Details for Selection
| Standard label: | Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |
| Name: | us-gaap:DefinedBenefitPlanChangeInFairValueOfPlanAssetsRollForward |
| Documentation: | A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. |
| Commentary: | |
| Data type: | Text/String (xbrli:stringItemType) |
| Period type: | For period (duration) |
| Balance type: | |
| Object class: | [Roll Forward] |