Details for Selection
| Standard label: | Brokered Natural Gas Margin Costs |
| Name: | us-gaap:BrokeredNaturalGasMarginCosts |
| Documentation: | Costs incurred in brokering natural gas, a result of buying and selling natural gas in back-to-back transactions, during the reporting period. |
| Commentary: | |
| Data type: | Monetary (xbrli:monetaryItemType) |
| Period type: | For period (duration) |
| Balance type: | Debit |
| Object class: | [Concept] |