v3.26.1
Other, net (Details) - USD ($)
 12 Months Ended
Aug. 13, 2024
Nov. 02, 2023
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Disclosure of Other net [Line Items]          
Other operating incomes     $ 90,858,000 $ 295,079,000 $ 119,821,000
Other Operating Expense     (115,670,000) (99,147,000) (94,848,000)
Other operating income expense net     (24,812,000) 195,932,000 24,973,000
Environmental liabilities, outstanding balance       4,254,000  
Sale of parts and supplies to third parties          
Disclosure of Other net [Line Items]          
Other operating incomes     40,920,000 38,074,000 30,611,000
Reversal for impairment of spare parts and supplies          
Disclosure of Other net [Line Items]          
Other operating incomes     27,304,000 25,377,000 19,409,000
Reversal of the expense related to the liability related to the tax claim          
Disclosure of Other net [Line Items]          
Other operating incomes     10,574,000 0 0
Sale of services to third parties          
Disclosure of Other net [Line Items]          
Other operating incomes     6,033,000 4,296,000 3,049,000
Income from dividends in other investments          
Disclosure of Other net [Line Items]          
Other operating incomes     1,050,000 1,150,000 0
Sale of parts and supplies to related parties          
Disclosure of Other net [Line Items]          
Other operating incomes     203,000 364,000 1,104,000
Income from the sale of the investment in S.M.R.L Chaupiloma Dos de Cajamarca          
Disclosure of Other net [Line Items]          
Other operating incomes     0 210,000,000 0
Income from transfer of ownership of mining rights          
Disclosure of Other net [Line Items]          
Other operating incomes     0 6,637,000 9,843,000
Income from the sale of the investment in Contacto Corredores de Seguro S.A.,          
Disclosure of Other net [Line Items]          
Other operating incomes     0 0 41,523,000
Changes in provisions for exploration projects          
Disclosure of Other net [Line Items]          
Other operating incomes     0 0 7,794,000
Others minor income          
Disclosure of Other net [Line Items]          
Other operating incomes     4,774,000 9,181,000 6,488,000
Cost of sales of spare parts, supplies and goods to third parties          
Disclosure of Other net [Line Items]          
Other Operating Expense     (43,153,000) (38,869,000) (34,601,000)
Provision for impairment of spare parts and supplies          
Disclosure of Other net [Line Items]          
Other Operating Expense     (30,255,000) (27,304,000) (20,478,000)
Cost of sale of impaired supplies          
Disclosure of Other net [Line Items]          
Other Operating Expense     (14,707,000) 0 0
Administrative fines of environmental and security contingencies          
Disclosure of Other net [Line Items]          
Other Operating Expense     (6,924,000) (2,398,000) (6,528,000)
Changes in provision for exploration projects          
Disclosure of Other net [Line Items]          
Other Operating Expense     (5,783,000) (496,000) 0
Cost of sale of services to third parties          
Disclosure of Other net [Line Items]          
Other Operating Expense     (4,213,000) (2,128,000) (2,888,000)
Write-off of property, machinery and equipment          
Disclosure of Other net [Line Items]          
Other Operating Expense     (1,842,000) (8,051,000) (1,348,000)
Cost of disposals of property, machinery and equipment          
Disclosure of Other net [Line Items]          
Other Operating Expense     (843,000) (29,000) (418,000)
Liability associated with the tax claim for the years 2009-2010          
Disclosure of Other net [Line Items]          
Other Operating Expense     0 0 (9,598,000)
Changes in environmental liabilities provision          
Disclosure of Other net [Line Items]          
Other Operating Expense     (471,000) (4,062,000) (9,019,000)
Costs related to the sale of Contacto Corredores de Seguros S.A investment          
Disclosure of Other net [Line Items]          
Other Operating Expense     0 (4,807,000) (2,889,000)
Disposal cost of the sale of shares of Chaupiloma          
Disclosure of Other net [Line Items]          
Other Operating Expense     0 (1,100,000) 0
Impairment provision          
Disclosure of Other net [Line Items]          
Other Operating Expense     0 (4,184,000) 0
Others minor          
Disclosure of Other net [Line Items]          
Other Operating Expense     (7,479,000) (5,719,000) (7,081,000)
S.M.R.L. Chaupiloma Dos de Cajamarca and BISA          
Disclosure of Other net [Line Items]          
Sale price $ 210,000,000   0 210,534,000 245,000
Net cost of disposal derived from sale of investment 1,100,000        
Contacto Corredores de Seguros S.A.          
Disclosure of Other net [Line Items]          
Sale price     0 1,060,000 $ 27,003,000
Consideration upon sale of shares in subsidiary   $ 41,500,000      
Cost of disposal of subsidiary   2,900,000      
Consideration paid   27,000,000      
El Brocal          
Disclosure of Other net [Line Items]          
Environmental liabilities, budget for closure       1,054,000  
Minera La Zanja S.R.L          
Disclosure of Other net [Line Items]          
Environmental liabilities, budget for closure       $ 959,000  
Howden Hodco Peru S.A | Contacto Corredores de Seguros S.A.          
Disclosure of Other net [Line Items]          
Gain (loss) on sale of shares in subsidiary   $ 4,800,000      
Direct | S.M.R.L. Chaupiloma Dos de Cajamarca and BISA          
Disclosure of Other net [Line Items]          
Sale price $ 70,000,000        
Indirect | S.M.R.L. Chaupiloma Dos de Cajamarca and BISA          
Disclosure of Other net [Line Items]          
Sale price     $ 140,000,000