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Sales - Other operating revenue (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Disclosure Of Net Sales [Line Items]      
Other operating income (expense) $ (29,260) $ 2,690 $ (11,090)
Minera Yanacocha SRL and subsidiary [Member]      
Disclosure Of Net Sales [Line Items]      
Other operating income (expense) 58,748 27,768 4,776
Copper and silver in concentrate [Member] | Minera Yanacocha SRL and subsidiary [Member]      
Disclosure Of Net Sales [Line Items]      
Other operating income (expense) 58,236 27,765 4,098
Other | Minera Yanacocha SRL and subsidiary [Member]      
Disclosure Of Net Sales [Line Items]      
Other operating income (expense) $ 512 $ 3 $ 678