cm:Concept: us-gaap:LimitedLiabilityCompanyLLCOrLimitedPartnershipLPOwnershipStructure
| Limited Liability Company (LLC) or Limited Partnership (LP), Ownership Structure |
| us-gaap:LimitedLiabilityCompanyLLCOrLimitedPartnershipLPOwnershipStructure |
| Description of the different classes of member or limited partner interests and the respective rights, preferences, and privileges of each class, and any liability limitations of members or limited partners of the LLC or LP. |
| cm:Concept |
| Text/String (xbrli:stringItemType) |
| For Period (duration) |
| (no balance type) |
| false |
| us-gaap:LimitedLiabilityCompanyLLCOrLimitedPartnershipLPOwnershipStructure |