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cm:Member: us-gaap:FairValueConcentrationOfRiskMarketRiskManagementAdditionalDetailsMember
Standard label: Fair Value, Concentration of Risk, Market Risk Management, Additional Details [Member]
Name: us-gaap:FairValueConcentrationOfRiskMarketRiskManagementAdditionalDetailsMember
Documentation: This item represents the encouraged disclosure providing more details about the current positions and perhaps activity during the period concerning market risks of affecting the financial instrument (as defined) in a manner that is consistent with the way the Company manages or adjusts for those risks.
Object type: cm:Member
Data type: [Member] (nonnum:domainItemType)
Period type: For Period (duration)
Balance type: (no balance type)
Abstract: true
Workiva Wdesk Taxonomy Analyzer: us-gaap:FairValueConcentrationOfRiskMarketRiskManagementAdditionalDetailsMember

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Labels
Label Role Language
Fair Value, Concentration of Risk, Market Risk Management, Additional Details [Member] http://www.xbrl.org/2003/role/label en-US

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References
Reference Role Topic
FASB Accounting Standards Codification 825 10 50 23 (a) http://fasb.org/us-gaap/role/ref/legacyRef 825