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Contingencies (Details)
$ in Thousands
 6 Months Ended 12 Months Ended
Sep. 30, 2017
lawsuit
Dec. 31, 2021
USD ($)
lawsuit
Dec. 31, 2020
USD ($)
Disclosure of contingent liabilities [line items]      
Provision for decommissioning, restoration and rehabilitation costs   $ 242,900 $ 235,100
Royalty expense   $ 36,375 27,494
San Vicente mine [member] | COMIBOL [Member] | Bolivia      
Disclosure of contingent liabilities [line items]      
Participation fee   37.50%  
Royalty expense   $ 7,700 $ 5,800
Tahoe Resources, Inc [member]      
Disclosure of contingent liabilities [line items]      
Number of purported class action lawsuits filed | lawsuit 3    
Number of class action suits after consolidation | lawsuit   1