Long-term Reclamation Liability and Retirement Obligation Asset (Tables) |
12 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Dec. 31, 2019 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Asset Retirement Obligation Disclosure [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Schedule of Other Noncurrent Liabilities | Following is a reconciliation of the mining retirement liability associated with our reclamation plan for the mining projects for the years ended December 31, 2019, and 2018:
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Schedule of Asset Retirement Obligations | Following is a reconciliation of the mining retirement obligation asset for the years ended December 31, 2019, 2018, and 2017:
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