Assets Held For Sale (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended		12 Months Ended
	Dec. 31, 2022	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022	Aug. 31, 2022
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Assets held for sale	$ 7,148	$ 7,148		$ 7,148
Proceeds from assets held for sale		0	$ 1,250
Interest income		1,938	$ 0
SAG Mill And Ball Mill
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Assets held for sale					$ 12,000
Assets held for sale, additional amount	$ 1,600
Aggregate purchase price				$ 13,600
Proceeds from assets held for sale		1,100
Receivable final payment on asset held for sale		12,500
Interest income		$ 100
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%
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%