Represents the debt issuance rate of issued debt.

No definition available.

Name:	ares_DebtIssuanceRate
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
Period Type:	duration

- 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/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(16))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

+ Details

Name:	us-gaap_DebtInstrumentCarryingAmount
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://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=64930739&loc=d3e28878-108400

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28551-108399

+ Details

Name:	us-gaap_DebtInstrumentFaceAmount
Namespace Prefix:	us-gaap_
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

+ Details

Name:	us-gaap_DebtInstrumentInterestRateEffectivePercentage
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

+ Details

Name:	us-gaap_DebtInstrumentInterestRateStatedPercentage
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

Name:	us-gaap_DebtInstrumentLineItems
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

+ Details

Name:	us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
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

DEBT (Debt Obligations) (Details) - Ares Management L.P - USD ($)	1 Months Ended	3 Months Ended
	Oct. 31, 2014	Mar. 31, 2018	Dec. 31, 2017
DEBT
Carrying Value		$ 590,169,000	$ 616,176,000
Credit Facility
DEBT
Carrying Value		$ 140,000,000	$ 210,000,000
Interest Rate		3.38%	3.09%
Maximum borrowing capacity		$ 1,065,000,000.000
Unused commitment fees		0.20%
Interest rate		0.00%
Credit Facility \| Base rate
DEBT
Interest rate spread		0.50%
Credit Facility \| LIBOR
DEBT
Interest rate spread		1.50%
Senior Notes
DEBT
Original Borrowing Amount		$ 250,000,000
Carrying Value		$ 245,469,000	$ 245,308,000
Interest Rate		4.21%	4.21%
Term Loan 2015
DEBT
Original Borrowing Amount		$ 35,205,000
Carrying Value		$ 35,042,000	$ 35,037,000
Interest Rate		3.24%	2.86%
Commitment fee percentage		0.025%
Term Loan 2016
DEBT
Original Borrowing Amount		$ 26,376,000
Carrying Value		$ 25,959,000	$ 25,948,000
Interest Rate		3.44%	3.08%
Term Loan 2016 \| Minimum
DEBT
Commitment fee percentage		0.03%
Term Loan 2016 \| Maximum
DEBT
Commitment fee percentage		0.04%
Term Loan 2017 \| Minimum
DEBT
Commitment fee percentage		0.03%
Term Loan 2017 \| Maximum
DEBT
Commitment fee percentage		0.04%
Term Loan 2017 Due January 2028
DEBT
Original Borrowing Amount		$ 17,600,000
Carrying Value		$ 17,413,000	$ 17,407,000
Interest Rate		3.26%	2.90%
Term Loan 2017 Due October 2029
DEBT
Original Borrowing Amount		$ 35,198,000
Carrying Value		$ 35,066,000	$ 35,062,000
Interest Rate		3.26%	2.90%
Term Loan 2017 Due July 2029
DEBT
Original Borrowing Amount		$ 17,155,000
Carrying Value		$ 17,025,000	$ 17,078,000
Interest Rate		3.26%	2.88%
Term Loan 2017 Due October 2030
DEBT
Original Borrowing Amount		$ 30,450,000
Carrying Value		$ 30,339,000	$ 30,336,000
Interest Rate		3.07%	2.77%
Term Loan 2018 \| Minimum
DEBT
Commitment fee percentage		0.03%
Term Loan 2018 \| Maximum
DEBT
Commitment fee percentage		0.04%
Term Loan 2018 Due January 2030
DEBT
Original Borrowing Amount		$ 26,475,000
Carrying Value		$ 26,456,000
Interest Rate		2.97%
Repurchase Agreement Loan
DEBT
Original Borrowing Amount		$ 17,575,000
Carrying Value		$ 17,400,000
Interest Rate		1.68%
AFC Notes
DEBT
Debt issuance percentage	98.268%