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cm:Concept: us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsForfeitures
Standard label: Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Forfeitures
Name: us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsForfeitures
Documentation: Number of shares under non-option equity instrument agreements that were cancelled as a result of occurrence of a terminating event.
Object type: cm:Concept
Data type: Shares (xbrli:sharesItemType)
Period type: For Period (duration)
Balance type: (no balance type)
Abstract: false
Workiva Wdesk Taxonomy Analyzer: us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsForfeitures

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Labels
Label Role Language
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Forfeitures 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)(1)(iv)(3) http://fasb.org/us-gaap/role/ref/legacyRef 718

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