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cm:Concept: us-gaap:SharesSubjectToMandatoryRedemptionSettlementTermsFairValueOfShares
Standard label: Financial Instruments Subject to Mandatory Redemption, Settlement Terms, Fair Value of Shares
Name: us-gaap:SharesSubjectToMandatoryRedemptionSettlementTermsFairValueOfShares
Documentation: The fair value of shares that would be issued, determined under the conditions specified in the contract if the settlement were to occur at the reporting date.
Object type: cm:Concept
Data type: Monetary (xbrli:monetaryItemType)
Period type: As Of (instant)
Balance type: Credit
Abstract: false
Workiva Wdesk Taxonomy Analyzer: us-gaap:SharesSubjectToMandatoryRedemptionSettlementTermsFairValueOfShares

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Labels
Label Role Language
Financial Instruments Subject to Mandatory Redemption, Settlement Terms, Fair Value of Shares http://www.xbrl.org/2003/role/label en-US

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References
Reference Role Topic
FASB Accounting Standards Codification 480 10 50 2 (a) http://fasb.org/us-gaap/role/ref/legacyRef 480