XML 172 R150.htm IDEA: XBRL DOCUMENT v3.23.1
Other Financial Liabilities (debt) - Additional information (Details)
$ in Thousands
 1 Months Ended 12 Months Ended
May 31, 2022
USD ($)
Jun. 30, 2017
USD ($)
Dec. 31, 2022
USD ($)
item
Dec. 31, 2021
USD ($)
item
Dec. 31, 2020
USD ($)
Dec. 31, 2014
USD ($)
Disclosure Of Other Financial Liabilities debt [Line Items]            
Payments for debt issue costs     $ 0 $ 10,700 $ 0  
Repayments of borrowings, classified as financing activities     $ 50,000 $ 65,793 7,197  
Sociedad Minera El Brocal S.A.A            
Disclosure Of Other Financial Liabilities debt [Line Items]            
Maximum earnings before interest, taxes, depreciation, and amortization ratio | item     3.50 3.0    
Minimum Interest Coverage Ratio | item       1    
Interest expense     $ 3,200 $ 10,100 $ 22,400  
Total credit facility     $ 1,500,000      
Repaid line of credit facility $ 325,000          
Sociedad Minera El Brocal S.A.A | Senior unsecured credit facility            
Disclosure Of Other Financial Liabilities debt [Line Items]            
Borrowings           $ 1,800
Increased in Credit Facility   $ 225,000        
Sociedad Minera El Brocal S.A.A | Credit Facility            
Disclosure Of Other Financial Liabilities debt [Line Items]            
Commitment fee     0.50%      
Unsecured Revolving Credit Facility [Member] | Sociedad Minera El Brocal S.A.A            
Disclosure Of Other Financial Liabilities debt [Line Items]            
Notional amount 350,000          
Payments for debt issue costs     $ 3,500      
Interest expense     $ 1,900      
Repaid line of credit facility $ 325,000