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cm:Axis: us-gaap:StatementClassOfStockAxis
Standard label: Class of Stock [Axis]
Name: us-gaap:StatementClassOfStockAxis
Documentation: Information by the different classes of stock of the entity.
Object type: cm:Axis
Data type: Text/String (xbrli:stringItemType)
Period type: For Period (duration)
Balance type: (no balance type)
Abstract: true
Workiva Wdesk Taxonomy Analyzer: us-gaap:StatementClassOfStockAxis

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Labels
Label Role Language
Class of Stock [Axis] 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(27)) http://fasb.org/us-gaap/role/ref/legacyRef 210
FASB Accounting Standards Codification 210 10 S99 1 (SX 210.5-02(28)) http://fasb.org/us-gaap/role/ref/legacyRef 210
FASB Accounting Standards Codification 210 10 S99 1 (SX 210.5-02(29)) http://fasb.org/us-gaap/role/ref/legacyRef 210
FASB Accounting Standards Codification 505 10 50 2 http://fasb.org/us-gaap/role/ref/legacyRef 505