cm:Concept: us-gaap:DebtSecuritiesHeldToMaturityOriginatedTwoYearsBeforeLatestFiscalYear
Debt Securities, Held-to-maturity, Originated Two Years before Latest Fiscal Year |
us-gaap:DebtSecuritiesHeldToMaturityOriginatedTwoYearsBeforeLatestFiscalYear |
Amount of investment in debt security measured at amortized cost (held-to-maturity), originated two years prior to latest fiscal year. |
cm:Concept |
Monetary (xbrli:monetaryItemType) |
As Of (instant) |
Debit |
false |
us-gaap:DebtSecuritiesHeldToMaturityOriginatedTwoYearsBeforeLatestFiscalYear |