Represents the debt issuance rate of issued debt.

No definition available.

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Namespace Prefix:	ares_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
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- Definition

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-Topic 470
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-Section S99
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-Subparagraph (SX 210.9-03(16))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
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+ Details

Name:	us-gaap_DebtInstrumentFaceAmount
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 6
-Subparagraph (a)
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-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- 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.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.

+ References

No definition available.

+ Details

Name:	us-gaap_LineOfCreditFacilityCommitmentFeePercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

+ References

No definition available.

+ Details

Name:	us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Carrying value, as of the balance sheet date, of securities sold under agreements to repurchase where the transferor maintains effective control over the assets, accounting for them as secured debt.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 860
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-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Carrying amount of liabilities associated with financial assets accounted for as secured borrowings recognized in the transferor's statement of financial position at the end of each period presented.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 860
-SubTopic 30
-Section 50
-Paragraph 1A
-Subparagraph (b)(1)(ii)
-URI http://asc.fasb.org/extlink&oid=109249958&loc=SL6224234-111729

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

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Namespace Prefix:
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- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_CollateralizedLoanObligationsMember
Namespace Prefix:
Data Type:	na
Balance Type:
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- Details

Name:	us-gaap_DebtInstrumentAxis=ares_CreditFacilityOfCompanyMember
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- Details

Name:	us-gaap_VariableRateAxis=us-gaap_BaseRateMember
Namespace Prefix:
Data Type:	na
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Period Type:

- Details

Name:	us-gaap_VariableRateAxis=us-gaap_LondonInterbankOfferedRateLIBORMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=ares_SeniorNotesOfTheCompanyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=ares_TermLoan2015Member
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Balance Type:
Period Type:

- Details

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- Details

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- Details

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- Details

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- Details

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DEBT (Debt Obligations) (Details) - USD ($)	1 Months Ended	6 Months Ended
DEBT (Debt Obligations) (Details) - USD ($)	Oct. 31, 2014	Jun. 30, 2018	Dec. 31, 2017
DEBT
Repurchase agreement		$ 206,000,000
Ares Management L.P
DEBT
Carrying Value		370,628,000	$ 616,176,000
Ares Management L.P \| Collateralized loan obligations
DEBT
Collateralized loan obligations		219,300,000
Ares Management L.P \| Credit Facility
DEBT
Carrying Value		$ 125,000,000	$ 210,000,000
Interest Rate		3.63%	3.09%
Maximum borrowing capacity		$ 1,065,000,000.000
Unused commitment fees		0.20%
Interest rate		0.00%
Ares Management L.P \| Credit Facility \| Base rate
DEBT
Interest rate spread		0.50%
Ares Management L.P \| Credit Facility \| LIBOR
DEBT
Interest rate spread		1.50%
Ares Management L.P \| Senior Notes
DEBT
Original Borrowing Amount		$ 250,000,000
Carrying Value		$ 245,628,000	$ 245,308,000
Interest Rate		4.21%	4.21%
Ares Management L.P \| Term Loan 2015
DEBT
Original Borrowing Amount		$ 0
Carrying Value		$ 0	$ 35,037,000
Interest Rate			2.86%
Commitment fee percentage		0.025%
Ares Management L.P \| Term Loan 2016
DEBT
Original Borrowing Amount		$ 0
Carrying Value		$ 0	$ 25,948,000
Interest Rate			3.08%
Ares Management L.P \| Term Loan 2017
DEBT
Commitment fee percentage		0.03%
Ares Management L.P \| Term Loan 2017 Due January 2028
DEBT
Original Borrowing Amount		$ 0
Carrying Value		0	$ 17,407,000
Interest Rate			2.90%
Ares Management L.P \| Term Loan 2017 Due October 2029
DEBT
Original Borrowing Amount		0
Carrying Value		0	$ 35,062,000
Interest Rate			2.90%
Ares Management L.P \| Term Loan 2017 Due July 2029
DEBT
Original Borrowing Amount		0
Carrying Value		0	$ 17,078,000
Interest Rate			2.88%
Ares Management L.P \| Term Loan 2017 Due October 2030
DEBT
Original Borrowing Amount		0
Carrying Value		$ 0	$ 30,336,000
Interest Rate			2.77%
Ares Management L.P \| AFC Notes
DEBT
Debt issuance percentage	98.268%