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Deferred Gain on Sale of Royalty
3 Months Ended
Mar. 31, 2022
Other Liabilities Disclosure [Abstract]  
Deferred Gain on Sale of Royalty Deferred Gain on Sale of RoyaltyAs of March 31, 2022, the Company classified the deferred gain from the sale of its royalty as a non-current liability as a result of the cessation of mining operations in November 2021.