cm:Concept: us-gaap:SupplementalUnemploymentBenefitsSeveranceBenefits
| Supplemental Unemployment Benefits, Severance Benefits |
| us-gaap:SupplementalUnemploymentBenefitsSeveranceBenefits |
| Liability for amount due employees, in addition to wages and any other money that employers owe employees, when their employment ends through a layoff or other termination. For example, a company may provide involuntarily terminated employees with a lump sum payment equal to one week's salary for every year of employment. |
| cm:Concept |
| Monetary (xbrli:monetaryItemType) |
| As Of (instant) |
| Credit |
| false |
| us-gaap:SupplementalUnemploymentBenefitsSeveranceBenefits |