DEBT (Debt Issuance Costs) (Details) - Ares Management L.P $ in Thousands	9 Months Ended
Sep. 30, 2017 USD ($)
Credit Facility
Debt Issuance Costs [Roll Forward]
Unamortized debt issuance costs as of December 31, 2016	$ 4,800
Debt issuance costs incurred	3,387
Amortization of debt issuance costs	(1,258)
Unamortized debt issuance costs as of September 30, 2017	6,929
Senior Notes
Debt Issuance Costs [Roll Forward]
Unamortized debt issuance costs as of December 31, 2016	1,803
Debt issuance costs incurred	0
Amortization of debt issuance costs	(174)
Unamortized debt issuance costs as of September 30, 2017	1,629
Term Loans
Debt Issuance Costs [Roll Forward]
Unamortized debt issuance costs as of December 31, 2016	526
Debt issuance costs incurred	253
Amortization of debt issuance costs	(48)
Unamortized debt issuance costs as of September 30, 2017	$ 731

Debt Issuance Costs [Roll Forward]

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- Definition

Amount of amortization expense attributable to debt issuance costs.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28555-108399

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
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-Section 45
-Paragraph 28
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Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(8))
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 225
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-04(8))
-URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882

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- Definition

Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

+ References

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- Definition

The cash outflow paid to third parties in connection with debt origination, which will be amortized over the remaining maturity period of the associated long-term debt.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (e)
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3291-108585

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