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cm:Level2TextBlock: us-gaap:ConsolidationSubsidiaryStockIssuancesPolicy
Standard label: Consolidation, Subsidiary Stock Issuances, Policy [Policy Text Block]
Name: us-gaap:ConsolidationSubsidiaryStockIssuancesPolicy
Documentation: Disclosure of accounting policy for income statement treatment in consolidation for issuances of stock by a subsidiary.
Object type: cm:Level2TextBlock
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:ConsolidationSubsidiaryStockIssuancesPolicy

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Labels
Label Role Language
Consolidation, Subsidiary Stock Issuances, Policy [Policy Text Block] http://www.xbrl.org/2003/role/label en-US

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References
Reference Role Topic
FASB Accounting Standards Codification 235 10 50 3 http://fasb.org/us-gaap/role/ref/legacyRef 235
FASB Accounting Standards Codification 810 10 45 22 (b) http://fasb.org/us-gaap/role/ref/legacyRef 810
FASB Accounting Standards Codification 810 10 45 23 http://fasb.org/us-gaap/role/ref/legacyRef 810