Inventory and Ore on Leach Pads (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Inventory Disclosure [Abstract]
Inventory, Finished Goods, Net of Reserves	$ 3,688	$ 1,643
Other Inventory, Net of Reserves	13,164	11,353
Inventory, Supplies, Net of Reserves	42,553	38,285
Inventory	59,405	51,281
Ore on Leach Pad, Current	83,647	81,128
Ore on leach pads, noncurrent	58,221	73,495
Inventory, Ore Stockpiles on Leach Pads, Gross	141,868	154,623
Inventory and Ore on Leach Pads	225,228	223,931
Long-Term Inventory Stockpile	$ 23,955	$ 18,027