cm:Concept: us-gaap:NoncashOrPartNoncashAcquisitionNoncashFinancialOrEquityInstrumentConsiderationRate
| Noncash or Part Noncash Acquisition, Noncash Financial or Equity Instrument Consideration, Rate |
| us-gaap:NoncashOrPartNoncashAcquisitionNoncashFinancialOrEquityInstrumentConsiderationRate |
| Dividend or interest rate associated with the financial or equity instrument issued as noncash or part noncash consideration for a business or asset acquired. Noncash are transactions that affect recognized assets or liabilities but that do not result in cash receipts or cash payments. Part noncash refers to that portion of the transaction not resulting in cash receipts or cash payments. |
| cm:Concept |
| Percent (num:percentItemType) |
| For Period (duration) |
| (no balance type) |
| false |
| us-gaap:NoncashOrPartNoncashAcquisitionNoncashFinancialOrEquityInstrumentConsiderationRate |