cm:Concept: us-gaap:ProceedsFromSaleAndCollectionOfLeaseReceivables
| Proceeds from Sale and Collection of Lease Receivables |
| us-gaap:ProceedsFromSaleAndCollectionOfLeaseReceivables |
| The cash inflow associated with the sale or collection of receivables arising from the lease of real estate, equipment or other fixed assets for a specified time in exchange for payment, usually in the form of rent; excludes proceeds from sales-type lease transactions, which are classified as operating activities. |
| cm:Concept |
| Monetary (xbrli:monetaryItemType) |
| For Period (duration) |
| Debit |
| false |
| us-gaap:ProceedsFromSaleAndCollectionOfLeaseReceivables |