cm:Concept: us-gaap:ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities
Proceeds from Maturities, Prepayments and Calls of Held-to-maturity Securities |
us-gaap:ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities |
The cash inflow associated with the maturity, prepayments and calls (requests for early payments) of debt securities designated as held-to-maturity. |
cm:Concept |
Monetary (xbrli:monetaryItemType) |
For Period (duration) |
Debit |
false |
us-gaap:ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities |