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cm:Concept: us-gaap:AssetsDisposedOfByMethodOtherThanSaleInPeriodOfDispositionGainLossOnDisposition1
Standard label: Assets Disposed of by Method Other than Sale, in Period of Disposition, Gain (Loss) on Disposition
Name: us-gaap:AssetsDisposedOfByMethodOtherThanSaleInPeriodOfDispositionGainLossOnDisposition1
Documentation: Amount of gain (loss) from the disposal of an asset through means other than sale, for example, but not limited to, abandonment, spin-off, and expropriation.
Object type: cm:Concept
Data type: Monetary (xbrli:monetaryItemType)
Period type: For Period (duration)
Balance type: Credit
Abstract: false
Workiva Wdesk Taxonomy Analyzer: us-gaap:AssetsDisposedOfByMethodOtherThanSaleInPeriodOfDispositionGainLossOnDisposition1

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Labels
Label Role Language
Assets Disposed of by Method Other than Sale, in Period of Disposition, Gain (Loss) on Disposition http://www.xbrl.org/2003/role/label en-US

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References
Reference Role Topic
FASB Accounting Standards Codification 360 10 40 4 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