cm:Concept: us-gaap:ImpairedAssetsToBeDisposedOfByMethodOtherThanSaleFactsAndCircumstancesLeadingToImpairment
Impaired Assets to be Disposed of by Method Other than Sale, Facts and Circumstances Leading to Impairment |
us-gaap:ImpairedAssetsToBeDisposedOfByMethodOtherThanSaleFactsAndCircumstancesLeadingToImpairment |
A description of the facts and circumstances leading to the impairment of the long-lived asset to be disposed of by a method other than sale. |
cm:Concept |
Text/String (xbrli:stringItemType) |
For Period (duration) |
(no balance type) |
false |
us-gaap:ImpairedAssetsToBeDisposedOfByMethodOtherThanSaleFactsAndCircumstancesLeadingToImpairment |