<?xml version='1.0' encoding='utf-8'?>
<FilingSummary>
  <Version>3.25.0.1</Version>
  <ProcessingTime/>
  <ReportFormat>html</ReportFormat>
  <ContextCount>496</ContextCount>
  <ElementCount>611</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>false</FootnotesReported>
  <SegmentCount>148</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>22</UnitCount>
  <MyReports>
    <Report instance="ar-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R1.htm</HtmlFileName>
      <LongName>995200090 - Document - Document and Entity Information</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DocumentDocumentAndEntityInformation</Role>
      <ShortName>Document and Entity Information</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>1</Position>
    </Report>
    <Report instance="ar-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R2.htm</HtmlFileName>
      <LongName>995200100 - Statement - Consolidated Balance Sheets</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/StatementConsolidatedBalanceSheets</Role>
      <ShortName>Consolidated Balance Sheets</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>2</Position>
    </Report>
    <Report instance="ar-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R3.htm</HtmlFileName>
      <LongName>995200105 - Statement - Consolidated Balance Sheets (Parenthetical)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/StatementConsolidatedBalanceSheetsParenthetical</Role>
      <ShortName>Consolidated Balance Sheets (Parenthetical)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>3</Position>
    </Report>
    <Report instance="ar-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R4.htm</HtmlFileName>
      <LongName>995200200 - Statement - Consolidated Statements of Operations and Comprehensive Income</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/StatementConsolidatedStatementsOfOperationsAndComprehensiveIncome</Role>
      <ShortName>Consolidated Statements of Operations and Comprehensive Income</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>4</Position>
    </Report>
    <Report instance="ar-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R5.htm</HtmlFileName>
      <LongName>995200205 - Statement - Consolidated Statements of Operations and Comprehensive Income (Parenthetical)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/StatementConsolidatedStatementsOfOperationsAndComprehensiveIncomeParenthetical</Role>
      <ShortName>Consolidated Statements of Operations and Comprehensive Income (Parenthetical)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>5</Position>
    </Report>
    <Report instance="ar-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R6.htm</HtmlFileName>
      <LongName>995200300 - Statement - Consolidated Statements of Equity</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/StatementConsolidatedStatementsOfEquity</Role>
      <ShortName>Consolidated Statements of Equity</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>6</Position>
    </Report>
    <Report instance="ar-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R7.htm</HtmlFileName>
      <LongName>995200400 - Statement - Consolidated Statements of Cash Flows</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/StatementConsolidatedStatementsOfCashFlows</Role>
      <ShortName>Consolidated Statements of Cash Flows</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>7</Position>
    </Report>
    <Report instance="ar-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R8.htm</HtmlFileName>
      <LongName>995210101 - Disclosure - Organization</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureOrganization</Role>
      <ShortName>Organization</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>8</Position>
    </Report>
    <Report instance="ar-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R9.htm</HtmlFileName>
      <LongName>995210201 - 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>
      <MenuCategory>Notes</MenuCategory>
      <Position>9</Position>
    </Report>
    <Report instance="ar-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R10.htm</HtmlFileName>
      <LongName>995210301 - Disclosure - Transactions</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureTransactions</Role>
      <ShortName>Transactions</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>10</Position>
    </Report>
    <Report instance="ar-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R11.htm</HtmlFileName>
      <LongName>995210401 - Disclosure - Revenue</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureRevenue</Role>
      <ShortName>Revenue</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>11</Position>
    </Report>
    <Report instance="ar-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R12.htm</HtmlFileName>
      <LongName>995210501 - Disclosure - Equity Method Investment</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureEquityMethodInvestment</Role>
      <ShortName>Equity Method Investment</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>12</Position>
    </Report>
    <Report instance="ar-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R13.htm</HtmlFileName>
      <LongName>995210601 - Disclosure - Accrued Liabilities</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureAccruedLiabilities</Role>
      <ShortName>Accrued Liabilities</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>13</Position>
    </Report>
    <Report instance="ar-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R14.htm</HtmlFileName>
      <LongName>995210701 - Disclosure - Long-Term Debt</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureLongTermDebt</Role>
      <ShortName>Long-Term Debt</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>14</Position>
    </Report>
    <Report instance="ar-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R15.htm</HtmlFileName>
      <LongName>995210801 - Disclosure - Asset Retirement Obligations</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureAssetRetirementObligations</Role>
      <ShortName>Asset Retirement Obligations</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>15</Position>
    </Report>
    <Report instance="ar-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R16.htm</HtmlFileName>
      <LongName>995210901 - Disclosure - Equity-Based Compensation</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureEquityBasedCompensation</Role>
      <ShortName>Equity-Based Compensation</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>16</Position>
    </Report>
    <Report instance="ar-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R17.htm</HtmlFileName>
      <LongName>995211001 - Disclosure - Fair Value</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureFairValue</Role>
      <ShortName>Fair Value</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>17</Position>
    </Report>
    <Report instance="ar-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R18.htm</HtmlFileName>
      <LongName>995211101 - Disclosure - Derivative Instruments</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureDerivativeInstruments</Role>
      <ShortName>Derivative Instruments</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>18</Position>
    </Report>
    <Report instance="ar-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R19.htm</HtmlFileName>
      <LongName>995211201 - Disclosure - Leases</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureLeases</Role>
      <ShortName>Leases</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>19</Position>
    </Report>
    <Report instance="ar-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R20.htm</HtmlFileName>
      <LongName>995211301 - Disclosure - Income Taxes</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureIncomeTaxes</Role>
      <ShortName>Income Taxes</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>20</Position>
    </Report>
    <Report instance="ar-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R21.htm</HtmlFileName>
      <LongName>995211401 - Disclosure - Commitments</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureCommitments</Role>
      <ShortName>Commitments</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>21</Position>
    </Report>
    <Report instance="ar-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R22.htm</HtmlFileName>
      <LongName>995211501 - Disclosure - Contingencies</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureContingencies</Role>
      <ShortName>Contingencies</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>22</Position>
    </Report>
    <Report instance="ar-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R23.htm</HtmlFileName>
      <LongName>995211601 - Disclosure - Related Parties</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureRelatedParties</Role>
      <ShortName>Related Parties</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>23</Position>
    </Report>
    <Report instance="ar-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R24.htm</HtmlFileName>
      <LongName>995211701 - Disclosure - Reportable Segments</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureReportableSegments</Role>
      <ShortName>Reportable Segments</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>24</Position>
    </Report>
    <Report instance="ar-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R25.htm</HtmlFileName>
      <LongName>995211801 - Disclosure - Subsidiary Guarantors</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureSubsidiaryGuarantors</Role>
      <ShortName>Subsidiary Guarantors</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>25</Position>
    </Report>
    <Report instance="ar-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R26.htm</HtmlFileName>
      <LongName>995211901 - Disclosure - Supplemental Information on Oil and Gas Producing Activities (Unaudited)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureSupplementalInformationOnOilAndGasProducingActivitiesUnaudited</Role>
      <ShortName>Supplemental Information on Oil and Gas Producing Activities (Unaudited)</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>26</Position>
    </Report>
    <Report instance="ar-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R27.htm</HtmlFileName>
      <LongName>995212001 - Disclosure - Immaterial Correction of Prior Period Error</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureImmaterialCorrectionOfPriorPeriodError</Role>
      <ShortName>Immaterial Correction of Prior Period Error</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>27</Position>
    </Report>
    <Report instance="ar-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R28.htm</HtmlFileName>
      <LongName>995440 - Disclosure - Recovery of Erroneously Awarded Compensation</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://xbrl.sec.gov/ecd/role/ErrCompDisclosure</Role>
      <ShortName>Recovery of Erroneously Awarded Compensation</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>28</Position>
    </Report>
    <Report instance="ar-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R29.htm</HtmlFileName>
      <LongName>995445 - Disclosure - Insider Trading Arrangements</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements</Role>
      <ShortName>Insider Trading Arrangements</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>29</Position>
    </Report>
    <Report instance="ar-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R30.htm</HtmlFileName>
      <LongName>995550 - Disclosure - Cybersecurity Risk Management and Strategy Disclosure</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://xbrl.sec.gov/cyd/role/CybersecurityRiskManagementAndStrategyDisclosure</Role>
      <ShortName>Cybersecurity Risk Management and Strategy Disclosure</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>30</Position>
    </Report>
    <Report instance="ar-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R31.htm</HtmlFileName>
      <LongName>99920202 - 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>
      <MenuCategory>Policies</MenuCategory>
      <ParentRole>http://www.anteroresources.com/role/DisclosureSummaryOfSignificantAccountingPolicies</ParentRole>
      <Position>31</Position>
    </Report>
    <Report instance="ar-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R32.htm</HtmlFileName>
      <LongName>99930203 - 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>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.anteroresources.com/role/DisclosureSummaryOfSignificantAccountingPolicies</ParentRole>
      <Position>32</Position>
    </Report>
    <Report instance="ar-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R33.htm</HtmlFileName>
      <LongName>99930403 - Disclosure - Revenue (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureRevenueTables</Role>
      <ShortName>Revenue (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.anteroresources.com/role/DisclosureRevenue</ParentRole>
      <Position>33</Position>
    </Report>
    <Report instance="ar-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R34.htm</HtmlFileName>
      <LongName>99930503 - Disclosure - Equity Method Investment (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureEquityMethodInvestmentTables</Role>
      <ShortName>Equity Method Investment (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.anteroresources.com/role/DisclosureEquityMethodInvestment</ParentRole>
      <Position>34</Position>
    </Report>
    <Report instance="ar-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R35.htm</HtmlFileName>
      <LongName>99930603 - Disclosure - Accrued Liabilities (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureAccruedLiabilitiesTables</Role>
      <ShortName>Accrued Liabilities (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.anteroresources.com/role/DisclosureAccruedLiabilities</ParentRole>
      <Position>35</Position>
    </Report>
    <Report instance="ar-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R36.htm</HtmlFileName>
      <LongName>99930703 - Disclosure - Long-Term Debt (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureLongTermDebtTables</Role>
      <ShortName>Long-Term Debt (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.anteroresources.com/role/DisclosureLongTermDebt</ParentRole>
      <Position>36</Position>
    </Report>
    <Report instance="ar-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R37.htm</HtmlFileName>
      <LongName>99930803 - Disclosure - Asset Retirement Obligations (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureAssetRetirementObligationsTables</Role>
      <ShortName>Asset Retirement Obligations (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.anteroresources.com/role/DisclosureAssetRetirementObligations</ParentRole>
      <Position>37</Position>
    </Report>
    <Report instance="ar-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R38.htm</HtmlFileName>
      <LongName>99930903 - Disclosure - Equity-Based Compensation (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureEquityBasedCompensationTables</Role>
      <ShortName>Equity-Based Compensation (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.anteroresources.com/role/DisclosureEquityBasedCompensation</ParentRole>
      <Position>38</Position>
    </Report>
    <Report instance="ar-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R39.htm</HtmlFileName>
      <LongName>99931003 - Disclosure - Fair value (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureFairValueTables</Role>
      <ShortName>Fair value (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <Position>39</Position>
    </Report>
    <Report instance="ar-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R40.htm</HtmlFileName>
      <LongName>99931103 - Disclosure - Derivative Instruments (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureDerivativeInstrumentsTables</Role>
      <ShortName>Derivative Instruments (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.anteroresources.com/role/DisclosureDerivativeInstruments</ParentRole>
      <Position>40</Position>
    </Report>
    <Report instance="ar-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R41.htm</HtmlFileName>
      <LongName>99931203 - Disclosure - Leases (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureLeasesTables</Role>
      <ShortName>Leases (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.anteroresources.com/role/DisclosureLeases</ParentRole>
      <Position>41</Position>
    </Report>
    <Report instance="ar-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R42.htm</HtmlFileName>
      <LongName>99931303 - Disclosure - Income Taxes (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureIncomeTaxesTables</Role>
      <ShortName>Income Taxes (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.anteroresources.com/role/DisclosureIncomeTaxes</ParentRole>
      <Position>42</Position>
    </Report>
    <Report instance="ar-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R43.htm</HtmlFileName>
      <LongName>99931403 - Disclosure - Commitments (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureCommitmentsTables</Role>
      <ShortName>Commitments (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.anteroresources.com/role/DisclosureCommitments</ParentRole>
      <Position>43</Position>
    </Report>
    <Report instance="ar-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R44.htm</HtmlFileName>
      <LongName>99931703 - Disclosure - Reportable Segments (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureReportableSegmentsTables</Role>
      <ShortName>Reportable Segments (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.anteroresources.com/role/DisclosureReportableSegments</ParentRole>
      <Position>44</Position>
    </Report>
    <Report instance="ar-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R45.htm</HtmlFileName>
      <LongName>99931803 - Disclosure - Subsidiary Guarantors (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureSubsidiaryGuarantorsTables</Role>
      <ShortName>Subsidiary Guarantors (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.anteroresources.com/role/DisclosureSubsidiaryGuarantors</ParentRole>
      <Position>45</Position>
    </Report>
    <Report instance="ar-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R46.htm</HtmlFileName>
      <LongName>99931903 - Disclosure - Supplemental Information on Oil and Gas Producing Activities (Unaudited) (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureSupplementalInformationOnOilAndGasProducingActivitiesUnauditedTables</Role>
      <ShortName>Supplemental Information on Oil and Gas Producing Activities (Unaudited) (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.anteroresources.com/role/DisclosureSupplementalInformationOnOilAndGasProducingActivitiesUnaudited</ParentRole>
      <Position>46</Position>
    </Report>
    <Report instance="ar-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R47.htm</HtmlFileName>
      <LongName>99932003 - Disclosure - Immaterial Correction of Prior Period Error (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureImmaterialCorrectionOfPriorPeriodErrorTables</Role>
      <ShortName>Immaterial Correction of Prior Period Error (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.anteroresources.com/role/DisclosureImmaterialCorrectionOfPriorPeriodError</ParentRole>
      <Position>47</Position>
    </Report>
    <Report instance="ar-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R48.htm</HtmlFileName>
      <LongName>99940201 - Disclosure - Summary of Significant Accounting Policies - Principles of Consolidation (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureSummaryOfSignificantAccountingPoliciesPrinciplesOfConsolidationDetails</Role>
      <ShortName>Summary of Significant Accounting Policies - Principles of Consolidation (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>48</Position>
    </Report>
    <Report instance="ar-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R49.htm</HtmlFileName>
      <LongName>99940202 - Disclosure - Summary of Significant Accounting Policies - Cash and Cash Equivalents (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureSummaryOfSignificantAccountingPoliciesCashAndCashEquivalentsDetails</Role>
      <ShortName>Summary of Significant Accounting Policies - Cash and Cash Equivalents (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>49</Position>
    </Report>
    <Report instance="ar-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R50.htm</HtmlFileName>
      <LongName>99940203 - Disclosure - Summary of Significant Accounting Policies - Other Property and equipment (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureSummaryOfSignificantAccountingPoliciesOtherPropertyAndEquipmentDetails</Role>
      <ShortName>Summary of Significant Accounting Policies - Other Property and equipment (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>50</Position>
    </Report>
    <Report instance="ar-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R51.htm</HtmlFileName>
      <LongName>99940204 - Disclosure - Summary of Significant Accounting Policies - Concentrations Credit Risk (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureSummaryOfSignificantAccountingPoliciesConcentrationsCreditRiskDetails</Role>
      <ShortName>Summary of Significant Accounting Policies - Concentrations Credit Risk (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>51</Position>
    </Report>
    <Report instance="ar-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R52.htm</HtmlFileName>
      <LongName>99940206 - Disclosure - Summary of Significant Accounting Policies - Reconciliation of Net Income (loss) Per Common Share (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureSummaryOfSignificantAccountingPoliciesReconciliationOfNetIncomeLossPerCommonShareDetails</Role>
      <ShortName>Summary of Significant Accounting Policies - Reconciliation of Net Income (loss) Per Common Share (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>52</Position>
    </Report>
    <Report instance="ar-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R53.htm</HtmlFileName>
      <LongName>99940207 - Disclosure - Summary of Significant Accounting Policies - Reconciliation of Weighted Average Shares Outstanding (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureSummaryOfSignificantAccountingPoliciesReconciliationOfWeightedAverageSharesOutstandingDetails</Role>
      <ShortName>Summary of Significant Accounting Policies - Reconciliation of Weighted Average Shares Outstanding (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>53</Position>
    </Report>
    <Report instance="ar-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R54.htm</HtmlFileName>
      <LongName>99940208 - Disclosure - Summary of Significant Accounting Policies - Recently Adopted or Issued Accounting Standards (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureSummaryOfSignificantAccountingPoliciesRecentlyAdoptedOrIssuedAccountingStandardsDetails</Role>
      <ShortName>Summary of Significant Accounting Policies - Recently Adopted or Issued Accounting Standards (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>54</Position>
    </Report>
    <Report instance="ar-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R55.htm</HtmlFileName>
      <LongName>99940301 - Disclosure - Transactions (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureTransactionsDetails</Role>
      <ShortName>Transactions (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.anteroresources.com/role/DisclosureTransactions</ParentRole>
      <Position>55</Position>
    </Report>
    <Report instance="ar-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R56.htm</HtmlFileName>
      <LongName>99940401 - Disclosure - Revenue (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureRevenueDetails</Role>
      <ShortName>Revenue (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.anteroresources.com/role/DisclosureRevenueTables</ParentRole>
      <Position>56</Position>
    </Report>
    <Report instance="ar-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R57.htm</HtmlFileName>
      <LongName>99940402 - Disclosure - Revenue - Transaction Price Allocation and Contract Balances (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureRevenueTransactionPriceAllocationAndContractBalancesDetails</Role>
      <ShortName>Revenue - Transaction Price Allocation and Contract Balances (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>57</Position>
    </Report>
    <Report instance="ar-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R58.htm</HtmlFileName>
      <LongName>99940501 - Disclosure - Equity Method Investment (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureEquityMethodInvestmentDetails</Role>
      <ShortName>Equity Method Investment (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.anteroresources.com/role/DisclosureEquityMethodInvestmentTables</ParentRole>
      <Position>58</Position>
    </Report>
    <Report instance="ar-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R59.htm</HtmlFileName>
      <LongName>99940601 - Disclosure - Accrued Liabilities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureAccruedLiabilitiesDetails</Role>
      <ShortName>Accrued Liabilities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.anteroresources.com/role/DisclosureAccruedLiabilitiesTables</ParentRole>
      <Position>59</Position>
    </Report>
    <Report instance="ar-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R60.htm</HtmlFileName>
      <LongName>99940701 - Disclosure - Long-Term Debt (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureLongTermDebtDetails</Role>
      <ShortName>Long-Term Debt (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.anteroresources.com/role/DisclosureLongTermDebtTables</ParentRole>
      <Position>60</Position>
    </Report>
    <Report instance="ar-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R61.htm</HtmlFileName>
      <LongName>99940801 - Disclosure - Asset Retirement Obligations (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureAssetRetirementObligationsDetails</Role>
      <ShortName>Asset Retirement Obligations (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.anteroresources.com/role/DisclosureAssetRetirementObligationsTables</ParentRole>
      <Position>61</Position>
    </Report>
    <Report instance="ar-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R62.htm</HtmlFileName>
      <LongName>99940901 - Disclosure - Equity-Based Compensation (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureEquityBasedCompensationDetails</Role>
      <ShortName>Equity-Based Compensation (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.anteroresources.com/role/DisclosureEquityBasedCompensationTables</ParentRole>
      <Position>62</Position>
    </Report>
    <Report instance="ar-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R63.htm</HtmlFileName>
      <LongName>99940902 - Disclosure - Equity-Based Compensation - Restricted Stock and RSU Awards (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureEquityBasedCompensationRestrictedStockAndRsuAwardsDetails</Role>
      <ShortName>Equity-Based Compensation - Restricted Stock and RSU Awards (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>63</Position>
    </Report>
    <Report instance="ar-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R64.htm</HtmlFileName>
      <LongName>99940903 - Disclosure - Equity-Based Compensation - PSU awards (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureEquityBasedCompensationPsuAwardsDetails</Role>
      <ShortName>Equity-Based Compensation - PSU awards (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>64</Position>
    </Report>
    <Report instance="ar-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R65.htm</HtmlFileName>
      <LongName>99940904 - Disclosure - Equity-Based Compensation - Stock Options (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureEquityBasedCompensationStockOptionsDetails</Role>
      <ShortName>Equity-Based Compensation - Stock Options (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>65</Position>
    </Report>
    <Report instance="ar-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R66.htm</HtmlFileName>
      <LongName>99941001 - Disclosure - Fair Value (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureFairValueDetails</Role>
      <ShortName>Fair Value (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.anteroresources.com/role/DisclosureFairValue</ParentRole>
      <Position>66</Position>
    </Report>
    <Report instance="ar-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R67.htm</HtmlFileName>
      <LongName>99941101 - Disclosure - Derivative Instruments - Commodity derivatives (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureDerivativeInstrumentsCommodityDerivativesDetails</Role>
      <ShortName>Derivative Instruments - Commodity derivatives (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>67</Position>
    </Report>
    <Report instance="ar-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R68.htm</HtmlFileName>
      <LongName>99941102 - Disclosure - Derivative Instruments - Fair value (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureDerivativeInstrumentsFairValueDetails</Role>
      <ShortName>Derivative Instruments - Fair value (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>68</Position>
    </Report>
    <Report instance="ar-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R69.htm</HtmlFileName>
      <LongName>99941103 - Disclosure - Derivative Instruments - Assets and liabilities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureDerivativeInstrumentsAssetsAndLiabilitiesDetails</Role>
      <ShortName>Derivative Instruments - Assets and liabilities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>69</Position>
    </Report>
    <Report instance="ar-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R70.htm</HtmlFileName>
      <LongName>99941104 - Disclosure - Derivative Instruments - Fair value gains (losses) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureDerivativeInstrumentsFairValueGainsLossesDetails</Role>
      <ShortName>Derivative Instruments - Fair value gains (losses) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>70</Position>
    </Report>
    <Report instance="ar-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R71.htm</HtmlFileName>
      <LongName>99941201 - Disclosure - Leases (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureLeasesDetails</Role>
      <ShortName>Leases (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.anteroresources.com/role/DisclosureLeasesTables</ParentRole>
      <Position>71</Position>
    </Report>
    <Report instance="ar-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R72.htm</HtmlFileName>
      <LongName>99941202 - Disclosure - Leases - Supplemental Balance Sheet Information Related to Leases (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureLeasesSupplementalBalanceSheetInformationRelatedToLeasesDetails</Role>
      <ShortName>Leases - Supplemental Balance Sheet Information Related to Leases (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>72</Position>
    </Report>
    <Report instance="ar-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R73.htm</HtmlFileName>
      <LongName>99941203 - Disclosure - Leases - Supplemental Information Related to Leases (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureLeasesSupplementalInformationRelatedToLeasesDetails</Role>
      <ShortName>Leases - Supplemental Information Related to Leases (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>73</Position>
    </Report>
    <Report instance="ar-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R74.htm</HtmlFileName>
      <LongName>99941204 - Disclosure - Leases - Maturities of Lease Liabilities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureLeasesMaturitiesOfLeaseLiabilitiesDetails</Role>
      <ShortName>Leases - Maturities of Lease Liabilities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>74</Position>
    </Report>
    <Report instance="ar-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R75.htm</HtmlFileName>
      <LongName>99941205 - Disclosure - Leases - Lease Term and Discount Rate (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureLeasesLeaseTermAndDiscountRateDetails</Role>
      <ShortName>Leases - Lease Term and Discount Rate (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>75</Position>
    </Report>
    <Report instance="ar-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R76.htm</HtmlFileName>
      <LongName>99941206 - Disclosure - Leases - Related Party Lease Disclosure (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureLeasesRelatedPartyLeaseDisclosureDetails</Role>
      <ShortName>Leases - Related Party Lease Disclosure (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>76</Position>
    </Report>
    <Report instance="ar-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R77.htm</HtmlFileName>
      <LongName>99941301 - Disclosure - Income Taxes (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureIncomeTaxesDetail</Role>
      <ShortName>Income Taxes (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.anteroresources.com/role/DisclosureIncomeTaxesTables</ParentRole>
      <Position>77</Position>
    </Report>
    <Report instance="ar-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R78.htm</HtmlFileName>
      <LongName>99941302 - Disclosure - Income Taxes - Unrecognized tax benefits (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureIncomeTaxesUnrecognizedTaxBenefitsDetails</Role>
      <ShortName>Income Taxes - Unrecognized tax benefits (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>78</Position>
    </Report>
    <Report instance="ar-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R79.htm</HtmlFileName>
      <LongName>99941303 - Disclosure - Income Taxes - Income Taxes - Reserve for Uncertain Tax Positions (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureIncomeTaxesIncomeTaxesReserveForUncertainTaxPositionsDetails</Role>
      <ShortName>Income Taxes - Income Taxes - Reserve for Uncertain Tax Positions (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>79</Position>
    </Report>
    <Report instance="ar-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R80.htm</HtmlFileName>
      <LongName>99941401 - Disclosure - Commitments (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureCommitmentsDetails</Role>
      <ShortName>Commitments (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.anteroresources.com/role/DisclosureCommitmentsTables</ParentRole>
      <Position>80</Position>
    </Report>
    <Report instance="ar-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R81.htm</HtmlFileName>
      <LongName>99941701 - Disclosure - Reportable Segments (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureReportableSegmentsDetails</Role>
      <ShortName>Reportable Segments (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.anteroresources.com/role/DisclosureReportableSegmentsTables</ParentRole>
      <Position>81</Position>
    </Report>
    <Report instance="ar-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R82.htm</HtmlFileName>
      <LongName>99941801 - Disclosure - Subsidiary Guarantors - Balance Sheets (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureSubsidiaryGuarantorsBalanceSheetsDetails</Role>
      <ShortName>Subsidiary Guarantors - Balance Sheets (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>82</Position>
    </Report>
    <Report instance="ar-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R83.htm</HtmlFileName>
      <LongName>99941901 - Disclosure - Supplemental Information on Oil and Gas Producing Activities (Unaudited) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureSupplementalInformationOnOilAndGasProducingActivitiesUnauditedDetails</Role>
      <ShortName>Supplemental Information on Oil and Gas Producing Activities (Unaudited) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.anteroresources.com/role/DisclosureSupplementalInformationOnOilAndGasProducingActivitiesUnauditedTables</ParentRole>
      <Position>83</Position>
    </Report>
    <Report instance="ar-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R84.htm</HtmlFileName>
      <LongName>99941902 - Disclosure - Supplemental Information on Oil and Gas Producing Activities (Unaudited) - Proved reserves (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureSupplementalInformationOnOilAndGasProducingActivitiesUnauditedProvedReservesDetails</Role>
      <ShortName>Supplemental Information on Oil and Gas Producing Activities (Unaudited) - Proved reserves (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.anteroresources.com/role/DisclosureSupplementalInformationOnOilAndGasProducingActivitiesUnauditedTables</ParentRole>
      <Position>84</Position>
    </Report>
    <Report instance="ar-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R85.htm</HtmlFileName>
      <LongName>99941903 - Disclosure - Supplemental Information on Oil and Gas Producing Activities (Unaudited) - Changes In Reserves (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureSupplementalInformationOnOilAndGasProducingActivitiesUnauditedChangesInReservesDetails</Role>
      <ShortName>Supplemental Information on Oil and Gas Producing Activities (Unaudited) - Changes In Reserves (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.anteroresources.com/role/DisclosureSupplementalInformationOnOilAndGasProducingActivitiesUnauditedTables</ParentRole>
      <Position>85</Position>
    </Report>
    <Report instance="ar-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R86.htm</HtmlFileName>
      <LongName>99941904 - Disclosure - Supplemental Information on Oil and Gas Producing Activities (Unaudited) - Discounted future cash flows (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureSupplementalInformationOnOilAndGasProducingActivitiesUnauditedDiscountedFutureCashFlowsDetails</Role>
      <ShortName>Supplemental Information on Oil and Gas Producing Activities (Unaudited) - Discounted future cash flows (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.anteroresources.com/role/DisclosureSupplementalInformationOnOilAndGasProducingActivitiesUnauditedTables</ParentRole>
      <Position>86</Position>
    </Report>
    <Report instance="ar-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R87.htm</HtmlFileName>
      <LongName>99941905 - Disclosure - Supplemental Information on Oil and Gas Producing Activities (Unaudited) - Changes in standardized measure of discounted future net cash flow (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureSupplementalInformationOnOilAndGasProducingActivitiesUnauditedChangesInStandardizedMeasureOfDiscountedFutureNetCashFlowDetails</Role>
      <ShortName>Supplemental Information on Oil and Gas Producing Activities (Unaudited) - Changes in standardized measure of discounted future net cash flow (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.anteroresources.com/role/DisclosureSupplementalInformationOnOilAndGasProducingActivitiesUnauditedTables</ParentRole>
      <Position>87</Position>
    </Report>
    <Report instance="ar-20241231x10k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R88.htm</HtmlFileName>
      <LongName>99942001 - Disclosure - Immaterial Correction of Prior Period Error - Effect on Error correction from previously reported consolidated financial statements (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.anteroresources.com/role/DisclosureImmaterialCorrectionOfPriorPeriodErrorEffectOnErrorCorrectionFromPreviouslyReportedConsolidatedFinancialStatementsDetails</Role>
      <ShortName>Immaterial Correction of Prior Period Error - Effect on Error correction from previously reported consolidated financial statements (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>88</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <LongName>All Reports</LongName>
      <ReportType>Book</ReportType>
      <ShortName>All Reports</ShortName>
    </Report>
  </MyReports>
  <InputFiles>
    <File>ar-20241231.xsd</File>
    <File>ar-20241231_cal.xml</File>
    <File>ar-20241231_def.xml</File>
    <File>ar-20241231_lab.xml</File>
    <File>ar-20241231_pre.xml</File>
    <File doctype="10-K" isDefinitelyFs="true" isUsgaap="true" original="ar-20241231x10k.htm">ar-20241231x10k.htm</File>
  </InputFiles>
  <SupplementalFiles>
    <File>ar-20241231x10k009.jpg</File>
  </SupplementalFiles>
  <BaseTaxonomies>
    <BaseTaxonomy items="185">http://fasb.org/srt/2024</BaseTaxonomy>
    <BaseTaxonomy items="1422">http://fasb.org/us-gaap/2024</BaseTaxonomy>
    <BaseTaxonomy items="15">http://xbrl.sec.gov/cyd/2024</BaseTaxonomy>
    <BaseTaxonomy items="38">http://xbrl.sec.gov/dei/2024</BaseTaxonomy>
    <BaseTaxonomy items="5">http://xbrl.sec.gov/ecd/2024</BaseTaxonomy>
  </BaseTaxonomies>
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>true</HasCalculationLinkbase>
</FilingSummary>
