cm:Concept: us-gaap:SupplementalUnemploymentBenefitsSalaryContinuation
| Supplemental Unemployment Benefits, Salary Continuation |
| us-gaap:SupplementalUnemploymentBenefitsSalaryContinuation |
| Liability for agreement to continue an employee's salary after termination of employment (but before retirement) including death, disability, or other event. For example, a company may agree to continue a disabled employee's salary for six months. |
| cm:Concept |
| Monetary (xbrli:monetaryItemType) |
| As Of (instant) |
| Credit |
| false |
| us-gaap:SupplementalUnemploymentBenefitsSalaryContinuation |