cm:Concept: us-gaap:PledgedFinancialInstrumentsNotSeparatelyReportedSecuritiesForLetterOfCreditFacilities
Pledged Financial Instruments, Not Separately Reported, Securities for Letter of Credit Facilities |
us-gaap:PledgedFinancialInstrumentsNotSeparatelyReportedSecuritiesForLetterOfCreditFacilities |
The carrying amount as of the date of the latest financial statement presented of securities which are owned but transferred to serve as collateral for letter of credit arrangements, and for which the transferee does not have the right by contract or custom to sell or re-pledge them to an unrelated party. |
cm:Concept |
Monetary (xbrli:monetaryItemType) |
As Of (instant) |
Debit |
false |
us-gaap:PledgedFinancialInstrumentsNotSeparatelyReportedSecuritiesForLetterOfCreditFacilities |