v2.4.1.9

Organization (Details) (USD $) | 0 Months Ended | 12 Months Ended
--- | --- | ---
Nov. 10, 2014 | Dec. 31, 2014
IPO [Member] |  |
Organization |  |
Units issued | 46,000,000 us-gaap_PartnersCapitalAccountUnitsSoldInPublicOffering / us-gaap_TransactionTypeAxis = us-gaap_IPOMember |
Price per common unit of limited partnership | $ 25.00 am_SaleOfLimitedPartnershipInterestsPricePerUnit / us-gaap_TransactionTypeAxis = us-gaap_IPOMember |
Net proceeds received from shares of common stock sold | $ 1,100,000,000 us-gaap_ProceedsFromIssuanceOfCommonStock / us-gaap_TransactionTypeAxis = us-gaap_IPOMember |
Common units redeemed | 6,000,000 us-gaap_PartnersCapitalAccountUnitsRedeemed / us-gaap_TransactionTypeAxis = us-gaap_IPOMember |
Net proceeds retained | 250,000,000 am_ProceedsFromIssuanceOfSharesRetained / us-gaap_TransactionTypeAxis = us-gaap_IPOMember |
Common Unitholders Public [Member] |  |
Organization |  |
Common unitholders units outstanding |  | 46,000,000 us-gaap_LimitedPartnersCapitalAccountUnitsOutstanding / us-gaap_StatementClassOfStockAxis = am_CommonUnitholdersPublicMember
Common Unitholders Public [Member] | IPO [Member] |  |
Organization |  |
Ownership percentage (as a percent) |  | 30.30%am_OwnershipPercentage / us-gaap_StatementClassOfStockAxis = am_CommonUnitholdersPublicMember / us-gaap_TransactionTypeAxis = us-gaap_IPOMember
Common unitholders units outstanding |  | 46,000,000 us-gaap_LimitedPartnersCapitalAccountUnitsOutstanding / us-gaap_StatementClassOfStockAxis = am_CommonUnitholdersPublicMember / us-gaap_TransactionTypeAxis = us-gaap_IPOMember
Common Unitholders Antero [Member] |  |
Organization |  |
Common unitholders units outstanding |  | 29,940,957 us-gaap_LimitedPartnersCapitalAccountUnitsOutstanding / us-gaap_StatementClassOfStockAxis = am_CommonUnitholdersAnteroMember
Subordinated Unitholder Antero [Member] |  |
Organization |  |
Common unitholders units outstanding |  | 75,940,957 us-gaap_LimitedPartnersCapitalAccountUnitsOutstanding / us-gaap_StatementClassOfStockAxis = am_SubordinatedUnitholderAnteroMember
Antero |  |
Organization |  |
Term of agreement with Antero |  | 20 years
Antero | IPO [Member] |  |
Organization |  |
Debt repaid using the proceeds of IPO | $ 843,000,000 am_CashOutflowToParentToRepayIndebtednessAndToReimburse / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = am_AnteroResourcesCorporationMember / us-gaap_TransactionTypeAxis = us-gaap_IPOMember |
Antero | Antero Midstream Partners LP |  |
Organization |  |
Ownership percentage (as a percent) |  | 69.70%am_OwnershipPercentage / dei_LegalEntityAxis = am_AnteroMidstreamPartnersLpMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = am_AnteroResourcesCorporationMember

X
- Definition Represents the term of agreement with Antero, pursuant to which gathering and compression services are to be provided. + References No definition available. + Details
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- Definition The cash outflow to repay indebtedness assumed from the parent and to reimburse the parent for certain capital expenditures incurred. + References No definition available. + Details
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X
- Definition The cash inflow associated with the amount received from entity's first offering of stock to the public which is retained for general partnership purposes. + References No definition available. + Details
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- Definition Per unit amount received by partnership for each unit of limited partnership common interests issued or sold. + References No definition available. + Details
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- Definition The number of units redeemed during the year of each class of partners' capital account. Units represent shares of ownership of the general, limited, and preferred partners. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 5 -Subparagraph (SAB TOPIC 4.F) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187171-122770 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 16 -Subparagraph a, b -Article 6 + Details
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- Definition The number of units sold in a public offering of each class of partners' capital account. Units represent shares of ownership of the general, limited, and preferred partners. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 5 -Subparagraph (SAB TOPIC 4.F) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187171-122770 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 16 -Subparagraph a, b -Article 6 + Details
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