cm:Concept: us-gaap:CapitalLeasesFutureMinimumPaymentsReceivableDueThereafter
| Capital Leases, Future Minimum Payments, Receivable Thereafter |
| us-gaap:CapitalLeasesFutureMinimumPaymentsReceivableDueThereafter |
| Amount of minimum lease payments to be received by the lessor for capital leases after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. |
| cm:Concept |
| Monetary (xbrli:monetaryItemType) |
| As Of (instant) |
| Debit |
| false |
| us-gaap:CapitalLeasesFutureMinimumPaymentsReceivableDueThereafter |