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cm:Member: us-gaap:DefinedBenefitPlanEquitySecuritiesCommonStockEmployerRelatedPartyMember
Standard label: Defined Benefit Plan, Equity Securities, Common Stock, Employer, Related Party [Member]
Name: us-gaap:DefinedBenefitPlanEquitySecuritiesCommonStockEmployerRelatedPartyMember
Documentation: Security representing ownership in corporation or other legal entity, for which ownership is represented by share of common stock of employer; in which defined benefit plan asset is invested. Includes, but is not limited to, common stock issued or managed by related party of employer.
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:DefinedBenefitPlanEquitySecuritiesCommonStockEmployerRelatedPartyMember

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Labels
Label Role Language
Defined Benefit Plan, Equity Securities, Common Stock, Employer, Related Party [Member] http://www.xbrl.org/2003/role/label en-US

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References
Reference Role Topic
FASB Accounting Standards Codification 715 20 50 1 (d)(ii) http://www.xbrl.org/2009/role/commonPracticeRef 715
FASB Accounting Standards Codification 715 20 50 1 (n) http://www.xbrl.org/2009/role/commonPracticeRef 715
FASB Accounting Standards Codification 715 20 55 17 http://www.xbrl.org/2003/role/exampleRef 715