Details for Selection
| Standard label: | Increase (Decrease) in Prepaid Gas Delivery |
| Name: | us-gaap:IncreaseDecreaseInPrepaidGasDelivery |
| Documentation: | The increase (decrease) during the reporting period in the amount of public utility natural gas purchases that have been paid but will not be delivered until beyond one year or one operating cycle. |
| Commentary: | |
| Data type: | Monetary (xbrli:monetaryItemType) |
| Period type: | For period (duration) |
| Balance type: | Credit |
| Object class: | [Concept] |