SEGMENT REPORTING (Expenses) (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2017	Mar. 31, 2016
Segment Reporting, Other Significant Reconciling Item [Line Items]
Expenses	$ 491,467	$ 129,538
Equity compensation expenses	15,089	9,173
Ares Management L.P
Segment Reporting, Other Significant Reconciling Item [Line Items]
Acquisition and merger-related expenses	275,177	0
Operating segment
Segment Reporting, Other Significant Reconciling Item [Line Items]
Acquisition and merger-related expenses	255,088	496
Equity compensation expenses	15,089	9,173
Placement fees and underwriting costs	3,439	930
Amortization of intangibles	5,275	7,263
Depreciation expense	3,216	1,858
Operating segment \| Ares Management L.P
Segment Reporting, Other Significant Reconciling Item [Line Items]
Expenses	129,893	60,169
Reconciling items
Segment Reporting, Other Significant Reconciling Item [Line Items]
Expenses	361,574	69,369
Administrative fees	9,606	6,822
Acquisition and merger-related expenses	275,336	268
Equity compensation expenses	15,089	9,173
Placement fees and underwriting costs	3,439	930
Amortization of intangibles	5,275	7,263
Depreciation expense	3,216	1,858
Reconciling items \| Consolidated Funds
Segment Reporting, Other Significant Reconciling Item [Line Items]
Expenses	10,509	5,979
Eliminations
Segment Reporting, Other Significant Reconciling Item [Line Items]
Expenses	(6,598)	(5,752)
Acquisition and merger-related expenses	0
Eliminations \| Consolidated Funds
Segment Reporting, Other Significant Reconciling Item [Line Items]
Expenses	(6,598)	(5,752)
OMG
Segment Reporting, Other Significant Reconciling Item [Line Items]
Expenses	$ 45,702	$ 42,828

For segment reporting, the amount of other fee revenue net of certain expenses.

No definition available.

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- Definition

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section S99
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-Name Accounting Standards Codification
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- Definition

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
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- Definition

This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 25
-Paragraph 23
-URI http://asc.fasb.org/extlink&oid=73531572&loc=d3e1043-128460

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- Definition

The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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- Definition

Expense related to distribution, servicing and underwriting fees.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 225
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-04.14)
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- Definition

Generally recurring costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services. Includes selling, general and administrative expense.

+ References

No definition available.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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