<?xml version='1.0' encoding='utf-8'?>
<FilingSummary>
  <Version>3.20.1</Version>
  <ProcessingTime/>
  <ReportFormat>html</ReportFormat>
  <ContextCount>328</ContextCount>
  <ElementCount>394</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>true</FootnotesReported>
  <SegmentCount>85</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>9</UnitCount>
  <MyReports>
    <Report instance="mic-20200331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R1.htm</HtmlFileName>
      <LongName>0001000 - Document - Cover Page</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.macquarie.com/role/CoverPage</Role>
      <ShortName>Cover Page</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>1</Position>
    </Report>
    <Report instance="mic-20200331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R2.htm</HtmlFileName>
      <LongName>1001000 - Statement - CONSOLIDATED CONDENSED BALANCE SHEETS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.macquarie.com/role/ConsolidatedCondensedBalanceSheets</Role>
      <ShortName>CONSOLIDATED CONDENSED BALANCE SHEETS</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>2</Position>
    </Report>
    <Report instance="mic-20200331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R3.htm</HtmlFileName>
      <LongName>1001501 - Statement - CONSOLIDATED CONDENSED BALANCE SHEETS (Parentheticals)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.macquarie.com/role/ConsolidatedCondensedBalanceSheetsParentheticals</Role>
      <ShortName>CONSOLIDATED CONDENSED BALANCE SHEETS (Parentheticals)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>3</Position>
    </Report>
    <Report instance="mic-20200331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R4.htm</HtmlFileName>
      <LongName>1002000 - Statement - CONSOLIDATED CONDENSED STATEMENTS OF OPERATIONS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.macquarie.com/role/ConsolidatedCondensedStatementsOfOperations</Role>
      <ShortName>CONSOLIDATED CONDENSED STATEMENTS OF OPERATIONS</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>4</Position>
    </Report>
    <Report instance="mic-20200331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R5.htm</HtmlFileName>
      <LongName>1002501 - Statement - CONSOLIDATED CONDENSED STATEMENTS OF OPERATIONS (Parentheticals)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.macquarie.com/role/ConsolidatedCondensedStatementsOfOperationsParentheticals</Role>
      <ShortName>CONSOLIDATED CONDENSED STATEMENTS OF OPERATIONS (Parentheticals)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>5</Position>
    </Report>
    <Report instance="mic-20200331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R6.htm</HtmlFileName>
      <LongName>1003000 - Statement - CONSOLIDATED CONDENSED STATEMENTS OF COMPREHENSIVE INCOME</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.macquarie.com/role/ConsolidatedCondensedStatementsOfComprehensiveIncome</Role>
      <ShortName>CONSOLIDATED CONDENSED STATEMENTS OF COMPREHENSIVE INCOME</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>6</Position>
    </Report>
    <Report instance="mic-20200331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R7.htm</HtmlFileName>
      <LongName>1003001 - Statement - CONSOLIDATED CONDENSED STATEMENTS OF COMPREHENSIVE INCOME (Parenthetical)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.macquarie.com/role/ConsolidatedCondensedStatementsOfComprehensiveIncomeParenthetical</Role>
      <ShortName>CONSOLIDATED CONDENSED STATEMENTS OF COMPREHENSIVE INCOME (Parenthetical)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>7</Position>
    </Report>
    <Report instance="mic-20200331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R8.htm</HtmlFileName>
      <LongName>1004000 - Statement - CONSOLIDATED CONDENSED STATEMENTS OF STOCKHOLDERS' EQUITY</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.macquarie.com/role/ConsolidatedCondensedStatementsOfStockholdersEquity</Role>
      <ShortName>CONSOLIDATED CONDENSED STATEMENTS OF STOCKHOLDERS' EQUITY</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>8</Position>
    </Report>
    <Report instance="mic-20200331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R9.htm</HtmlFileName>
      <LongName>1004501 - Statement - CONSOLIDATED CONDENSED STATEMENTS OF STOCKHOLDERS' EQUITY (Parentheticals)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.macquarie.com/role/ConsolidatedCondensedStatementsOfStockholdersEquityParentheticals</Role>
      <ShortName>CONSOLIDATED CONDENSED STATEMENTS OF STOCKHOLDERS' EQUITY (Parentheticals)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>9</Position>
    </Report>
    <Report instance="mic-20200331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R10.htm</HtmlFileName>
      <LongName>1005000 - Statement - CONSOLIDATED CONDENSED STATEMENTS OF CASH FLOWS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.macquarie.com/role/ConsolidatedCondensedStatementsOfCashFlows</Role>
      <ShortName>CONSOLIDATED CONDENSED STATEMENTS OF CASH FLOWS</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>10</Position>
    </Report>
    <Report instance="mic-20200331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R11.htm</HtmlFileName>
      <LongName>2101100 - Disclosure - Organization and Description of Business</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.macquarie.com/role/OrganizationAndDescriptionOfBusiness</Role>
      <ShortName>Organization and Description of Business</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>11</Position>
    </Report>
    <Report instance="mic-20200331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R12.htm</HtmlFileName>
      <LongName>2102100 - Disclosure - Basis of Presentation</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.macquarie.com/role/BasisOfPresentation</Role>
      <ShortName>Basis of Presentation</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>12</Position>
    </Report>
    <Report instance="mic-20200331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R13.htm</HtmlFileName>
      <LongName>2103100 - Disclosure - Impact of COVID-19 Impact of COVID-19</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.macquarie.com/role/ImpactOfCovid19ImpactOfCovid19</Role>
      <ShortName>Impact of COVID-19 Impact of COVID-19</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>13</Position>
    </Report>
    <Report instance="mic-20200331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R14.htm</HtmlFileName>
      <LongName>2104100 - Disclosure - Discontinued Operations and Dispositions</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.macquarie.com/role/DiscontinuedOperationsAndDispositions</Role>
      <ShortName>Discontinued Operations and Dispositions</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>14</Position>
    </Report>
    <Report instance="mic-20200331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R15.htm</HtmlFileName>
      <LongName>2105100 - Disclosure - Income per Share</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.macquarie.com/role/IncomePerShare</Role>
      <ShortName>Income per Share</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>15</Position>
    </Report>
    <Report instance="mic-20200331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R16.htm</HtmlFileName>
      <LongName>2106100 - Disclosure - Property, Equipment, Land and Leasehold Improvements</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.macquarie.com/role/PropertyEquipmentLandAndLeaseholdImprovements</Role>
      <ShortName>Property, Equipment, Land and Leasehold Improvements</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>16</Position>
    </Report>
    <Report instance="mic-20200331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R17.htm</HtmlFileName>
      <LongName>2107100 - Disclosure - Intangible Assets and Goodwill</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.macquarie.com/role/IntangibleAssetsAndGoodwill</Role>
      <ShortName>Intangible Assets and Goodwill</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>17</Position>
    </Report>
    <Report instance="mic-20200331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R18.htm</HtmlFileName>
      <LongName>2108100 - Disclosure - Long-Term Debt</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.macquarie.com/role/LongTermDebt</Role>
      <ShortName>Long-Term Debt</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>18</Position>
    </Report>
    <Report instance="mic-20200331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R19.htm</HtmlFileName>
      <LongName>2109100 - Disclosure - Derivative Instruments and Hedging Activities</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.macquarie.com/role/DerivativeInstrumentsAndHedgingActivities</Role>
      <ShortName>Derivative Instruments and Hedging Activities</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>19</Position>
    </Report>
    <Report instance="mic-20200331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R20.htm</HtmlFileName>
      <LongName>2110100 - Disclosure - Stockholders' Equity</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.macquarie.com/role/StockholdersEquity</Role>
      <ShortName>Stockholders' Equity</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>20</Position>
    </Report>
    <Report instance="mic-20200331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R21.htm</HtmlFileName>
      <LongName>2111100 - Disclosure - Reportable Segments</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.macquarie.com/role/ReportableSegments</Role>
      <ShortName>Reportable Segments</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>21</Position>
    </Report>
    <Report instance="mic-20200331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R22.htm</HtmlFileName>
      <LongName>2112100 - Disclosure - Long-Term Contracted Revenue</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.macquarie.com/role/LongTermContractedRevenue</Role>
      <ShortName>Long-Term Contracted Revenue</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>22</Position>
    </Report>
    <Report instance="mic-20200331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R23.htm</HtmlFileName>
      <LongName>2113100 - Disclosure - Related Party Transactions</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.macquarie.com/role/RelatedPartyTransactions</Role>
      <ShortName>Related Party Transactions</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>23</Position>
    </Report>
    <Report instance="mic-20200331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R24.htm</HtmlFileName>
      <LongName>2114100 - Disclosure - Legal Proceedings and Contingencies</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.macquarie.com/role/LegalProceedingsAndContingencies</Role>
      <ShortName>Legal Proceedings and Contingencies</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>24</Position>
    </Report>
    <Report instance="mic-20200331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R25.htm</HtmlFileName>
      <LongName>2202201 - Disclosure - Basis of Presentation (Policies)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.macquarie.com/role/BasisOfPresentationPolicies</Role>
      <ShortName>Basis of Presentation (Policies)</ShortName>
      <MenuCategory>Policies</MenuCategory>
      <Position>25</Position>
    </Report>
    <Report instance="mic-20200331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R26.htm</HtmlFileName>
      <LongName>2304301 - Disclosure - Discontinued Operations and Dispositions (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.macquarie.com/role/DiscontinuedOperationsAndDispositionsTables</Role>
      <ShortName>Discontinued Operations and Dispositions (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.macquarie.com/role/DiscontinuedOperationsAndDispositions</ParentRole>
      <Position>26</Position>
    </Report>
    <Report instance="mic-20200331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R27.htm</HtmlFileName>
      <LongName>2305301 - Disclosure - Income per Share (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.macquarie.com/role/IncomePerShareTables</Role>
      <ShortName>Income per Share (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.macquarie.com/role/IncomePerShare</ParentRole>
      <Position>27</Position>
    </Report>
    <Report instance="mic-20200331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R28.htm</HtmlFileName>
      <LongName>2306301 - Disclosure - Property, Equipment, Land and Leasehold Improvements (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.macquarie.com/role/PropertyEquipmentLandAndLeaseholdImprovementsTables</Role>
      <ShortName>Property, Equipment, Land and Leasehold Improvements (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.macquarie.com/role/PropertyEquipmentLandAndLeaseholdImprovements</ParentRole>
      <Position>28</Position>
    </Report>
    <Report instance="mic-20200331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R29.htm</HtmlFileName>
      <LongName>2307301 - Disclosure - Intangible Assets and Goodwill (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.macquarie.com/role/IntangibleAssetsAndGoodwillTables</Role>
      <ShortName>Intangible Assets and Goodwill (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.macquarie.com/role/IntangibleAssetsAndGoodwill</ParentRole>
      <Position>29</Position>
    </Report>
    <Report instance="mic-20200331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R30.htm</HtmlFileName>
      <LongName>2308301 - Disclosure - Long-Term Debt (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.macquarie.com/role/LongTermDebtTables</Role>
      <ShortName>Long-Term Debt (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.macquarie.com/role/LongTermDebt</ParentRole>
      <Position>30</Position>
    </Report>
    <Report instance="mic-20200331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R31.htm</HtmlFileName>
      <LongName>2309301 - Disclosure - Derivative Instruments and Hedging Activities (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.macquarie.com/role/DerivativeInstrumentsAndHedgingActivitiesTables</Role>
      <ShortName>Derivative Instruments and Hedging Activities (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.macquarie.com/role/DerivativeInstrumentsAndHedgingActivities</ParentRole>
      <Position>31</Position>
    </Report>
    <Report instance="mic-20200331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R32.htm</HtmlFileName>
      <LongName>2310301 - Disclosure - Stockholders' Equity (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.macquarie.com/role/StockholdersEquityTables</Role>
      <ShortName>Stockholders' Equity (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.macquarie.com/role/StockholdersEquity</ParentRole>
      <Position>32</Position>
    </Report>
    <Report instance="mic-20200331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R33.htm</HtmlFileName>
      <LongName>2311301 - Disclosure - Reportable Segments (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.macquarie.com/role/ReportableSegmentsTables</Role>
      <ShortName>Reportable Segments (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.macquarie.com/role/ReportableSegments</ParentRole>
      <Position>33</Position>
    </Report>
    <Report instance="mic-20200331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R34.htm</HtmlFileName>
      <LongName>2312301 - Disclosure - Long-Term Contracted Revenue (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.macquarie.com/role/LongTermContractedRevenueTables</Role>
      <ShortName>Long-Term Contracted Revenue (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.macquarie.com/role/LongTermContractedRevenue</ParentRole>
      <Position>34</Position>
    </Report>
    <Report instance="mic-20200331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R35.htm</HtmlFileName>
      <LongName>2313301 - Disclosure - Related Party Transactions (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.macquarie.com/role/RelatedPartyTransactionsTables</Role>
      <ShortName>Related Party Transactions (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.macquarie.com/role/RelatedPartyTransactions</ParentRole>
      <Position>35</Position>
    </Report>
    <Report instance="mic-20200331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R36.htm</HtmlFileName>
      <LongName>2401401 - Disclosure - Organization and Description of Business (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.macquarie.com/role/OrganizationAndDescriptionOfBusinessDetails</Role>
      <ShortName>Organization and Description of Business (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.macquarie.com/role/OrganizationAndDescriptionOfBusiness</ParentRole>
      <Position>36</Position>
    </Report>
    <Report instance="mic-20200331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R37.htm</HtmlFileName>
      <LongName>2402402 - Disclosure - Basis of Presentation (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.macquarie.com/role/BasisOfPresentationNarrativeDetails</Role>
      <ShortName>Basis of Presentation (Narrative) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.macquarie.com/role/BasisOfPresentationPolicies</ParentRole>
      <Position>37</Position>
    </Report>
    <Report instance="mic-20200331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R38.htm</HtmlFileName>
      <LongName>2403401 - Disclosure - Impact of COVID-19 - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.macquarie.com/role/ImpactOfCovid19NarrativeDetails</Role>
      <ShortName>Impact of COVID-19 - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>38</Position>
    </Report>
    <Report instance="mic-20200331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R39.htm</HtmlFileName>
      <LongName>2404402 - Disclosure - Discontinued Operations and Dispositions (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.macquarie.com/role/DiscontinuedOperationsAndDispositionsNarrativeDetails</Role>
      <ShortName>Discontinued Operations and Dispositions (Narrative) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.macquarie.com/role/DiscontinuedOperationsAndDispositionsTables</ParentRole>
      <Position>39</Position>
    </Report>
    <Report instance="mic-20200331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R40.htm</HtmlFileName>
      <LongName>2404403 - Disclosure - Discontinued Operations and Dispositions (Statement of Operations) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.macquarie.com/role/DiscontinuedOperationsAndDispositionsStatementOfOperationsDetails</Role>
      <ShortName>Discontinued Operations and Dispositions (Statement of Operations) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.macquarie.com/role/DiscontinuedOperationsAndDispositionsTables</ParentRole>
      <Position>40</Position>
    </Report>
    <Report instance="mic-20200331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R41.htm</HtmlFileName>
      <LongName>2405402 - Disclosure - Income per Share (Schedule of Reconciliation of the basic and diluted income (loss) per share computations (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.macquarie.com/role/IncomePerShareScheduleOfReconciliationOfBasicAndDilutedIncomeLossPerShareComputationsDetails</Role>
      <ShortName>Income per Share (Schedule of Reconciliation of the basic and diluted income (loss) per share computations (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.macquarie.com/role/IncomePerShareTables</ParentRole>
      <Position>41</Position>
    </Report>
    <Report instance="mic-20200331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R42.htm</HtmlFileName>
      <LongName>2405403 - Disclosure - Income per Share (Schedule of Shares Excluded from Calculation) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.macquarie.com/role/IncomePerShareScheduleOfSharesExcludedFromCalculationDetails</Role>
      <ShortName>Income per Share (Schedule of Shares Excluded from Calculation) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.macquarie.com/role/IncomePerShareTables</ParentRole>
      <Position>42</Position>
    </Report>
    <Report instance="mic-20200331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R43.htm</HtmlFileName>
      <LongName>2406402 - Disclosure - Property, Equipment, Land and Leasehold Improvements (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.macquarie.com/role/PropertyEquipmentLandAndLeaseholdImprovementsDetails</Role>
      <ShortName>Property, Equipment, Land and Leasehold Improvements (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.macquarie.com/role/PropertyEquipmentLandAndLeaseholdImprovementsTables</ParentRole>
      <Position>43</Position>
    </Report>
    <Report instance="mic-20200331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R44.htm</HtmlFileName>
      <LongName>2407402 - Disclosure - Intangible Assets and Goodwill (Schedule of Intangible Assets) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.macquarie.com/role/IntangibleAssetsAndGoodwillScheduleOfIntangibleAssetsDetails</Role>
      <ShortName>Intangible Assets and Goodwill (Schedule of Intangible Assets) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.macquarie.com/role/IntangibleAssetsAndGoodwillTables</ParentRole>
      <Position>44</Position>
    </Report>
    <Report instance="mic-20200331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R45.htm</HtmlFileName>
      <LongName>2407403 - Disclosure - Intangible Assets and Goodwill (Schedule of Goodwill) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.macquarie.com/role/IntangibleAssetsAndGoodwillScheduleOfGoodwillDetails</Role>
      <ShortName>Intangible Assets and Goodwill (Schedule of Goodwill) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.macquarie.com/role/IntangibleAssetsAndGoodwillTables</ParentRole>
      <Position>45</Position>
    </Report>
    <Report instance="mic-20200331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R46.htm</HtmlFileName>
      <LongName>2407404 - Disclosure - Intangible Assets and Goodwill (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.macquarie.com/role/IntangibleAssetsAndGoodwillNarrativeDetails</Role>
      <ShortName>Intangible Assets and Goodwill (Narrative) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.macquarie.com/role/IntangibleAssetsAndGoodwillTables</ParentRole>
      <Position>46</Position>
    </Report>
    <Report instance="mic-20200331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R47.htm</HtmlFileName>
      <LongName>2408402 - Disclosure - Long-Term Debt (Schedule of Long-Term Debt) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.macquarie.com/role/LongTermDebtScheduleOfLongTermDebtDetails</Role>
      <ShortName>Long-Term Debt (Schedule of Long-Term Debt) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.macquarie.com/role/LongTermDebtTables</ParentRole>
      <Position>47</Position>
    </Report>
    <Report instance="mic-20200331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R48.htm</HtmlFileName>
      <LongName>2408403 - Disclosure - Long-Term Debt (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.macquarie.com/role/LongTermDebtNarrativeDetails</Role>
      <ShortName>Long-Term Debt (Narrative) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.macquarie.com/role/LongTermDebtTables</ParentRole>
      <Position>48</Position>
    </Report>
    <Report instance="mic-20200331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R49.htm</HtmlFileName>
      <LongName>2408404 - Disclosure - Long-Term Debt (Schedule of 2.00% Convertible Senior Notes) (Details)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://www.macquarie.com/role/LongTermDebtScheduleOf200ConvertibleSeniorNotesDetails</Role>
      <ShortName>Long-Term Debt (Schedule of 2.00% Convertible Senior Notes) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.macquarie.com/role/LongTermDebtTables</ParentRole>
      <Position>49</Position>
    </Report>
    <Report instance="mic-20200331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R50.htm</HtmlFileName>
      <LongName>2409402 - Disclosure - Derivative Instruments and Hedging Activities (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.macquarie.com/role/DerivativeInstrumentsAndHedgingActivitiesNarrativeDetails</Role>
      <ShortName>Derivative Instruments and Hedging Activities (Narrative) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.macquarie.com/role/DerivativeInstrumentsAndHedgingActivitiesTables</ParentRole>
      <Position>50</Position>
    </Report>
    <Report instance="mic-20200331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R51.htm</HtmlFileName>
      <LongName>2409403 - Disclosure - Derivative Instruments and Hedging Activities (Schedule of Fair Value of Derivative Instruments) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.macquarie.com/role/DerivativeInstrumentsAndHedgingActivitiesScheduleOfFairValueOfDerivativeInstrumentsDetails</Role>
      <ShortName>Derivative Instruments and Hedging Activities (Schedule of Fair Value of Derivative Instruments) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.macquarie.com/role/DerivativeInstrumentsAndHedgingActivitiesTables</ParentRole>
      <Position>51</Position>
    </Report>
    <Report instance="mic-20200331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R52.htm</HtmlFileName>
      <LongName>2409404 - Disclosure - Derivative Instruments and Hedging Activities (Schedule of Location of Hedging Activities) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.macquarie.com/role/DerivativeInstrumentsAndHedgingActivitiesScheduleOfLocationOfHedgingActivitiesDetails</Role>
      <ShortName>Derivative Instruments and Hedging Activities (Schedule of Location of Hedging Activities) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.macquarie.com/role/DerivativeInstrumentsAndHedgingActivitiesTables</ParentRole>
      <Position>52</Position>
    </Report>
    <Report instance="mic-20200331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R53.htm</HtmlFileName>
      <LongName>2410402 - Disclosure - Stockholders' Equity (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.macquarie.com/role/StockholdersEquityNarrativeDetails</Role>
      <ShortName>Stockholders' Equity (Narrative) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.macquarie.com/role/StockholdersEquityTables</ParentRole>
      <Position>53</Position>
    </Report>
    <Report instance="mic-20200331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R54.htm</HtmlFileName>
      <LongName>2410403 - Disclosure - Stockholders' Equity (Schedule of Unvested Stock Unit) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.macquarie.com/role/StockholdersEquityScheduleOfUnvestedStockUnitDetails</Role>
      <ShortName>Stockholders' Equity (Schedule of Unvested Stock Unit) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.macquarie.com/role/StockholdersEquityTables</ParentRole>
      <Position>54</Position>
    </Report>
    <Report instance="mic-20200331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R55.htm</HtmlFileName>
      <LongName>2410404 - Disclosure - Stockholders' Equity (Schedule of Accumulated Other Comprehensive Loss) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.macquarie.com/role/StockholdersEquityScheduleOfAccumulatedOtherComprehensiveLossDetails</Role>
      <ShortName>Stockholders' Equity (Schedule of Accumulated Other Comprehensive Loss) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.macquarie.com/role/StockholdersEquityTables</ParentRole>
      <Position>55</Position>
    </Report>
    <Report instance="mic-20200331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R56.htm</HtmlFileName>
      <LongName>2411402 - Disclosure - Reportable Segments (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.macquarie.com/role/ReportableSegmentsNarrativeDetails</Role>
      <ShortName>Reportable Segments (Narrative) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.macquarie.com/role/ReportableSegmentsTables</ParentRole>
      <Position>56</Position>
    </Report>
    <Report instance="mic-20200331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R57.htm</HtmlFileName>
      <LongName>2411403 - Disclosure - Reportable Segments (Revenue from external customers for the Company's consolidated reportable segments) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.macquarie.com/role/ReportableSegmentsRevenueFromExternalCustomersForCompanysConsolidatedReportableSegmentsDetails</Role>
      <ShortName>Reportable Segments (Revenue from external customers for the Company's consolidated reportable segments) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.macquarie.com/role/ReportableSegmentsTables</ParentRole>
      <Position>57</Position>
    </Report>
    <Report instance="mic-20200331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R58.htm</HtmlFileName>
      <LongName>2411404 - Disclosure - Reportable Segments (Schedule of EBITDA for Reportable Segments) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.macquarie.com/role/ReportableSegmentsScheduleOfEbitdaForReportableSegmentsDetails</Role>
      <ShortName>Reportable Segments (Schedule of EBITDA for Reportable Segments) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.macquarie.com/role/ReportableSegmentsTables</ParentRole>
      <Position>58</Position>
    </Report>
    <Report instance="mic-20200331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R59.htm</HtmlFileName>
      <LongName>2411405 - Disclosure - Reportable Segments (Schedule of Reconciliation of EBITDA for Reportable Segments) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.macquarie.com/role/ReportableSegmentsScheduleOfReconciliationOfEbitdaForReportableSegmentsDetails</Role>
      <ShortName>Reportable Segments (Schedule of Reconciliation of EBITDA for Reportable Segments) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.macquarie.com/role/ReportableSegmentsTables</ParentRole>
      <Position>59</Position>
    </Report>
    <Report instance="mic-20200331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R60.htm</HtmlFileName>
      <LongName>2411406 - Disclosure - Reportable Segments (Schedule of Capital Expenditures) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.macquarie.com/role/ReportableSegmentsScheduleOfCapitalExpendituresDetails</Role>
      <ShortName>Reportable Segments (Schedule of Capital Expenditures) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.macquarie.com/role/ReportableSegmentsTables</ParentRole>
      <Position>60</Position>
    </Report>
    <Report instance="mic-20200331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R61.htm</HtmlFileName>
      <LongName>2411407 - Disclosure - Reportable Segments (Schedule of Assets of Reportable Segments) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.macquarie.com/role/ReportableSegmentsScheduleOfAssetsOfReportableSegmentsDetails</Role>
      <ShortName>Reportable Segments (Schedule of Assets of Reportable Segments) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.macquarie.com/role/ReportableSegmentsTables</ParentRole>
      <Position>61</Position>
    </Report>
    <Report instance="mic-20200331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R62.htm</HtmlFileName>
      <LongName>2412402 - Disclosure - Long-Term Contracted Revenue (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.macquarie.com/role/LongTermContractedRevenueDetails</Role>
      <ShortName>Long-Term Contracted Revenue (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.macquarie.com/role/LongTermContractedRevenueTables</ParentRole>
      <Position>62</Position>
    </Report>
    <Report instance="mic-20200331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R63.htm</HtmlFileName>
      <LongName>2413402 - Disclosure - Related Party Transactions (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.macquarie.com/role/RelatedPartyTransactionsNarrativeDetails</Role>
      <ShortName>Related Party Transactions (Narrative) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.macquarie.com/role/RelatedPartyTransactionsTables</ParentRole>
      <Position>63</Position>
    </Report>
    <Report instance="mic-20200331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R64.htm</HtmlFileName>
      <LongName>2413403 - Disclosure - Related Party Transactions (Schedule of Dividends Paid to Manager) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.macquarie.com/role/RelatedPartyTransactionsScheduleOfDividendsPaidToManagerDetails</Role>
      <ShortName>Related Party Transactions (Schedule of Dividends Paid to Manager) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.macquarie.com/role/RelatedPartyTransactionsTables</ParentRole>
      <Position>64</Position>
    </Report>
    <Report instance="mic-20200331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R65.htm</HtmlFileName>
      <LongName>2413404 - Disclosure - Related Party Transactions (Schedule of Base Management Fees and Performance Fees) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.macquarie.com/role/RelatedPartyTransactionsScheduleOfBaseManagementFeesAndPerformanceFeesDetails</Role>
      <ShortName>Related Party Transactions (Schedule of Base Management Fees and Performance Fees) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.macquarie.com/role/RelatedPartyTransactionsTables</ParentRole>
      <Position>65</Position>
    </Report>
    <Report instance="mic-20200331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R9999.htm</HtmlFileName>
      <LongName>Uncategorized Items - mic-20200331x10q.htm</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://xbrl.sec.gov/role/uncategorizedFacts</Role>
      <ShortName>Uncategorized Items - mic-20200331x10q.htm</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>66</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <LongName>All Reports</LongName>
      <ReportType>Book</ReportType>
      <ShortName>All Reports</ShortName>
    </Report>
  </MyReports>
  <InputFiles>
    <File doctype="10-Q" original="mic-20200331x10q.htm">mic-20200331x10q.htm</File>
    <File>mic-20200331.xsd</File>
    <File>mic-20200331_cal.xml</File>
    <File>mic-20200331_def.xml</File>
    <File>mic-20200331_lab.xml</File>
    <File>mic-20200331_pre.xml</File>
    <File>mic-20200331xex101.htm</File>
    <File>mic-20200331xex311.htm</File>
    <File>mic-20200331xex312.htm</File>
    <File>mic-20200331xex321.htm</File>
    <File>mic-20200331xex322.htm</File>
  </InputFiles>
  <SupplementalFiles/>
  <BaseTaxonomies>
    <BaseTaxonomy>http://xbrl.sec.gov/country/2017-01-31</BaseTaxonomy>
    <BaseTaxonomy>http://fasb.org/srt/2019-01-31</BaseTaxonomy>
    <BaseTaxonomy>http://xbrl.sec.gov/dei/2019-01-31</BaseTaxonomy>
    <BaseTaxonomy>http://fasb.org/us-gaap/2019-01-31</BaseTaxonomy>
  </BaseTaxonomies>
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>true</HasCalculationLinkbase>
</FilingSummary>
