cm:Concept: us-gaap:ReceivableFromShareholdersOrAffiliatesForIssuanceOfCapitalStock
| Receivable from Shareholders or Affiliates for Issuance of Capital Stock |
| us-gaap:ReceivableFromShareholdersOrAffiliatesForIssuanceOfCapitalStock |
| Amount due from owner or affiliate of reporting entity for issuance of shares. Includes, but is not limited to, amount due for award under share-based payment arrangement. Excludes amount due from officer or director. |
| cm:Concept |
| Monetary (xbrli:monetaryItemType) |
| As Of (instant) |
| Debit |
| false |
| us-gaap:ReceivableFromShareholdersOrAffiliatesForIssuanceOfCapitalStock |