<?xml version='1.0' encoding='utf-8'?>
<FilingSummary>
  <Version>3.26.1</Version>
  <ProcessingTime/>
  <ReportFormat>html</ReportFormat>
  <ContextCount>15</ContextCount>
  <ElementCount>7</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>false</FootnotesReported>
  <SegmentCount>8</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>1</UnitCount>
  <MyReports>
    <Report instance="d130897ddef14a.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R1.htm</HtmlFileName>
      <LongName>995470 - Disclosure - N-2</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://xbrl.sec.gov/cef/role/N2</Role>
      <ShortName>N-2</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>1</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <LongName>All Reports</LongName>
      <ReportType>Book</ReportType>
      <ShortName>All Reports</ShortName>
    </Report>
  </MyReports>
  <InputFiles>
    <File>cik0001756908-20260512.xsd</File>
    <File doctype="DEF 14A" isProxy="true" isUsgaap="true" original="d130897ddef14a.htm">d130897ddef14a.htm</File>
  </InputFiles>
  <SupplementalFiles>
    <File>g130897g48g48.jpg</File>
    <File>g130897g49g49.jpg</File>
    <File>g130897g50g50.jpg</File>
    <File>g130897g51g51.jpg</File>
    <File>g130897g52g52.jpg</File>
    <File>g130897g53g53.jpg</File>
    <File>g130897g54g54.jpg</File>
    <File>g130897g55g55.jpg</File>
    <File>g130897g56g56.jpg</File>
    <File>g130897g57g57.jpg</File>
    <File>g130897g58g58.jpg</File>
    <File>g130897g59g59.jpg</File>
    <File>g130897g60g60.jpg</File>
    <File>g130897g61g61.jpg</File>
  </SupplementalFiles>
  <BaseTaxonomies>
    <BaseTaxonomy items="15">http://xbrl.sec.gov/cef/2025</BaseTaxonomy>
    <BaseTaxonomy items="16">http://xbrl.sec.gov/dei/2025</BaseTaxonomy>
  </BaseTaxonomies>
  <HasPresentationLinkbase>false</HasPresentationLinkbase>
  <HasCalculationLinkbase>false</HasCalculationLinkbase>
</FilingSummary>
