Sale of Metals and Related Costs (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	$ 5,268	$ 8,479	$ 18,700	$ 16,118
Costs Applicable to Sales	$ 4,374	$ 4,292	$ 13,335	$ 9,156
Percentage of provisional payment for gold and silver			95.00%
Term of final payment within shipment date			30 days
Minimum [Member]
Disaggregation of Revenue [Line Items]
Provisional payment term of gold and silver			10 days
Maximum [Member]
Disaggregation of Revenue [Line Items]
Provisional payment term of gold and silver			12 days