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cm:Concept: us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1
Standard label: Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value
Name: us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1
Documentation: Fair value of options vested. Excludes equity instruments other than options, for example, but not limited to, share units, stock appreciation rights, restricted stock.
Object type: cm:Concept
Data type: Monetary (xbrli:monetaryItemType)
Period type: For Period (duration)
Balance type: Credit
Abstract: false
Workiva Wdesk Taxonomy Analyzer: us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1

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Labels
Label Role Language
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value http://www.xbrl.org/2003/role/label en-US

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References
Reference Role Topic
FASB Accounting Standards Codification 718 10 50 2 (c) http://fasb.org/us-gaap/role/ref/legacyRef 718