Summary of Significant Accounting Policies (Details) - USD ($)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Sep. 30, 2022	Jun. 30, 2022	Dec. 31, 2019	Oct. 02, 2014
Business Acquisition [Line Items]
Inventory Write-down	$ 45,978,000	$ 38,596,000	$ 16,821,000
Rochester [Member]
Business Acquisition [Line Items]
Inventory Write-down	52,500,000
Rochester [Member] | Cost of Sales
Business Acquisition [Line Items]
Inventory Write-down	46,000,000
Palmarejo gold production royalty
Business Acquisition [Line Items]
Aggregate deposit to be received							$ 22,000,000
Production to be sold, percent							50.00%
Price per ounce under agreement							$ 800
Kensington
Business Acquisition [Line Items]
Revenue liability	$ 25,016,000	15,016,000	$ 15,003,000			$ 15,009,000
Kensington | December 2020 Prepayment [Member]
Business Acquisition [Line Items]
Revenue liability		$ 15,000,000		$ 15,000,000	$ 15,000,000