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cm:Level1TextBlock: us-gaap:SummaryOfInvestmentHoldingsScheduleOfInvestmentsTextBlock
Standard label: Summary of Investment Holdings, Schedule of Investments [Text Block]
Name: us-gaap:SummaryOfInvestmentHoldingsScheduleOfInvestmentsTextBlock
Documentation: The entire disclosure for the information required in the supplementary schedule applicable to management investment companies summarizing the listing of holdings of unaffiliated investments.
Object type: cm:Level1TextBlock
Data type: Text Block (HTML) (nonnum:textBlockItemType)
Period type: For Period (duration)
Balance type: (no balance type)
Abstract: false
Workiva Wdesk Taxonomy Analyzer: us-gaap:SummaryOfInvestmentHoldingsScheduleOfInvestmentsTextBlock

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Labels
Label Role Language
Summary of Investment Holdings, Schedule of Investments [Text Block] http://www.xbrl.org/2003/role/label en-US

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References
Reference Role Topic
FASB Accounting Standards Codification 946 320 S99 4 (SX 210.12-12C) http://fasb.org/us-gaap/role/ref/legacyRef 946