cm:Concept: us-gaap:CapitalLeasesNetInvestmentInSalesTypeLeasesMinimumPaymentsToBeReceived
| Capital Leases, Net Investment in Sales Type Leases, Minimum Payments to be Received |
| us-gaap:CapitalLeasesNetInvestmentInSalesTypeLeasesMinimumPaymentsToBeReceived |
| Amount of remaining payments as of the balance sheet date that lessees are obligated to make or can be required to make under sales-type leases, including any guarantee of residual value and executory costs. The amount also includes any guaranteed rental payments by an unrelated third-party provided that are financially capable of making such payments. |
| cm:Concept |
| Monetary (xbrli:monetaryItemType) |
| As Of (instant) |
| Debit |
| false |
| us-gaap:CapitalLeasesNetInvestmentInSalesTypeLeasesMinimumPaymentsToBeReceived |