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cm:Concept: us-gaap:ImpairedAssetsToBeDisposedOfByMethodOtherThanSaleAmountOfImpairmentLoss
Standard label: Impaired Assets to be Disposed of by Method Other than Sale, Amount of Impairment Loss
Name: us-gaap:ImpairedAssetsToBeDisposedOfByMethodOtherThanSaleAmountOfImpairmentLoss
Documentation: Loss recognized as a result of the initial and subsequent write-down of a long-lived asset's carrying amount to 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:ImpairedAssetsToBeDisposedOfByMethodOtherThanSaleAmountOfImpairmentLoss

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Labels
Label Role Language
Impaired Assets to be Disposed of by Method Other than Sale, Amount of Impairment Loss 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 (b) http://fasb.org/us-gaap/role/ref/legacyRef 360