cm:Level3TextBlock: us-gaap:InvestmentCompanyFinancialHighlightsTableTextBlock
| Investment Company, Financial Highlights [Table Text Block] |
| us-gaap:InvestmentCompanyFinancialHighlightsTableTextBlock |
| Tabular disclosure of financial highlights. Includes, but is not limited to, per share information, income and expense ratios, total return, capital commitment and fee waiver. |
| cm:Level3TextBlock |
| Text Block (HTML) (nonnum:textBlockItemType) |
| For Period (duration) |
| (no balance type) |
| false |
| us-gaap:InvestmentCompanyFinancialHighlightsTableTextBlock |