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Inventory and Ore on Leach Pads (Details) - USD ($)
$ in Thousands
Mar. 31, 2024
Dec. 31, 2023
Inventory Disclosure [Abstract]    
Inventory, Finished Goods, Net of Reserves $ 4,238 $ 3,606
Other Inventory, Net of Reserves 19,415 20,395
Inventory, Supplies, Net of Reserves 54,577 52,660
Inventory 78,230 76,661
Ore on Leach Pad, Current 83,454 79,400
Ore on leach pads, noncurrent 43,073 25,987
Inventory, Ore Stockpiles on Leach Pads, Gross 126,527 105,387
Inventory and Ore on Leach Pads 246,431 228,750
Long-Term Inventory Stockpile $ 41,674 $ 46,702