Details for Selection
| Standard label: | Fuel Costs |
| Name: | us-gaap:FuelCosts |
| Documentation: | Fuel costs incurred that are directly related to goods produced and sold and services rendered during the reporting period. |
| Commentary: | |
| Data type: | Monetary (xbrli:monetaryItemType) |
| Period type: | For period (duration) |
| Balance type: | Debit |
| Object class: | [Concept] |