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 |