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cm:Concept: us-gaap:DebtSecuritiesTradingAndAvailableForSale
Standard label: Debt Securities, Trading and Available-for-sale
Name: us-gaap:DebtSecuritiesTradingAndAvailableForSale
Documentation: Amount of investment in debt security measured at fair value with change in fair value recognized in net income (trading) and 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:DebtSecuritiesTradingAndAvailableForSale

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

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