Summary of Significant Accounting Policies (Details) - USD ($)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Jan. 01, 2024	Jan. 01, 2023	Jan. 01, 2022	Oct. 02, 2014
Business Acquisition [Line Items]
Drilling and Related Costs Capitalized	$ 16,800,000	$ 10,000,000
Certificates of Deposit, at Carrying Value	8,500,000	9,100,000
Inventory Write-down	3,235,000	40,247,000	$ 45,978,000
Certificates of Deposit, at Carrying Value	8,500,000	9,100,000
Rochester
Business Acquisition [Line Items]
Inventory Write-down	4,000,000
Rochester | Cost of Sales
Business Acquisition [Line Items]
Inventory Write-down	$ 3,200,000
Palmarejo gold production royalty
Business Acquisition [Line Items]
Aggregate deposit to be received							$ 22,000,000.0
Production to be sold, percent							50.00%
Price per ounce under agreement							$ 800
Building and Building Improvements | Minimum
Business Acquisition [Line Items]
Property, Plant and Equipment, Useful Life	7 years
Building and Building Improvements | Maximum
Business Acquisition [Line Items]
Property, Plant and Equipment, Useful Life	30 years
Machinery and Equipment | Minimum
Business Acquisition [Line Items]
Property, Plant and Equipment, Useful Life	3 years
Machinery and Equipment | Maximum
Business Acquisition [Line Items]
Property, Plant and Equipment, Useful Life	10 years
Kensington
Business Acquisition [Line Items]
Revenue liability	$ 42,164,000	$ 55,082,000	$ 25,016,000	$ 55,082,000	$ 25,016,000	$ 15,016,000