cm:Concept: us-gaap:MultipleEmployerPlanAccountedForAsMultiemployerPlanContributionByParticipatingEntity
Multiple-Employer Plan Accounted for as Multiemployer Plan, Contribution by Participating Entity |
us-gaap:MultipleEmployerPlanAccountedForAsMultiemployerPlanContributionByParticipatingEntity |
Amount of contributions made by entity participating in defined benefit plan, defined as multiple-employer plan but accounted for as multiemployer plan. |
cm:Concept |
Monetary (xbrli:monetaryItemType) |
For Period (duration) |
Credit |
false |
us-gaap:MultipleEmployerPlanAccountedForAsMultiemployerPlanContributionByParticipatingEntity |