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cm:Concept: us-gaap:GainLossOnSaleOfDebtInvestments
Standard label: Gain (Loss) on Sale of Debt Investments
Name: us-gaap:GainLossOnSaleOfDebtInvestments
Documentation: The difference between the carrying value and the sale price of debt securities, not separately or otherwise categorized as trading, available-for-sale, or held-to-maturity. This element refers to the gain (loss) included in earnings and not to the cash proceeds of the sale.
Object type: cm:Concept
Data type: Monetary (xbrli:monetaryItemType)
Period type: For Period (duration)
Balance type: Credit
Abstract: false
Workiva Wdesk Taxonomy Analyzer: us-gaap:GainLossOnSaleOfDebtInvestments

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Labels
Label Role Language
Gain (Loss) on Sale of Debt Investments http://www.xbrl.org/2003/role/label en-US

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References
Reference Role Topic
FASB Accounting Standards Codification 230 10 45 28 (b) http://fasb.org/us-gaap/role/ref/legacyRef 230