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cm:Concept: us-gaap:TreasuryStockCommonShares
Standard label: Treasury Stock, Common, Shares
Name: us-gaap:TreasuryStockCommonShares
Documentation: Number of previously issued common shares repurchased by the issuing entity and held in treasury.
Object type: cm:Concept
Data type: Shares (xbrli:sharesItemType)
Period type: As Of (instant)
Balance type: (no balance type)
Abstract: false
Workiva Wdesk Taxonomy Analyzer: us-gaap:TreasuryStockCommonShares

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Labels
Label Role Language
Treasury Stock, Common, Shares http://www.xbrl.org/2003/role/label en-US

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References
Reference Role Topic
FASB Accounting Standards Codification 210 10 S99 1 (SX 210.5-02.30) http://fasb.org/us-gaap/role/ref/legacyRef 210
FASB Accounting Standards Codification 505 30 45 1 http://fasb.org/us-gaap/role/ref/legacyRef 505