Sale of Metals and Related Costs (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended		6 Months Ended
	Apr. 30, 2023	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Sale of Metals and Related Costs
Revenue from Contract with Customer, Excluding Assessed Tax		$ 4,973	$ 5,926	$ 9,190	$ 13,432
Costs Applicable to Sales		$ 3,859	$ 4,639	$ 7,905	$ 8,961
Percentage of provisional payment for gold and silver				95.00%
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%
Gold and Silver in Dore [Member]
Sale of Metals and Related Costs
Revenue from Contract with Customer, Excluding Assessed Tax				$ 7,700
Costs Applicable to Sales				$ 7,700
Term of final payment within shipment date				30 days
Minimum
Sale of Metals and Related Costs
Provisional payment term of gold and silver				10 days
Minimum | Gold and Silver in Dore [Member]
Sale of Metals and Related Costs
Provisional payment term of gold and silver	10 days
Maximum
Sale of Metals and Related Costs
Provisional payment term of gold and silver				12 days
Maximum | Gold and Silver in Dore [Member]
Sale of Metals and Related Costs
Provisional payment term of gold and silver	12 days