Details for Selection
| Standard label: | Reclamation and Mine Shutdown Provision |
| Name: | us-gaap:ReclamationAndMineShutdownProvision |
| Documentation: | Adjustment of the mine reclamation or mine shutdown liability account that is made when estimates of future costs are changed. |
| Commentary: | |
| Data type: | Monetary (xbrli:monetaryItemType) |
| Period type: | For period (duration) |
| Balance type: | Debit |
| Object class: | [Concept] |