cm:Concept: us-gaap:InterestIncomeSecuritiesTaxAdvantaged
Interest Income, Securities, Operating, Tax Advantaged |
us-gaap:InterestIncomeSecuritiesTaxAdvantaged |
Amount of operating interest income, including amortization and accretion of premiums and discounts, on securities subject to tax benefits. Excludes operating interest income on securities exempt from state, federal and other income tax. |
cm:Concept |
Monetary (xbrli:monetaryItemType) |
For Period (duration) |
Credit |
false |
us-gaap:InterestIncomeSecuritiesTaxAdvantaged |