cm:Concept: us-gaap:LimitedLiabilityCompanyOrLimitedPartnershipManagingMemberOrGeneralPartnerName
| Limited Liability Company or Limited Partnership, Managing Member or General Partner, Name |
| us-gaap:LimitedLiabilityCompanyOrLimitedPartnershipManagingMemberOrGeneralPartnerName |
| Individual, partnership, corporation, or other entity that is responsible for the day-to-day administration of the limited liability company or limited partnership. |
| cm:Concept |
| Text/String (xbrli:stringItemType) |
| For Period (duration) |
| (no balance type) |
| false |
| us-gaap:LimitedLiabilityCompanyOrLimitedPartnershipManagingMemberOrGeneralPartnerName |