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Subsidiaries with material non-controlling interest - Statements of cash flow (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Disclosure of subsidiaries [line items]      
Operating activities $ (227,067) $ (41,666) $ 233,495
Investing activities (205,536) 205,753 (86,287)
Financing activities (55,659) (370,500) 461,332
Increase in cash and cash equivalents in the year (34,128) (123,081) 141,550
Sociedad Minera El Brocal S.A.A      
Disclosure of subsidiaries [line items]      
Operating activities 147,199 77,223 104,858
Investing activities (61,772) (62,579) (37,618)
Financing activities (29,252) (23,778) (57,176)
Increase in cash and cash equivalents in the year 56,175 (9,134) 10,064
Minera La Zanja S.R.L      
Disclosure of subsidiaries [line items]      
Operating activities (13,940) 0 (50,647)
Investing activities (2,827) 0 (998)
Financing activities 0 0 0
Increase in cash and cash equivalents in the year (16,767) 0 (51,645)
S.M.R.L. Chaupiloma Dos de Cajamarca      
Disclosure of subsidiaries [line items]      
Operating activities 0 0 10,838
Investing activities 0 0 0
Financing activities 0 0 (11,900)
Increase in cash and cash equivalents in the year 0 0 (1,062)
Apu Coropuna S.R.L.      
Disclosure of subsidiaries [line items]      
Operating activities 0 (85) (1,227)
Investing activities 0 0 0
Financing activities 0 0 0
Increase in cash and cash equivalents in the year $ 0 $ (85) $ (1,227)