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cm:Concept: us-gaap:RedeemableNoncontrollingInterestEquityCommonRedemptionValue
Standard label: Redeemable Noncontrolling Interest, Equity, Common, Redemption Value
Name: us-gaap:RedeemableNoncontrollingInterestEquityCommonRedemptionValue
Documentation: Redemption value, as if currently redeemable, of redeemable noncontrolling interest for common shares, units or ownership interests classified as temporary equity and the election has been made to accrete changes in redemption value to the earliest redemption 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:RedeemableNoncontrollingInterestEquityCommonRedemptionValue

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Labels
Label Role Language
Redeemable Noncontrolling Interest, Equity, Common, Redemption Value http://www.xbrl.org/2003/role/label en-US

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References
Reference Role Topic
FASB Accounting Standards Codification 480 10 S99 3A 24(b) http://fasb.org/us-gaap/role/ref/legacyRef 480

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Roll Up Relations
Part Of Roll Up:
us-gaap:RedeemableNoncontrollingInterestEquityRedemptionValue