Inventory and Ore on Leach Pads - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Inventory [Line Items]
Inventory Write-down	$ 7,595	$ 0
Rochester [Member]
Inventory [Line Items]
Inventory Write-down	8,600
Rochester [Member] | Amortization
Inventory [Line Items]
Inventory Write-down	1,000
Rochester [Member] | Cost of Sales
Inventory [Line Items]
Inventory Write-down	$ 7,600