cm:Concept: us-gaap:ImpairedLongLivedAssetsHeldAndUsedFactsAndCircumstancesLeadingToImpairment
Impaired Long-Lived Assets Held and Used, Facts and Circumstances Leading to Impairment |
us-gaap:ImpairedLongLivedAssetsHeldAndUsedFactsAndCircumstancesLeadingToImpairment |
A description of the facts and circumstances leading to the impairment of the long-lived asset held and used. |
cm:Concept |
Text/String (xbrli:stringItemType) |
For Period (duration) |
(no balance type) |
false |
us-gaap:ImpairedLongLivedAssetsHeldAndUsedFactsAndCircumstancesLeadingToImpairment |