cm:Level2TextBlock: us-gaap:HealthCareOrganizationRevenueRecognizedPolicyPolicyTextBlock
| Health Care Organization, Revenue Recognized Policy [Policy Text Block] |
| us-gaap:HealthCareOrganizationRevenueRecognizedPolicyPolicyTextBlock |
| Disclosure of accounting policy for considering collectibility in the timing and amount of revenues recognized. |
| cm:Level2TextBlock |
| Text Block (HTML) (nonnum:textBlockItemType) |
| For Period (duration) |
| (no balance type) |
| false |
| us-gaap:HealthCareOrganizationRevenueRecognizedPolicyPolicyTextBlock |