Assets Held For Sale (Details) - USD ($) $ in Thousands	1 Months Ended			12 Months Ended
	Dec. 31, 2022	Aug. 31, 2022	Feb. 28, 2022	Dec. 31, 2022	Dec. 31, 2021
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Assets held for sale – Note 7	$ 7,148			$ 7,148	$ 11,558
Proceeds from assets held for sale, net of commissions expense – Note 7				$ 6,574	0
Commissions on sale, percentage				17.50%
Impairment loss on assets held for sale				$ 0	$ 1,777
SAG Mill And Ball Mill
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Assets held for sale – Note 7		$ 12,000
Assets held for sale, additional consideration	1,600
Aggregate purchase price				13,600
Proceeds from assets held for sale, net of commissions expense – Note 7				1,100
Receivable final payment on asset held for sale	$ 12,500			$ 12,500
SAG Mill And Ball Mill | Minimum
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Received interest percentage on outstanding	5.00%			5.00%
SAG Mill And Ball Mill | Maximum
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Received interest percentage on outstanding	7.50%			7.50%
Regrind mill
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from assets held for sale, net of commissions expense – 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, net of commissions expense – 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, net of commissions expense – Note 7				$ 6,300