cm:Concept: us-gaap:CompensatedAbsencesLiabilitySabbaticalLeave
| Compensated Absences Liability, Sabbatical Leave |
| us-gaap:CompensatedAbsencesLiabilitySabbaticalLeave |
| Amount of liability accrued for the employer's obligation related to an employee's right to receive compensation during a future sabbatical leave. This amount does not include amounts accrued for the employee's future vacation and holidays. |
| cm:Concept |
| Monetary (xbrli:monetaryItemType) |
| As Of (instant) |
| Credit |
| false |
| us-gaap:CompensatedAbsencesLiabilitySabbaticalLeave |