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cm:Concept: us-gaap:InterestAndDividendIncomeOperating
Standard label: Interest and Dividend Income, Operating
Name: us-gaap:InterestAndDividendIncomeOperating
Documentation: Represents the total of interest and dividend income, including any amortization and accretion (as applicable) of discounts and premiums, earned from (1) loans and leases whether held-for-sale or held-in-portfolio; (2) investment securities; (3) federal funds sold; (4) securities purchased under agreements to resell; (5) investments in banker's acceptances, commercial paper, or certificates of deposit; (6) dividend income; or (7) other investments not otherwise specified herein.
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:InterestAndDividendIncomeOperating

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Labels
Label Role Language
Interest and Dividend Income, Operating http://www.xbrl.org/2003/role/label en-US
Interest and Dividend Income, Operating, Total http://www.xbrl.org/2003/role/totalLabel en-US

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References
Reference Role Topic
FASB Accounting Standards Codification 942 220 S99 1 (SX 210.9-04.1-5) http://fasb.org/us-gaap/role/ref/legacyRef 942