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Related Party Transactions (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2023
USD ($)
financial_institution
shares
Dec. 31, 2022
USD ($)
financial_institution
shares
Related Party Transaction [Line Items]    
Minimum percentage of common stock held by related party, right to nominate one director   10.00%
Number of financial institutions, debt issued | financial_institution 5  
Number of financial institutions, considered related party | financial_institution   1
Interest expense, net of capitalized interest $ 18,467 $ 18,481
Debt, net 142,617 132,690
Ausenco Engineering USA South | Acid POX milling technical study    
Related Party Transaction [Line Items]    
Related party transaction, amount $ 300 $ 900
AMC    
Related Party Transaction [Line Items]    
Minimum percentage of common stock held by related party, right to nominate one director 10.00% 10.00%
AMC | Director Compensation    
Related Party Transaction [Line Items]    
Related party transaction, amount $ 200  
AMC | Director Compensation, Cash    
Related Party Transaction [Line Items]    
Related party transaction, amount 100  
AMC | Director Compensation, Restricted Stock Fair Value    
Related Party Transaction [Line Items]    
Related party transaction, amount $ 100  
Shares of common stock (in shares) | shares 18,007 6,119
Related Party    
Related Party Transaction [Line Items]    
Interest expense, net of capitalized interest   $ 4,000
Debt, net   $ 42,900