cm:Concept: us-gaap:HeldtomaturitySecuritiesDebtMaturitiesNextRollingTwelveMonthsAmortizedCost
Debt Securities, Held-to-maturity, Maturity, Allocated and Single Maturity Date, Rolling within One Year, Amortized Cost |
us-gaap:HeldtomaturitySecuritiesDebtMaturitiesNextRollingTwelveMonthsAmortizedCost |
Amount of investment in debt security measured at amortized cost (held-to-maturity), with single maturity date and allocated without single maturity date, maturing in next rolling fiscal year following latest fiscal year. For interim and annual periods when interim period is reported on rolling approach, from latest statement of financial position date. |
cm:Concept |
Monetary (xbrli:monetaryItemType) |
As Of (instant) |
Debit |
false |
us-gaap:HeldtomaturitySecuritiesDebtMaturitiesNextRollingTwelveMonthsAmortizedCost |