cm:Concept: us-gaap:EquityMethodInvestmentAdditionalInformation
| Equity Method Investment, Additional Information |
| us-gaap:EquityMethodInvestmentAdditionalInformation |
| This serves as a place to record data that is not required by accounting literature but is useful for readers of the financial statements as it relates to the details of an equity method investment in common stock. Such information may include the amount of change for a change in ownership (equity) percentage in a given period and the amount and type of the consideration given or received in relation to the change in ownership. |
| cm:Concept |
| Text/String (xbrli:stringItemType) |
| For Period (duration) |
| (no balance type) |
| false |
| us-gaap:EquityMethodInvestmentAdditionalInformation |