cm:Concept: us-gaap:NetCashProvidedByUsedInFinancingActivitiesContinuingOperations
| Net Cash Provided by (Used in) Financing Activities, Continuing Operations |
| us-gaap:NetCashProvidedByUsedInFinancingActivitiesContinuingOperations |
| Amount of cash inflow (outflow) of financing activities, excluding discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit. |
| cm:Concept |
| Monetary (xbrli:monetaryItemType) |
| For Period (duration) |
| Debit |
| false |
| us-gaap:NetCashProvidedByUsedInFinancingActivitiesContinuingOperations |