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cm:Concept: us-gaap:ExcessTaxBenefitFromShareBasedCompensationFinancingActivities
Standard label: Excess Tax Benefit from Share-based Compensation, Financing Activities
Name: us-gaap:ExcessTaxBenefitFromShareBasedCompensationFinancingActivities
Documentation: Amount of cash inflow from realized tax benefit related to deductible compensation cost reported on the entity's tax return for equity instruments in excess of the compensation cost for those instruments recognized for financial reporting purposes.
Object type: cm:Concept
Data type: Monetary (xbrli:monetaryItemType)
Period type: For Period (duration)
Balance type: Debit
Abstract: false
Workiva Wdesk Taxonomy Analyzer: us-gaap:ExcessTaxBenefitFromShareBasedCompensationFinancingActivities

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Labels
Label Role Language
Excess Tax Benefit from Share-based Compensation, Financing Activities http://www.xbrl.org/2003/role/label en-US

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References
Reference Role Topic
FASB Accounting Standards Codification 718 20 55 24 http://fasb.org/us-gaap/role/ref/legacyRef 718

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