| Standard label: | Defined Benefit Plan, Other Cost (Credit) |
| Name: | us-gaap:DefinedBenefitPlanOtherCosts |
| Documentation: | Amount of defined benefit plan cost (credit), classified as other. |
| Object type: | cm:Concept |
| Data type: | Monetary (xbrli:monetaryItemType) |
| Period type: | For Period (duration) |
| Balance type: | Debit |
| Abstract: | false |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:DefinedBenefitPlanOtherCosts |
| Label | Role | Language |
| Defined Benefit Plan, Other Cost (Credit) | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| Part Of Roll Up: |
| us-gaap:NetPeriodicDefinedBenefitsExpenseReversalOfExpenseExcludingServiceCostComponent |