*

cm:Concept: us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis
Standard label: Debt Securities, Available-for-sale, Amortized Cost
Name: us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis
Documentation: Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).
Object type: cm:Concept
Data type: Monetary (xbrli:monetaryItemType)
Period type: As Of (instant)
Balance type: Debit
Abstract: false
Workiva Wdesk Taxonomy Analyzer: us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis

*

Labels
Label Role Language
Debt Securities, Available-for-sale, Amortized Cost http://www.xbrl.org/2003/role/label en-US
Debt Securities, Available-for-sale, Amortized Cost, Total http://www.xbrl.org/2003/role/totalLabel en-US

*

References
Reference Role Topic
FASB Accounting Standards Codification 320 10 50 2 (a) http://www.xbrl.org/2003/role/disclosureRef 320
FASB Accounting Standards Codification 326 30 45 1 http://www.xbrl.org/2003/role/disclosureRef 326