<?xml version="1.0" encoding="utf-8"?>
<FilingSummary xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <Version>2.4.0.8</Version>
  <ProcessingTime />
  <ReportFormat>Html</ReportFormat>
  <ContextCount>316</ContextCount>
  <ElementCount>391</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>false</FootnotesReported>
  <SegmentCount>96</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>16</UnitCount>
  <MyReports>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R1.htm</HtmlFileName>
      <LongName>00000 - Document - Document and Entity Information</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DocumentAndEntityInformation</Role>
      <ShortName>Document and Entity Information</ShortName>
    </Report>
    <Report>
      <IsDefault>true</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R2.htm</HtmlFileName>
      <LongName>10010 - Statement - Condensed Consolidated Balance Sheets</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/BalanceSheetQuarterEnd</Role>
      <ShortName>Condensed Consolidated Balance Sheets</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R3.htm</HtmlFileName>
      <LongName>10015 - Statement - Condensed Consolidated Balance Sheets (Parenthetical)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/BalanceSheetParentheticalQuarterEnd</Role>
      <ShortName>Condensed Consolidated Balance Sheets (Parenthetical)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R4.htm</HtmlFileName>
      <LongName>10020 - Statement - Condensed Consolidated Statements of Operations and Comprehensive Income (Loss)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/StatementOfIncomeQuarterEnd</Role>
      <ShortName>Condensed Consolidated Statements of Operations and Comprehensive Income (Loss)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R5.htm</HtmlFileName>
      <LongName>10030 - Statement - Condensed Consolidated Statements of Cash Flows</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/CashFlowsQuarterEnd</Role>
      <ShortName>Condensed Consolidated Statements of Cash Flows</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R6.htm</HtmlFileName>
      <LongName>11010 - Disclosure - Business and Organization</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureBusinessAndOrganizationQuarterEnd</Role>
      <ShortName>Business and Organization</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R7.htm</HtmlFileName>
      <LongName>11020 - Disclosure - Basis of Presentation and Significant Accounting Policies</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureBasisOfPresentationAndSignificantAccountingPoliciesQuarterEnd</Role>
      <ShortName>Basis of Presentation and Significant Accounting Policies</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R8.htm</HtmlFileName>
      <LongName>11030 - Disclosure - Sale of Piceance and Arkoma Properties - Discontinued Operations</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureSaleOfPiceanceAndArkomaPropertiesDiscontinuedOperationsQuarterEnd</Role>
      <ShortName>Sale of Piceance and Arkoma Properties - Discontinued Operations</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R9.htm</HtmlFileName>
      <LongName>11040 - Disclosure - Long-term Debt</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureLongTermDebtQuarterEnd</Role>
      <ShortName>Long-term Debt</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R10.htm</HtmlFileName>
      <LongName>11050 - Disclosure - Ownership Structure</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureOwnershipStructureQuarterEnd</Role>
      <ShortName>Ownership Structure</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R11.htm</HtmlFileName>
      <LongName>11060 - Disclosure - Financial Instruments</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureFinancialInstrumentsQuarterEnd</Role>
      <ShortName>Financial Instruments</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R12.htm</HtmlFileName>
      <LongName>11070 - Disclosure - Asset Retirement Obligations</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureAssetRetirementObligationsQuarterEnd</Role>
      <ShortName>Asset Retirement Obligations</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R13.htm</HtmlFileName>
      <LongName>11080 - Disclosure - Derivative Instruments and Risk Management Activities</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureDerivativeInstrumentsAndRiskManagementActivitiesQuarterEnd</Role>
      <ShortName>Derivative Instruments and Risk Management Activities</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R14.htm</HtmlFileName>
      <LongName>11090 - Disclosure - Sale of Appalachian Gathering Assets</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureSaleOfAppalachianGatheringAssetsQuarterEnd</Role>
      <ShortName>Sale of Appalachian Gathering Assets</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R15.htm</HtmlFileName>
      <LongName>11100 - Disclosure - Contingencies</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureContingenciesQuarterEnd</Role>
      <ShortName>Contingencies</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R16.htm</HtmlFileName>
      <LongName>12020 - Disclosure - Basis of Presentation and Significant Accounting Policies (Policies)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureBasisOfPresentationAndSignificantAccountingPoliciesPoliciesQuarterEnd</Role>
      <ShortName>Basis of Presentation and Significant Accounting Policies (Policies)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R17.htm</HtmlFileName>
      <LongName>13030 - Disclosure - Sale of Piceance and Arkoma Properties - Discontinued Operations (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureSaleOfPiceanceAndArkomaPropertiesDiscontinuedOperationsTablesQuarterEnd</Role>
      <ShortName>Sale of Piceance and Arkoma Properties - Discontinued Operations (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R18.htm</HtmlFileName>
      <LongName>13040 - Disclosure - Long-term Debt (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureLongTermDebtTablesQuarterEnd</Role>
      <ShortName>Long-term Debt (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R19.htm</HtmlFileName>
      <LongName>13050 - Disclosure - Ownership Structure (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureOwnershipStructureTablesQuarterEnd</Role>
      <ShortName>Ownership Structure (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R20.htm</HtmlFileName>
      <LongName>13070 - Disclosure - Asset Retirement Obligations (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureAssetRetirementObligationsTablesQuarterEnd</Role>
      <ShortName>Asset Retirement Obligations (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R21.htm</HtmlFileName>
      <LongName>13080 - Disclosure - Derivative Instruments and Risk Management Activities (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureDerivativeInstrumentsAndRiskManagementActivitiesTablesQuarterEnd</Role>
      <ShortName>Derivative Instruments and Risk Management Activities (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R22.htm</HtmlFileName>
      <LongName>14020 - Disclosure - Basis of Presentation and Significant Accounting Policies (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureBasisOfPresentationAndSignificantAccountingPoliciesDetailsQuarterEnd</Role>
      <ShortName>Basis of Presentation and Significant Accounting Policies (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R23.htm</HtmlFileName>
      <LongName>14021 - Disclosure - Basis of Presentation and Significant Accounting Policies (Details 2)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureBasisOfPresentationAndSignificantAccountingPoliciesDetails2QuarterEnd</Role>
      <ShortName>Basis of Presentation and Significant Accounting Policies (Details 2)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R24.htm</HtmlFileName>
      <LongName>14030 - Disclosure - Sale of Piceance and Arkoma Properties - Discontinued Operations (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureSaleOfPiceanceAndArkomaPropertiesDiscontinuedOperationsDetailsQuarterEnd</Role>
      <ShortName>Sale of Piceance and Arkoma Properties - Discontinued Operations (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R25.htm</HtmlFileName>
      <LongName>14040 - Disclosure - Long-term Debt (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureLongTermDebtDetailsQuarterEnd</Role>
      <ShortName>Long-term Debt (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R26.htm</HtmlFileName>
      <LongName>14050 - Disclosure - Ownership Structure (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureOwnershipStructureDetailsQuarterEnd</Role>
      <ShortName>Ownership Structure (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R27.htm</HtmlFileName>
      <LongName>14060 - Disclosure - Financial Instruments (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureFinancialInstrumentsDetailsQuarterEnd</Role>
      <ShortName>Financial Instruments (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R28.htm</HtmlFileName>
      <LongName>14070 - Disclosure - Asset Retirement Obligations (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureAssetRetirementObligationsDetailsQuarterEnd</Role>
      <ShortName>Asset Retirement Obligations (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R29.htm</HtmlFileName>
      <LongName>14080 - Disclosure - Derivative Instruments and Risk Management Activities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureDerivativeInstrumentsAndRiskManagementActivitiesDetailsQuarterEnd</Role>
      <ShortName>Derivative Instruments and Risk Management Activities (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R30.htm</HtmlFileName>
      <LongName>14081 - Disclosure - Derivative Instruments and Risk Management Activities (Details 2)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureDerivativeInstrumentsAndRiskManagementActivitiesDetails2QuarterEnd</Role>
      <ShortName>Derivative Instruments and Risk Management Activities (Details 2)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R31.htm</HtmlFileName>
      <LongName>14082 - Disclosure - Derivative Instruments and Risk Management Activities (Details 3)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureDerivativeInstrumentsAndRiskManagementActivitiesDetails3QuarterEnd</Role>
      <ShortName>Derivative Instruments and Risk Management Activities (Details 3)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R32.htm</HtmlFileName>
      <LongName>14083 - Disclosure - Derivative Instruments and Risk Management Activities (Details 4)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureDerivativeInstrumentsAndRiskManagementActivitiesDetails4QuarterEnd</Role>
      <ShortName>Derivative Instruments and Risk Management Activities (Details 4)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R33.htm</HtmlFileName>
      <LongName>14084 - Disclosure - Derivative Instruments and Risk Management Activities (Details 5)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureDerivativeInstrumentsAndRiskManagementActivitiesDetails5QuarterEnd</Role>
      <ShortName>Derivative Instruments and Risk Management Activities (Details 5)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R34.htm</HtmlFileName>
      <LongName>14085 - Disclosure - Derivative Instruments and Risk Management Activities (Details 6)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureDerivativeInstrumentsAndRiskManagementActivitiesDetails6QuarterEnd</Role>
      <ShortName>Derivative Instruments and Risk Management Activities (Details 6)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R35.htm</HtmlFileName>
      <LongName>14090 - Disclosure - Sale of Appalachian Gathering Assets (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureSaleOfAppalachianGatheringAssetsDetailsQuarterEnd</Role>
      <ShortName>Sale of Appalachian Gathering Assets (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R36.htm</HtmlFileName>
      <LongName>14100 - Disclosure - Contingencies (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureContingenciesDetailsQuarterEnd</Role>
      <ShortName>Contingencies (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R37.htm</HtmlFileName>
      <LongName>30010 - Statement - Consolidated Balance Sheets</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/BalanceSheet</Role>
      <ShortName>Consolidated Balance Sheets</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R38.htm</HtmlFileName>
      <LongName>30015 - Statement - Consolidated Balance Sheets (Parenthetical)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/BalanceSheetParenthetical</Role>
      <ShortName>Consolidated Balance Sheets (Parenthetical)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R39.htm</HtmlFileName>
      <LongName>30020 - Statement - Consolidated Statements of Operations and Comprehensive Income (Loss)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/StatementOfIncome</Role>
      <ShortName>Consolidated Statements of Operations and Comprehensive Income (Loss)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R40.htm</HtmlFileName>
      <LongName>30025 - Statement - Consolidated Statements of Operations and Comprehensive Income (Loss) (Parenthetical)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/StatementOfIncomeParenthetical</Role>
      <ShortName>Consolidated Statements of Operations and Comprehensive Income (Loss) (Parenthetical)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R41.htm</HtmlFileName>
      <LongName>30030 - Statement - Consolidated Statements of Equity</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/StatementOfStockholdersEquity</Role>
      <ShortName>Consolidated Statements of Equity</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R42.htm</HtmlFileName>
      <LongName>30040 - Statement - Consolidated Statements of Cash Flows</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/CashFlows</Role>
      <ShortName>Consolidated Statements of Cash Flows</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R43.htm</HtmlFileName>
      <LongName>30045 - Statement - Condensed Consolidated Statements of Cash Flows (Parenthetical)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/CashFlowsParenthetical</Role>
      <ShortName>Condensed Consolidated Statements of Cash Flows (Parenthetical)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R44.htm</HtmlFileName>
      <LongName>31010 - Disclosure - Organization</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureOrganization</Role>
      <ShortName>Organization</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R45.htm</HtmlFileName>
      <LongName>31020 - Disclosure - Summary of Significant Accounting Policies</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureSummaryOfSignificantAccountingPolicies</Role>
      <ShortName>Summary of Significant Accounting Policies</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R46.htm</HtmlFileName>
      <LongName>31030 - Disclosure - Sale of Piceance and Arkoma Properties - Discontinued Operations</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureSaleOfPiceanceAndArkomaPropertiesDiscontinuedOperations</Role>
      <ShortName>Sale of Piceance and Arkoma Properties - Discontinued Operations</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R47.htm</HtmlFileName>
      <LongName>31040 - Disclosure - Sale of Appalachian Gathering Assets</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureSaleOfAppalachianGatheringAssets</Role>
      <ShortName>Sale of Appalachian Gathering Assets</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R48.htm</HtmlFileName>
      <LongName>31050 - Disclosure - Bluestone Acquisition</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureBluestoneAcquisition</Role>
      <ShortName>Bluestone Acquisition</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R49.htm</HtmlFileName>
      <LongName>31060 - Disclosure - Notes Receivable</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureNotesReceivable</Role>
      <ShortName>Notes Receivable</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R50.htm</HtmlFileName>
      <LongName>31070 - Disclosure - Long-term Debt</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureLongTermDebt</Role>
      <ShortName>Long-term Debt</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R51.htm</HtmlFileName>
      <LongName>31080 - Disclosure - Asset Retirement Obligations</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureAssetRetirementObligations</Role>
      <ShortName>Asset Retirement Obligations</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R52.htm</HtmlFileName>
      <LongName>31090 - Disclosure - Ownership Structure</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureOwnershipStructure</Role>
      <ShortName>Ownership Structure</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R53.htm</HtmlFileName>
      <LongName>31100 - Disclosure - Membership Interests Awards</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureMembershipInterestsAwards</Role>
      <ShortName>Membership Interests Awards</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R54.htm</HtmlFileName>
      <LongName>31110 - Disclosure - Financial Instruments</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureFinancialInstruments</Role>
      <ShortName>Financial Instruments</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R55.htm</HtmlFileName>
      <LongName>31120 - Disclosure - Derivative Instruments</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureDerivativeInstruments</Role>
      <ShortName>Derivative Instruments</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R56.htm</HtmlFileName>
      <LongName>31130 - Disclosure - Income Taxes</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureIncomeTaxes</Role>
      <ShortName>Income Taxes</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R57.htm</HtmlFileName>
      <LongName>31140 - Disclosure - Commitments</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureCommitments</Role>
      <ShortName>Commitments</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R58.htm</HtmlFileName>
      <LongName>31150 - Disclosure - Contingencies</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureContingencies</Role>
      <ShortName>Contingencies</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R59.htm</HtmlFileName>
      <LongName>31160 - Disclosure - Supplemental Information on Oil and Gas Producing Activities (Unaudited)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureSupplementalInformationOnOilAndGasProducingActivities</Role>
      <ShortName>Supplemental Information on Oil and Gas Producing Activities (Unaudited)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R60.htm</HtmlFileName>
      <LongName>32020 - Disclosure - Summary of Significant Accounting Policies (Policies)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureSummaryOfSignificantAccountingPoliciesPolicies</Role>
      <ShortName>Summary of Significant Accounting Policies (Policies)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R61.htm</HtmlFileName>
      <LongName>33020 - Disclosure - Summary of Significant Accounting Policies (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureSummaryOfSignificantAccountingPoliciesTables</Role>
      <ShortName>Summary of Significant Accounting Policies (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R62.htm</HtmlFileName>
      <LongName>33030 - Disclosure - Sale of Piceance and Arkoma Properties - Discontinued Operations (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureSaleOfPiceanceAndArkomaPropertiesDiscontinuedOperationsTables</Role>
      <ShortName>Sale of Piceance and Arkoma Properties - Discontinued Operations (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R63.htm</HtmlFileName>
      <LongName>33050 - Disclosure - Bluestone Acquisition (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureBluestoneAcquisitionTables</Role>
      <ShortName>Bluestone Acquisition (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R64.htm</HtmlFileName>
      <LongName>33070 - Disclosure - Long-term Debt (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureLongTermDebtTables</Role>
      <ShortName>Long-term Debt (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R65.htm</HtmlFileName>
      <LongName>33080 - Disclosure - Asset Retirement Obligations (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureAssetRetirementObligationsTables</Role>
      <ShortName>Asset Retirement Obligations (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R66.htm</HtmlFileName>
      <LongName>33090 - Disclosure - Ownership Structure (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureOwnershipStructureTables</Role>
      <ShortName>Ownership Structure (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R67.htm</HtmlFileName>
      <LongName>33100 - Disclosure - Membership Interests Awards (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureMembershipInterestsAwardsTables</Role>
      <ShortName>Membership Interests Awards (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R68.htm</HtmlFileName>
      <LongName>33120 - Disclosure - Derivative Instruments (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureDerivativeInstrumentsTables</Role>
      <ShortName>Derivative Instruments (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R69.htm</HtmlFileName>
      <LongName>33130 - Disclosure - Income Taxes (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureIncomeTaxesTables</Role>
      <ShortName>Income Taxes (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R70.htm</HtmlFileName>
      <LongName>33140 - Disclosure - Commitments (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureCommitmentsTables</Role>
      <ShortName>Commitments (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R71.htm</HtmlFileName>
      <LongName>33160 - Disclosure - Supplemental Information on Oil and Gas Producing Activities (Unaudited) (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureSupplementalInformationOnOilAndGasProducingActivitiesTables</Role>
      <ShortName>Supplemental Information on Oil and Gas Producing Activities (Unaudited) (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R72.htm</HtmlFileName>
      <LongName>34020 - Disclosure - Summary of Significant Accounting Policies (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureSummaryOfSignificantAccountingPoliciesDetails</Role>
      <ShortName>Summary of Significant Accounting Policies (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R73.htm</HtmlFileName>
      <LongName>34021 - Disclosure - Summary of Significant Accounting Policies (Details 2)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureSummaryOfSignificantAccountingPoliciesDetails2</Role>
      <ShortName>Summary of Significant Accounting Policies (Details 2)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R74.htm</HtmlFileName>
      <LongName>34022 - Disclosure - Summary of Significant Accounting Policies (Details 3)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureSummaryOfSignificantAccountingPoliciesDetails3</Role>
      <ShortName>Summary of Significant Accounting Policies (Details 3)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R75.htm</HtmlFileName>
      <LongName>34023 - Disclosure - Summary of Significant Accounting Policies (Details 4)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureSummaryOfSignificantAccountingPoliciesDetails4</Role>
      <ShortName>Summary of Significant Accounting Policies (Details 4)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R76.htm</HtmlFileName>
      <LongName>34030 - Disclosure - Sale of Piceance and Arkoma Properties - Discontinued Operations (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureSaleOfPiceanceAndArkomaPropertiesDiscontinuedOperationsDetails</Role>
      <ShortName>Sale of Piceance and Arkoma Properties - Discontinued Operations (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R77.htm</HtmlFileName>
      <LongName>34040 - Disclosure - Sale of Appalachian Gathering Assets (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureSaleOfAppalachianGatheringAssetsDetails</Role>
      <ShortName>Sale of Appalachian Gathering Assets (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R78.htm</HtmlFileName>
      <LongName>34050 - Disclosure - Bluestone Acquisition (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureBluestoneAcquisitionDetails</Role>
      <ShortName>Bluestone Acquisition (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R79.htm</HtmlFileName>
      <LongName>34060 - Disclosure - Notes Receivable (Details)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureNotesReceivableDetails</Role>
      <ShortName>Notes Receivable (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R80.htm</HtmlFileName>
      <LongName>34070 - Disclosure - Long-term Debt (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureLongTermDebtDetails</Role>
      <ShortName>Long-term Debt (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R81.htm</HtmlFileName>
      <LongName>34080 - Disclosure - Asset Retirement Obligations (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureAssetRetirementObligationsDetails</Role>
      <ShortName>Asset Retirement Obligations (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R82.htm</HtmlFileName>
      <LongName>34090 - Disclosure - Ownership Structure (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureOwnershipStructureDetails</Role>
      <ShortName>Ownership Structure (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R83.htm</HtmlFileName>
      <LongName>34100 - Disclosure - Membership Interests Awards (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureMembershipInterestsAwardsDetails</Role>
      <ShortName>Membership Interests Awards (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R84.htm</HtmlFileName>
      <LongName>34110 - Disclosure - Financial Instruments (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureFinancialInstrumentsDetails</Role>
      <ShortName>Financial Instruments (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R85.htm</HtmlFileName>
      <LongName>34120 - Disclosure - Derivative Instruments (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureDerivativeInstrumentsDetails</Role>
      <ShortName>Derivative Instruments (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R86.htm</HtmlFileName>
      <LongName>34121 - Disclosure - Derivative Instruments (Details 2)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureDerivativeInstrumentsDetails2</Role>
      <ShortName>Derivative Instruments (Details 2)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R87.htm</HtmlFileName>
      <LongName>34122 - Disclosure - Derivative Instruments (Details 3)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureDerivativeInstrumentsDetails3</Role>
      <ShortName>Derivative Instruments (Details 3)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R88.htm</HtmlFileName>
      <LongName>34130 - Disclosure - Income Taxes (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureIncomeTaxesDetails</Role>
      <ShortName>Income Taxes (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R89.htm</HtmlFileName>
      <LongName>34131 - Disclosure - Income Taxes (Details 2)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureIncomeTaxesDetails2</Role>
      <ShortName>Income Taxes (Details 2)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R90.htm</HtmlFileName>
      <LongName>34140 - Disclosure - Commitments (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureCommitmentsDetails</Role>
      <ShortName>Commitments (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R91.htm</HtmlFileName>
      <LongName>34150 - Disclosure - Contingencies (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureContingenciesDetails</Role>
      <ShortName>Contingencies (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R92.htm</HtmlFileName>
      <LongName>34160 - Disclosure - Supplemental Information on Oil and Gas Producing Activities (Unaudited) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureSupplementalInformationOnOilAndGasProducingActivitiesDetails</Role>
      <ShortName>Supplemental Information on Oil and Gas Producing Activities (Unaudited) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R93.htm</HtmlFileName>
      <LongName>34161 - Disclosure - Supplemental Information on Oil and Gas Producing Activities (Unaudited) (Details 2)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureSupplementalInformationOnOilAndGasProducingActivitiesDetails2</Role>
      <ShortName>Supplemental Information on Oil and Gas Producing Activities (Unaudited) (Details 2)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R94.htm</HtmlFileName>
      <LongName>34162 - Disclosure - Supplemental Information on Oil and Gas Producing Activities (Unaudited) (Details 3)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureSupplementalInformationOnOilAndGasProducingActivitiesDetails3</Role>
      <ShortName>Supplemental Information on Oil and Gas Producing Activities (Unaudited) (Details 3)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R95.htm</HtmlFileName>
      <LongName>34163 - Disclosure - Supplemental Information on Oil and Gas Producing Activities (Unaudited) (Details 4)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureSupplementalInformationOnOilAndGasProducingActivitiesDetails4</Role>
      <ShortName>Supplemental Information on Oil and Gas Producing Activities (Unaudited) (Details 4)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <LongName>All Reports</LongName>
      <ReportType>Book</ReportType>
      <ShortName>All Reports</ShortName>
    </Report>
  </MyReports>
  <Logs>
    <Log type="Info">Element us-gaap_BusinessCombinationAcquisitionRelatedCosts had a mix of decimals attribute values: -5 -3.</Log>
    <Log type="Info">Element us-gaap_GainLossOnSalesOfAssetsAndAssetImpairmentCharges had a mix of decimals attribute values: -6 -3.</Log>
    <Log type="Info">Element us-gaap_GainsLossesOnSalesOfOtherAssets had a mix of decimals attribute values: -6 -3.</Log>
    <Log type="Info">Element us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity had a mix of decimals attribute values: -8 -5.</Log>
    <Log type="Info">Element us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage had a mix of decimals attribute values: 4 5.</Log>
    <Log type="Info">Element us-gaap_PartnersCapitalAccountAcquisitions had a mix of decimals attribute values: -6 -3.</Log>
    <Log type="Info">Element us-gaap_PriceRiskDerivativeAssetsAtFairValue had a mix of decimals attribute values: -6 -3.</Log>
    <Log type="Info">'Monetary' elements on report '14020 - Disclosure - Basis of Presentation and Significant Accounting Policies (Details)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">'Monetary' elements on report '14030 - Disclosure - Sale of Piceance and Arkoma Properties - Discontinued Operations (Details)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">'Monetary' elements on report '14040 - Disclosure - Long-term Debt (Details)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">'Monetary' elements on report '14090 - Disclosure - Sale of Appalachian Gathering Assets (Details)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">'Monetary' elements on report '34020 - Disclosure - Summary of Significant Accounting Policies (Details)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">'Monetary' elements on report '34030 - Disclosure - Sale of Piceance and Arkoma Properties - Discontinued Operations (Details)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">'Monetary' elements on report '34040 - Disclosure - Sale of Appalachian Gathering Assets (Details)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">'Monetary' elements on report '34050 - Disclosure - Bluestone Acquisition (Details)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">'Monetary' elements on report '34070 - Disclosure - Long-term Debt (Details)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">'Monetary' elements on report '34090 - Disclosure - Ownership Structure (Details)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">'Monetary' elements on report '34131 - Disclosure - Income Taxes (Details 2)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">'Monetary' elements on report '34160 - Disclosure - Supplemental Information on Oil and Gas Producing Activities (Unaudited) (Details)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">Process Flow-Through: 10010 - Statement - Condensed Consolidated Balance Sheets</Log>
    <Log type="Info">	Process Flow-Through: Removing column 'Jun. 30, 2012'</Log>
    <Log type="Info">	Process Flow-Through: Removing column 'Dec. 31, 2011'</Log>
    <Log type="Info">	Process Flow-Through: Removing column 'Dec. 31, 2010'</Log>
    <Log type="Info">	Process Flow-Through: Removing column 'Dec. 31, 2009'</Log>
    <Log type="Info">Process Flow-Through: 10015 - Statement - Condensed Consolidated Balance Sheets (Parenthetical)</Log>
    <Log type="Info">Process Flow-Through: 10020 - Statement - Condensed Consolidated Statements of Operations and Comprehensive Income (Loss)</Log>
    <Log type="Info">Process Flow-Through: 10030 - Statement - Condensed Consolidated Statements of Cash Flows</Log>
    <Log type="Info">	Process Flow-Through: Removing column '12 Months Ended
Dec. 31, 2012'</Log>
    <Log type="Info">	Process Flow-Through: Removing column '12 Months Ended
Dec. 31, 2011'</Log>
    <Log type="Info">	Process Flow-Through: Removing column '12 Months Ended
Dec. 31, 2010'</Log>
    <Log type="Info">Process Flow-Through: 30010 - Statement - Consolidated Balance Sheets</Log>
    <Log type="Info">	Process Flow-Through: Removing column 'Jun. 30, 2013'</Log>
    <Log type="Info">	Process Flow-Through: Removing column 'Jun. 30, 2012'</Log>
    <Log type="Info">	Process Flow-Through: Removing column 'Dec. 31, 2010'</Log>
    <Log type="Info">	Process Flow-Through: Removing column 'Dec. 31, 2009'</Log>
    <Log type="Info">Process Flow-Through: 30015 - Statement - Consolidated Balance Sheets (Parenthetical)</Log>
    <Log type="Info">Process Flow-Through: 30020 - Statement - Consolidated Statements of Operations and Comprehensive Income (Loss)</Log>
    <Log type="Info">	Process Flow-Through: Removing column '3 Months Ended
Jun. 30, 2013'</Log>
    <Log type="Info">	Process Flow-Through: Removing column '3 Months Ended
Jun. 30, 2012'</Log>
    <Log type="Info">	Process Flow-Through: Removing column '6 Months Ended
Jun. 30, 2013'</Log>
    <Log type="Info">	Process Flow-Through: Removing column '6 Months Ended
Jun. 30, 2012'</Log>
    <Log type="Info">Process Flow-Through: 30025 - Statement - Consolidated Statements of Operations and Comprehensive Income (Loss) (Parenthetical)</Log>
    <Log type="Info">	Process Flow-Through: Removing column '3 Months Ended
Jun. 30, 2013'</Log>
    <Log type="Info">	Process Flow-Through: Removing column '3 Months Ended
Jun. 30, 2012'</Log>
    <Log type="Info">	Process Flow-Through: Removing column '6 Months Ended
Jun. 30, 2013'</Log>
    <Log type="Info">	Process Flow-Through: Removing column '6 Months Ended
Jun. 30, 2012'</Log>
    <Log type="Info">Process Flow-Through: 30040 - Statement - Consolidated Statements of Cash Flows</Log>
    <Log type="Info">	Process Flow-Through: Removing column '6 Months Ended
Jun. 30, 2013'</Log>
    <Log type="Info">	Process Flow-Through: Removing column '6 Months Ended
Jun. 30, 2012'</Log>
    <Log type="Info">Process Flow-Through: 30045 - Statement - Condensed Consolidated Statements of Cash Flows (Parenthetical)</Log>
  </Logs>
  <InputFiles>
    <File>arf-20131015.xml</File>
    <File>arf-20131015.xsd</File>
    <File>arf-20131015_cal.xml</File>
    <File>arf-20131015_def.xml</File>
    <File>arf-20131015_lab.xml</File>
    <File>arf-20131015_pre.xml</File>
  </InputFiles>
  <SupplementalFiles />
  <BaseTaxonomies />
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>true</HasCalculationLinkbase>
</FilingSummary>
