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cm:LineItems: us-gaap:FairValueMeasuredOnRecurringBasisGainLossIncludedInEarningsAbstract
Standard label: Fair Value, Measured on Recurring Basis, Gain (Loss) Included in Earnings [Line Items]
Name: us-gaap:FairValueMeasuredOnRecurringBasisGainLossIncludedInEarningsAbstract
Documentation: Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.
Object type: cm:LineItems
Data type: Text/String (xbrli:stringItemType)
Period type: For Period (duration)
Balance type: (no balance type)
Abstract: true
Workiva Wdesk Taxonomy Analyzer: us-gaap:FairValueMeasuredOnRecurringBasisGainLossIncludedInEarningsAbstract

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Labels
Label Role Language
Fair Value, Measured on Recurring Basis, Gain (Loss) Included in Earnings [Line Items] http://www.xbrl.org/2003/role/label en-US

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References
Reference Role Topic