level I \| Interest rate contracts
FAIR VALUE
Derivative liabilities, at fair value		0
Ares Management L.P \| Level I \| Fixed income-collateralized loan obligations
FAIR VALUE
Investments, at fair value	0	0
Ares Management L.P \| Level I \| Equity securities
FAIR VALUE
Investments, at fair value	100	81
Ares Management L.P \| Level I \| Partnership interests
FAIR VALUE
Investments, at fair value	0	0
Ares Management L.P \| Level II
FAIR VALUE
Investments, at fair value	0	0
Derivative assets, at fair value	3,171	1,339
Assets, at fair value	3,171	1,339
Contingent considerations	0	0
Total liabilities, at fair value	0	0
Derivative liabilities, at fair value		(390)
Liabilities, at fair value	0	(390)
Ares Management L.P \| Level II \| Foreign exchange contracts
FAIR VALUE
Derivative assets, at fair value	3,171	1,339
Derivative liabilities, at fair value		(176)
Ares Management L.P \| Level II \| Interest rate contracts
FAIR VALUE
Derivative liabilities, at fair value		(214)
Ares Management L.P \| Level II \| Fixed income-collateralized loan obligations
FAIR VALUE
Investments, at fair value	0	0
Ares Management L.P \| Level II \| Equity securities
FAIR VALUE
Investments, at fair value	0	0
Ares Management L.P \| Level II \| Partnership interests
FAIR VALUE
Investments, at fair value	0	0
Ares Management L.P \| Level III
FAIR VALUE
Investments, at fair value	122,521	107,455
Derivative assets, at fair value	0	0
Assets, at fair value	122,521	107,455
Contingent considerations	(22,156)	(40,831)
Total liabilities, at fair value	(22,156)	(40,831)
Derivative liabilities, at fair value		0
Liabilities, at fair value	(22,156)	(40,831)
Ares Management L.P \| Level III \| Foreign exchange contracts
FAIR VALUE
Derivative assets, at fair value	0	0
Derivative liabilities, at fair value		0
Ares Management L.P \| Level III \| Interest rate contracts
FAIR VALUE
Derivative liabilities, at fair value		0
Ares Management L.P \| Level III \| Fixed income-collateralized loan obligations
FAIR VALUE
Investments, at fair value	89,111	55,752
Ares Management L.P \| Level III \| Equity securities
FAIR VALUE
Investments, at fair value	0	0
Ares Management L.P \| Level III \| Partnership interests
FAIR VALUE
Investments, at fair value	33,410	51,703
Consolidated Funds
FAIR VALUE
Investments, at fair value	3,330,203	2,559,783
Derivative assets, at fair value	820	0
Assets, at fair value	3,331,023
Derivative liabilities, at fair value	(2,999)	(10,676)
Loan obligations of debt	(3,031,112)	(2,174,352)
Liabilities, at fair value	(3,034,111)	(2,185,028)
Consolidated Funds \| Foreign exchange contracts
FAIR VALUE
Derivative assets, at fair value	529	0
Derivative liabilities, at fair value	0	(369)
Consolidated Funds \| Other
FAIR VALUE
Derivative assets, at fair value	291
Derivative liabilities, at fair value	(2,999)	(10,307)
Consolidated Funds \| Fixed income-collateralized loan obligations
FAIR VALUE
Investments, at fair value	5,973	6,121
Consolidated Funds \| Equity securities
FAIR VALUE
Investments, at fair value	204,921	221,602
Consolidated Funds \| Partnership interests
FAIR VALUE
Investments, at fair value	171,696	86,902
Consolidated Funds \| Bonds
FAIR VALUE
Investments, at fair value	141,949	235,312
Consolidated Funds \| Fixed Income
FAIR VALUE
Investments, at fair value	2,953,562	2,251,120
Consolidated Funds \| Loans
FAIR VALUE
Investments, at fair value	2,805,640	2,009,687
Consolidated Funds \| Other
FAIR VALUE
Investments, at fair value	24	159
Consolidated Funds \| Level I
FAIR VALUE
Investments, at fair value	56,662	76,033
Derivative assets, at fair value	0
Assets, at fair value	56,662
Derivative liabilities, at fair value	0	0
Loan obligations of debt	0	0
Liabilities, at fair value	0	0
Consolidated Funds \| Level I \| Foreign exchange contracts
FAIR VALUE
Derivative assets, at fair value	0
Derivative liabilities, at fair value		0
Consolidated Funds \| Level I \| Other
FAIR VALUE
Derivative assets, at fair value	0
Derivative liabilities, at fair value	0	0
Consolidated Funds \| Level I \| Fixed income-collateralized loan obligations
FAIR VALUE
Investments, at fair value	0	0
Consolidated Funds \| Level I \| Equity securities
FAIR VALUE
Investments, at fair value	56,662	76,033
Consolidated Funds \| Level I \| Partnership interests
FAIR VALUE
Investments, at fair value	0	0
Consolidated Funds \| Level I \| Bonds
FAIR VALUE
Investments, at fair value	0	0
Consolidated Funds \| Level I \| Fixed Income
FAIR VALUE
Investments, at fair value	0	0
Consolidated Funds \| Level I \| Loans
FAIR VALUE
Investments, at fair value	0	0
Consolidated Funds \| Level I \| Other
FAIR VALUE
Investments, at fair value	0	0
Consolidated Funds \| Level II
FAIR VALUE
Investments, at fair value	2,728,902	2,017,549
Derivative assets, at fair value	529
Assets, at fair value	2,729,431
Derivative liabilities, at fair value	0	(369)
Loan obligations of debt	(3,031,112)	0
Liabilities, at fair value	(3,031,112)	(369)
Consolidated Funds \| Level II \| Foreign exchange contracts
FAIR VALUE
Derivative assets, at fair value	529
Derivative liabilities, at fair value		(369)
Consolidated Funds \| Level II \| Other
FAIR VALUE
Derivative assets, at fair value	0
Derivative liabilities, at fair value	0	0
Consolidated Funds \| Level II \| Fixed income-collateralized loan obligations
FAIR VALUE
Investments, at fair value	0	0
Consolidated Funds \| Level II \| Equity securities
FAIR VALUE
Investments, at fair value	17,569	15,760
Consolidated Funds \| Level II \| Partnership interests
FAIR VALUE
Investments, at fair value	0	0
Consolidated Funds \| Level II \| Bonds
FAIR VALUE
Investments, at fair value	104,886	126,289
Consolidated Funds \| Level II \| Fixed Income
FAIR VALUE
Investments, at fair value	2,711,309	2,001,630
Consolidated Funds \| Level II \| Loans
FAIR VALUE
Investments, at fair value	2,606,423	1,875,341
Consolidated Funds \| Level II \| Other
FAIR VALUE
Investments, at fair value	24	159
Consolidated Funds \| Level III
FAIR VALUE
Investments, at fair value	544,639	466,201
Derivative assets, at fair value	291
Assets, at fair value	544,930	466,201
Derivative liabilities, at fair value	(2,999)	(10,307)
Loan obligations of debt	0	(2,174,352)
Liabilities, at fair value	(2,999)	(2,184,659)
Consolidated Funds \| Level III \| Foreign exchange contracts
FAIR VALUE
Derivative assets, at fair value	0
Derivative liabilities, at fair value		0
Consolidated Funds \| Level III \| Other
FAIR VALUE
Derivative assets, at fair value	291
Derivative liabilities, at fair value	(2,999)	(10,307)
Consolidated Funds \| Level III \| Fixed income-collateralized loan obligations
FAIR VALUE
Investments, at fair value	5,973	6,121
Consolidated Funds \| Level III \| Equity securities
FAIR VALUE
Investments, at fair value	130,690	129,809
Consolidated Funds \| Level III \| Partnership interests
FAIR VALUE
Investments, at fair value	171,696	86,902
Consolidated Funds \| Level III \| Bonds
FAIR VALUE
Investments, at fair value	37,063	109,023
Consolidated Funds \| Level III \| Fixed Income
FAIR VALUE
Investments, at fair value	242,253	249,490
Consolidated Funds \| Level III \| Loans
FAIR VALUE
Investments, at fair value	199,217	134,346
Consolidated Funds \| Level III \| Other
FAIR VALUE
Investments, at fair value	$ 0	$ 0

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