| Standard label: | Defined Benefit Plan, Plan Assets, Measurement Input [Extensible List] |
| Name: | us-gaap:DefinedBenefitPlanPlanAssetsMeasurementInputExtensibleList |
| Documentation: | Indicates measurement input for fair value of defined benefit plan asset. |
| Object type: | cm:Concept |
| Data type: | srt-types:extensibleListItemType |
| Period type: | As Of (instant) |
| Balance type: | (no balance type) |
| Abstract: | false |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:DefinedBenefitPlanPlanAssetsMeasurementInputExtensibleList |
| Label | Role | Language |
| Defined Benefit Plan, Plan Assets, Measurement Input [Extensible List] | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 715 20 50 1 (d)(iv) | http://www.xbrl.org/2003/role/disclosureRef | 715 |
| FASB Accounting Standards Codification 715 20 50 1 (d)(iv)(03) | http://www.xbrl.org/2003/role/disclosureRef | 715 |