*

cm:Axis: us-gaap:ReportingUnitAxis
Standard label: Reporting Unit [Axis]
Name: us-gaap:ReportingUnitAxis
Documentation: Information by reporting unit.
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:ReportingUnitAxis

*

Labels
Label Role Language
Reporting Unit [Axis] http://www.xbrl.org/2003/role/label en-US

*

References
Reference Role Topic
FASB Accounting Standards Codification 350 20 50 1A http://www.xbrl.org/2003/role/disclosureRef 350
FASB Accounting Standards Codification 350 20 50 2 (b) http://www.xbrl.org/2003/role/disclosureRef 350