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cm:Axis: us-gaap:ImpairedAssetsToBeDisposedOfByMethodOtherThanSaleByTypeAxis
Standard label: Impaired Assets to be Disposed of by Method Other than Sale by Type [Axis]
Name: us-gaap:ImpairedAssetsToBeDisposedOfByMethodOtherThanSaleByTypeAxis
Documentation: This element represents the categories used to group impaired assets to be disposed of by a method other than sale into groups of similar types of assets.
Object type: cm:Axis
Data type: Text/String (xbrli:stringItemType)
Period type: For Period (duration)
Balance type: (no balance type)
Abstract: true
Workiva Wdesk Taxonomy Analyzer: us-gaap:ImpairedAssetsToBeDisposedOfByMethodOtherThanSaleByTypeAxis

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Labels
Label Role Language
Impaired Assets to be Disposed of by Method Other than Sale by Type [Axis] http://www.xbrl.org/2003/role/label en-US

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References
Reference Role Topic
FASB Accounting Standards Codification 360 10 50 2 http://fasb.org/us-gaap/role/ref/legacyRef 360
FASB Accounting Standards Codification 360 10 45 15 http://fasb.org/us-gaap/role/ref/legacyRef 360