cm:Concept: us-gaap:NoncashOrPartNoncashAcquisitionDescription
| Noncash or Part Noncash Acquisition, Description |
| us-gaap:NoncashOrPartNoncashAcquisitionDescription |
| A textual description of the purchase or acquisition through business combination of an asset or business through a noncash (or part noncash) transaction. The description would be expected to include sufficient information to provide an understanding of the nature and purpose of the purchase or business combination, as well as the asset acquired and the noncash consideration given (that is, debt, stock, and so forth). Noncash is defined as transactions 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 |
| Text/String (xbrli:stringItemType) |
| For Period (duration) |
| (no balance type) |
| false |
| us-gaap:NoncashOrPartNoncashAcquisitionDescription |