cm:Concept: us-gaap:InvestmentOwnedBalanceOtherMeasure
| Investment Owned, Balance, Other Measure |
| us-gaap:InvestmentOwnedBalanceOtherMeasure |
| Quantity of the investment. Indicate the measure in the unit of measure. This is commonly used for investments other than securities. For example, if the investment is gold, the balance would be the number of ounces and the unit of measure would indicate "ounces". |
| cm:Concept |
| num:massItemType |
| As Of (instant) |
| (no balance type) |
| false |
| us-gaap:InvestmentOwnedBalanceOtherMeasure |