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cm:Concept: us-gaap:TangibleAssetImpairmentCharges
Standard label: Tangible Asset Impairment Charges
Name: us-gaap:TangibleAssetImpairmentCharges
Documentation: The charge against earnings resulting from the aggregate write down of tangible assets from their carrying value to their fair value.
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:TangibleAssetImpairmentCharges

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Labels
Label Role Language
Tangible Asset Impairment Charges http://www.xbrl.org/2003/role/label en-US
Tangible Asset Impairment Charges, Total http://www.xbrl.org/2003/role/totalLabel en-US

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References
Reference Role Topic
FASB Accounting Standards Codification 205 20 50 1 (b) http://fasb.org/us-gaap/role/ref/legacyRef 205
FASB Accounting Standards Codification 360 10 50 2 (b) http://fasb.org/us-gaap/role/ref/legacyRef 360

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