| Standard label: | Inventory, Ore Stockpiles on Leach Pads, Gross |
| Name: | us-gaap:InventoryOreStockpilesOnLeachPads |
| Documentation: | Amount before last-in first-out (LIFO) and valuation reserves of ore stockpile material contained on a leach pad, for example, but not limited to, copper or gold ore. |
| Object type: | cm:Concept |
| Data type: | Monetary (xbrli:monetaryItemType) |
| Period type: | As Of (instant) |
| Balance type: | Debit |
| Abstract: | false |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:InventoryOreStockpilesOnLeachPads |
| Label | Role | Language |
| Inventory, Ore Stockpiles on Leach Pads, Gross | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| Part Of Roll Up: |
| us-gaap:InventoryWorkInProcessAndRawMaterials |