Assets Held For Sale (Details) - USD ($) $ in Thousands		1 Months Ended					3 Months Ended		9 Months Ended
	Sep. 30, 2022	Oct. 31, 2022	Sep. 30, 2022	Aug. 31, 2022	Jun. 30, 2022	Feb. 28, 2022	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from assets held for sale - Note 7									$ 1,375	$ 0
Commissions expense							$ 936	$ 0	936	$ 0
Assets held for sale	$ 10,183		$ 10,183				$ 10,183		$ 10,183		$ 11,558
Regrind Mill
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from assets held for sale - Note 7						$ 1,300
Mine equipment
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from assets held for sale - Note 7				$ 100
Dual Pinion Ball Mill
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from assets held for sale - Note 7					$ 600
Aggregate purchase price					6,300
Non-refundable option payment				4,800
Non-refundable payment due					600
Commissions expense					$ 900
Commission Expense Proceeds Received Percentage					17.50%
Commission remaining non-refundable payments percentage					17.50%
Dual Pinion Ball Mill | Subsequent event
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from assets held for sale - Note 7		$ 300
SAG Mill And Ball Mill
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from assets held for sale - Note 7	$ 1,000		$ 500	500
Assets held for sale				12,000
Receivable final payment on asset held for sale				$ 11,000
Received interest percentage on outstanding				5.00%