Name:	am_GatheringAndCompressionAgreementMinimumVolumeCommitmentThatRequireAnteroToPayForCompressorStations
Namespace Prefix:	am_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

Represents the minimum volume commitments that require Antero to utilize or pay certain percentage of the capacity of such new construction for high pressure lines.

No definition available.

Name:	am_GatheringAndCompressionAgreementMinimumVolumeCommitmentThatRequireAnteroToPayForHighPressureLines
Namespace Prefix:	am_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

Represents the targeted rate of return on new construction from a service fee.

No definition available.

Name:	am_GatheringAndCompressionAgreementTargetedRateOfReturnFromServiceFee
Namespace Prefix:	am_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

The time period to earn targeted rate of return from service fee.

No definition available.

Name:	am_GatheringAndCompressionAgreementTimePeriodToEarnRateOfReturnFromServiceFee
Namespace Prefix:	am_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Amount of lease payment to be received by lessor for operating lease after fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

No definition available.

Name:	am_LessorOperatingLeasePaymentToBeReceivedAfterYearFour
Namespace Prefix:	am_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Revenue from contract with customer obligation commencing period, in PnYnMnDTnHnMnS format.

No definition available.

Name:	am_RevenueFromContractWithCustomerObligationCommencingPeriod
Namespace Prefix:	am_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Revenue from contract with customer obligation term in YYYY format.

No definition available.

Name:	am_RevenueFromContractWithCustomerObligationTerm
Namespace Prefix:	am_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Term of construction.

No definition available.

Name:	am_TermOfConstruction
Namespace Prefix:	am_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

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.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479773/842-30-50-3

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

- References

No definition available.

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

Amount of lease payments to be received by lessor for operating lease.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 12
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479773/842-30-50-12

Name:	us-gaap_LessorOperatingLeasePaymentsToBeReceived
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Amount of lease payment to be received by lessor for operating lease in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

Name:	us-gaap_LessorOperatingLeasePaymentsToBeReceivedFourYears
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Amount of lease payment to be received by lessor for operating lease in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

Name:	us-gaap_LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Amount of lease payment to be received by lessor for operating lease in remainder of current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 842
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 12
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479773/842-30-50-12

Name:	us-gaap_LessorOperatingLeasePaymentsToBeReceivedRemainderOfFiscalYear
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Amount of lease payment to be received by lessor for operating lease in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

Name:	us-gaap_LessorOperatingLeasePaymentsToBeReceivedThreeYears
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Amount of lease payment to be received by lessor for operating lease in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).