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Related Party Transactions (Details)
3 Months Ended 6 Months Ended
Jun. 30, 2022
USD ($)
financial_institution
Jun. 30, 2021
USD ($)
Jun. 30, 2022
USD ($)
financial_institution
Jun. 30, 2021
USD ($)
Dec. 31, 2021
USD ($)
Related Party Transaction [Line Items]          
Number of financial institutions, debt issued | financial_institution 5   5    
Number of financial institutions, considered related party | financial_institution     1    
Minimum percentage of common stock held by related party, right to nominate one director 10.00% 10.00% 10.00% 10.00%  
Interest expense, related party $ 1,000,000 $ 1,800,000 $ 2,000,000 $ 3,600,000  
Due to related parties 40,800,000   40,800,000   $ 63,800,000
Ausenco Engineering USA South | Acid POX milling technical study          
Related Party Transaction [Line Items]          
Related party transaction, amount 100,000   1,100,000    
Ausenco Engineering USA South | Other engineering services          
Related Party Transaction [Line Items]          
Related party transaction, amount 100,000   100,000    
Subordinated Notes          
Related Party Transaction [Line Items]          
Stated amount of borrowing $ 80,000,000   $ 80,000,000