cm:Concept: us-gaap:NoncashOrPartNoncashAcquisitionValueOfAssetsAcquired1
| Noncash or Part Noncash Acquisition, Value of Assets Acquired |
| us-gaap:NoncashOrPartNoncashAcquisitionValueOfAssetsAcquired1 |
| The value of an asset or business acquired in a noncash (or part noncash) acquisition. Noncash is defined as information about all investing and financing activities of an enterprise during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period. |
| cm:Concept |
| Monetary (xbrli:monetaryItemType) |
| For Period (duration) |
| Debit |
| false |
| us-gaap:NoncashOrPartNoncashAcquisitionValueOfAssetsAcquired1 |