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Property, plant, equipment and development costs - Net assets for right in use (Details)
$ in Thousands
 1 Months Ended 12 Months Ended
Jun. 30, 2021
USD ($)
item
Dec. 31, 2022
USD ($)
Dec. 31, 2021
USD ($)
item
Dec. 31, 2020
USD ($)
item
Property, plant, equipment and development costs        
Book Value Of Assets Under Finance Lease   $ 250,500 $ 270,800  
Acquisition Of Assets Under Lease   0 0  
Impairment recovery (loss) of long-lived assets   19,874 (14,910) $ 2,083
Capitalized finance costs   0 0 0
Right-of-use assets   12,760 5,338  
Additions to right-of-use assets   11,700 3,000  
Disposal of right of use assets   0 0  
Write-off of stripping activity asset   0 6,763 $ 11,633
Buildings and other constructions        
Property, plant, equipment and development costs        
Right-of-use assets   10,484 2,088  
Transportation units        
Property, plant, equipment and development costs        
Right-of-use assets   1,380 2,501  
Machinery and equipment [Member]        
Property, plant, equipment and development costs        
Right-of-use assets   896 749  
El Brocal        
Property, plant, equipment and development costs        
Goodwill   34,000 $ 34,000  
Stripping activity asset of phase 6 written off | item 1,181,280      
Stripping activity asset of phase 9 written off | item       1,102,117
Write-off of stripping activity asset $ 6,763,000     $ 11,633,000
Stripping activity balance after phase 6 written off | item     5,730  
Stripping activity asset of phase 6 expected to be produced     $ 118,000  
Uchucchacua        
Property, plant, equipment and development costs        
Recovery amounts   146,114 196,545 244,795
Rio Seco        
Property, plant, equipment and development costs        
Recovery amounts   50,808 18,671  
Orcopampa        
Property, plant, equipment and development costs        
Recovery amounts   51,911 43,128 57,650
La Zanja        
Property, plant, equipment and development costs        
Recovery amounts   35,011 51,044 20,736
Julcani        
Property, plant, equipment and development costs        
Recovery amounts       40,642
El Brocal        
Property, plant, equipment and development costs        
Recovery amounts       761,081
Impairment Of Long Lived Asset [Member] | Rio Seco        
Property, plant, equipment and development costs        
Impairment recovery (loss) of long-lived assets   $ 19,900    
Impairment loss     19,900  
Impairment Of Long Lived Asset [Member] | La Zanja        
Property, plant, equipment and development costs        
Return of provision for loss of value of inventories for sale of the Mallay unit     5,000  
Reversal of impairment loss recognised in profit or loss, property, plant and equipment     $ 14,900  
Impairment Of Long Lived Asset [Member] | Julcani        
Property, plant, equipment and development costs        
Provisions       0
Return of provision for loss of value of inventories for sale of the Mallay unit       $ 2,100