Sale of Metals and Related Costs - Revenue from Concentrate Sales and Slag Sales (Details) $ in Thousands	1 Months Ended	12 Months Ended
	Apr. 30, 2023 item	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)
Sale of Metals and Related Costs
Revenue from Contract with Customer, Excluding Assessed Tax		$ 12,002	$ 23,285
Costs Applicable to Sales		12,358	17,538
Concentrate Sales
Sale of Metals and Related Costs
Revenue from Contract with Customer, Excluding Assessed Tax			0
Concentrates containing various amounts of gold, silver, lead and zinc produced
Sale of Metals and Related Costs
Number of different type of concentrates, the entity sell | item	3
Revenue from Contract with Customer, Excluding Assessed Tax		1,400
Costs Applicable to Sales		$ 300
Percentage of provisional payment for gold and silver		90.00%
Term of final payment within shipment date		60 days
Term after delivery of concentrate to the buyer to determine price of gold and silver		1 month
Concentrates containing various amounts of gold, silver, lead and zinc produced | Minimum
Sale of Metals and Related Costs
Provisional payment term of gold and silver		10 days
Concentrates containing various amounts of gold, silver, lead and zinc produced | Maximum
Sale of Metals and Related Costs
Provisional payment term of gold and silver		12 days
Slag Sales
Sale of Metals and Related Costs
Revenue from Contract with Customer, Excluding Assessed Tax		$ 800	$ 0
Gold and silver contained in the slag
Sale of Metals and Related Costs
Term of final payment within shipment date		30 days
Gold
Sale of Metals and Related Costs
Percentage of provisional payment for gold and silver		95.00%
Silver
Sale of Metals and Related Costs
Percentage of provisional payment for gold and silver		90.00%