*

cm:Level1TextBlock: us-gaap:InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock
Standard label: Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block]
Name: us-gaap:InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock
Documentation: The entire disclosure for investments in certain debt and equity securities.
Object type: cm:Level1TextBlock
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:InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock
Examples of this text block disclosure: InvestmentsInDebtAndMarketableEquitySecuritiesDisclosures

*

Labels
Label Role Language
Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block] http://www.xbrl.org/2003/role/label en-US

*

References
Reference Role Topic
FASB Accounting Standards Codification 320 http://fasb.org/us-gaap/role/ref/legacyRef 320
FASB Accounting Standards Codification 940 320 http://fasb.org/us-gaap/role/ref/legacyRef 940
FASB Accounting Standards Codification 942 320 http://fasb.org/us-gaap/role/ref/legacyRef 942
FASB Accounting Standards Codification 946 320 http://fasb.org/us-gaap/role/ref/legacyRef 946