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Selling Expenses (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Disclosure of Selling Expenses [Line Items]      
Transportation services $ 14,138 $ 12,242 $ 14,585
Canons and tributes 2,820 2,118 2,631
Shipping services and expenses 2,252 2,519 5,637
Personnel expenses 595 520 637
Other 1,022 1,134 823
Total 20,827 18,533 24,313
Minera Yanacocha SRL and subsidiary [Member]      
Disclosure of Selling Expenses [Line Items]      
Other 1,216 510 3
Selling Expense 1,149 1,412 1,719
Total 2,365 1,922 1,722
Sociedad Minera Cerro Verde S.A.A. [Member]      
Disclosure of Selling Expenses [Line Items]      
Other 2,442 1,485 3,072
Copper concentrate freight 100,475 89,241 98,933
Commissions 5,009 4,935 5,588
Cathode freight 1,960 2,019 1,890
Total $ 109,886 $ 97,680 $ 109,483