Assets Held For Sale - Schedule of Disclosure of Long Lived Assets Held-for-Sale (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Assets held for sale	$ 10,183	$ 11,558
Held-for-sale | Equipment not in use
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Assets held for sale	9,913	11,163
Held-for-sale | Mine equipment
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Assets held for sale	0	125
Held-for-sale | Materials and supplies
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Assets held for sale	$ 270	$ 270