<?xml version='1.0' encoding='utf-8'?>
<FilingSummary>
  <Version>3.23.2</Version>
  <ProcessingTime/>
  <ReportFormat>html</ReportFormat>
  <ContextCount>25</ContextCount>
  <ElementCount>42</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>false</FootnotesReported>
  <SegmentCount>4</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>3</UnitCount>
  <MyReports>
    <Report instance="scm-20220829x424b2.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R1.htm</HtmlFileName>
      <LongName>00090 - Document - Document and Entity Information</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://StellaUSCapital/role/DocumentDocumentAndEntityInformation</Role>
      <ShortName>Document and Entity Information</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>1</Position>
    </Report>
    <Report instance="scm-20220829x424b2.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R2.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>Notes</MenuCategory>
      <Position>2</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <LongName>All Reports</LongName>
      <ReportType>Book</ReportType>
      <ShortName>All Reports</ShortName>
    </Report>
  </MyReports>
  <Logs>
    <Log type="Warning">[dq-0542-Deprecated-Concept] Concept LatestSharePrice in cef/2022 used in 2 facts was deprecated in cef/2023 as of 2023-01-31 and should not be used. scm-20220829x424b2.htm 9, 26</Log>
    <Log type="Warning">[dq-0542-Deprecated-Concept] Concept LatestNav in cef/2022 used in 2 facts was deprecated in cef/2023 as of 2023-01-31 and should not be used. scm-20220829x424b2.htm 9, 26</Log>
    <Log type="Warning">[dq-0542-Deprecated-Concept] Concept SecurityAxis in cef/2022 used in 12 facts was deprecated in cef/2023 as of 2023-01-31 and should not be used. scm-20220829x424b2.htm 90, 91, 96, 97, 99</Log>
  </Logs>
  <InputFiles>
    <File doctype="424B2" original="scm-20220829x424b2.htm">scm-20220829x424b2.htm</File>
    <File>scm-20220829.xsd</File>
    <File>scm-20220829_def.xml</File>
    <File>scm-20220829_lab.xml</File>
    <File>scm-20220829_pre.xml</File>
  </InputFiles>
  <SupplementalFiles/>
  <BaseTaxonomies>
    <BaseTaxonomy items="101">http://xbrl.sec.gov/cef/2022</BaseTaxonomy>
    <BaseTaxonomy items="4">http://xbrl.sec.gov/dei/2022</BaseTaxonomy>
  </BaseTaxonomies>
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>false</HasCalculationLinkbase>
</FilingSummary>
