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Assets held for sale (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Jan. 31, 2022
Disclosure of financial assets [line items]        
Cost of sales, excluding depreciation and amortization $ 813,106 $ 652,613 $ 799,582  
Book value of assets 270,800 187,800    
Minera Yanacocha SRL and subsidiary [Member]        
Disclosure of financial assets [line items]        
Cost of sales, excluding depreciation and amortization 1,252,976 $ 667,703 $ 693,881  
Assets held for sale 174,000      
Other assets capitalized cost 79,000      
Expenses recognized 152,000      
Book value of assets 95,000      
initial payment of transaction cost 17,000      
Minera Yanacocha SRL and subsidiary [Member] | Conga Project [Member]        
Disclosure of financial assets [line items]        
Cash proceeds 68,000      
Cost of sales, excluding depreciation and amortization 46,000      
Assets held for sale $ 22,000      
Minera Yanacocha SRL and subsidiary [Member] | Conga Project [Member] | Classification of assets held for sale        
Disclosure of financial assets [line items]        
Book value of assets       $ 262,000