cm:Concept: us-gaap:PartnersCapitalAccountUnitsSoldInPrivatePlacement
| Partners' Capital Account, Units, Sold in Private Placement |
| us-gaap:PartnersCapitalAccountUnitsSoldInPrivatePlacement |
| The number of units sold in a private placement of each class of partners' capital account. Units represent shares of ownership of the general, limited, and preferred partners. |
| cm:Concept |
| Shares (xbrli:sharesItemType) |
| For Period (duration) |
| (no balance type) |
| false |
| us-gaap:PartnersCapitalAccountUnitsSoldInPrivatePlacement |