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cm:Concept: us-gaap:GainLossOnPriceRiskDerivativesNet
Standard label: Gain (Loss) on Price Risk Derivatives, Net
Name: us-gaap:GainLossOnPriceRiskDerivativesNet
Documentation: The aggregate net gain (loss) on price risk derivatives included in earnings in the period.
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:GainLossOnPriceRiskDerivativesNet

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Labels
Label Role Language
Gain (Loss) on Price Risk Derivatives, Net http://www.xbrl.org/2003/role/label en-US

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References
Reference Role Topic
FASB Accounting Standards Codification 815 10 50 4A (b) http://fasb.org/us-gaap/role/ref/legacyRef 815
FASB Accounting Standards Codification 815 10 50 4C http://fasb.org/us-gaap/role/ref/legacyRef 815