cm:Concept: us-gaap:UnitsOfPartnershipInterestDescription
| Units of Partnership Interest, Description |
| us-gaap:UnitsOfPartnershipInterestDescription |
| Description of the ownership interests of the partnership which are represented by units. There may be different classes of units which have different preferences and conversion rights to stock or cash. Also includes a discussion of each class of members' interests and respective rights, preferences and privileges. |
| cm:Concept |
| Text/String (xbrli:stringItemType) |
| For Period (duration) |
| (no balance type) |
| false |
| us-gaap:UnitsOfPartnershipInterestDescription |