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cm:Level3TextBlock: us-gaap:ResultsOfOperationsForOilAndGasProducingActivitiesDisclosureTextBlock
Standard label: Results of Operations for Oil and Gas Producing Activities Disclosure [Table Text Block]
Name: us-gaap:ResultsOfOperationsForOilAndGasProducingActivitiesDisclosureTextBlock
Documentation: Tabular disclosure of the results of operations for oil and gas producing activities for the year.
Object type: cm:Level3TextBlock
Data type: Text Block (HTML) (nonnum:textBlockItemType)
Period type: For Period (duration)
Balance type: (no balance type)
Abstract: false
Workiva Wdesk Taxonomy Analyzer: us-gaap:ResultsOfOperationsForOilAndGasProducingActivitiesDisclosureTextBlock

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Labels
Label Role Language
Results of Operations for Oil and Gas Producing Activities Disclosure [Table Text Block] http://www.xbrl.org/2003/role/label en-US

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References
Reference Role Topic
FASB Accounting Standards Codification 932 235 55 5 http://www.xbrl.org/2003/role/exampleRef 932
FASB Accounting Standards Codification 932 235 50 23 http://www.xbrl.org/2009/role/commonPracticeRef 932