Details for Selection
| Standard label: | Gas Purchase Contract, Noncurrent |
| Name: | us-gaap:GasPurchaseContractNet |
| Documentation: | Carrying value of the discounted future value of a contract to purchase gas at favorable prices that is expected to be realized after one year (or beyond the operating cycle if longer). |
| Commentary: | |
| Data type: | Monetary (xbrli:monetaryItemType) |
| Period type: | As of (instant) |
| Balance type: | Debit |
| Object class: | [Concept] |