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cm:Concept: us-gaap:ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic
Standard label: Participating Securities, Distributed and Undistributed Earnings (Loss), Basic
Name: us-gaap:ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic
Documentation: Amount of earnings (loss) distributed and earnings (loss) allocated to participating securities for the basic earnings (loss) per share or per unit calculation under the two-class method.
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:ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic

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Labels
Label Role Language
Participating Securities, Distributed and Undistributed Earnings (Loss), Basic http://www.xbrl.org/2003/role/label en-US

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References
Reference Role Topic
FASB Accounting Standards Codification 260 10 45 60B (c) http://fasb.org/us-gaap/role/ref/legacyRef 260