cm:Concept: us-gaap:DefinedBenefitPlanSignificantTransactionsBetweenEmployerOrRelatedPartiesAndPlanDuringYear
Defined Benefit Plan, Related Party Transaction, Description |
us-gaap:DefinedBenefitPlanSignificantTransactionsBetweenEmployerOrRelatedPartiesAndPlanDuringYear |
Description of transaction between employer, or its related parties, and defined benefit plan. |
cm:Concept |
Text/String (xbrli:stringItemType) |
For Period (duration) |
(no balance type) |
false |
us-gaap:DefinedBenefitPlanSignificantTransactionsBetweenEmployerOrRelatedPartiesAndPlanDuringYear |