cm:Concept: us-gaap:InvestmentCompanyInvestmentOwnedInvestmentObjective
| Investment Company, Investment Owned, Investment Objective |
| us-gaap:InvestmentCompanyInvestmentOwnedInvestmentObjective |
| Description of investment objective of investment in another nonregistered investment partnership in which fair value constitutes more than five percent of net assets. |
| cm:Concept |
| Text/String (xbrli:stringItemType) |
| For Period (duration) |
| (no balance type) |
| false |
| us-gaap:InvestmentCompanyInvestmentOwnedInvestmentObjective |