cm:Level2TextBlock: us-gaap:CompensatedAbsencesPolicy
| Compensated Absences Policy [Policy Text Block] |
| us-gaap:CompensatedAbsencesPolicy |
| Disclosure of accounting policy for compensated absences. The accounting policy may include a description of the employers programs and practices associated with compensated absences, accounting policies for compensated absences, and amount of any liability for compensated absences. |
| cm:Level2TextBlock |
| Text Block (HTML) (nonnum:textBlockItemType) |
| For Period (duration) |
| (no balance type) |
| false |
| us-gaap:CompensatedAbsencesPolicy |