v3.25.1
Provisions (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Disclosure of provisions [Line Items]      
Balance at beginning of the year $ 300,700 $ 298,518  
Changes 77,910 12,082  
Accretion expense 8,476 12,067  
Reclassifications and others (1,509) 3,834  
Disbursements (25,277) (25,801)  
Balance at end of the year 360,300 300,700  
Classification by maturity [Abstract]      
Current portion 53,900 107,491 $ 94,171
Non-current portion 306,400 193,209 $ 204,347
Closure of mining units and exploration projects [Member]      
Disclosure of provisions [Line Items]      
Balance at beginning of the year 259,366 254,247  
Changes 73,090 11,076  
Accretion expense 8,476 12,067  
Reclassifications and others (6,642) 0  
Disbursements (17,372) (18,024)  
Balance at end of the year 316,918 259,366  
Classification by maturity [Abstract]      
Current portion 25,758 80,548  
Non-current portion 291,160 178,818  
Environmental liabilities [Member]      
Disclosure of provisions [Line Items]      
Balance at beginning of the year 22,266 16,261  
Changes 4,062 7,097  
Accretion expense 0 0  
Reclassifications and others 5,133 3,671  
Disbursements (6,634) (4,763)  
Balance at end of the year 24,827 22,266  
Environmental contingencies [Member]      
Disclosure of provisions [Line Items]      
Balance at beginning of the year 3,689 8,416  
Changes 2,987 (1,868)  
Accretion expense 0 0  
Reclassifications and others 0 97  
Disbursements (1,166) (2,956)  
Balance at end of the year 5,510 3,689  
Safety contingencies [Member]      
Disclosure of provisions [Line Items]      
Balance at beginning of the year 4,963 6,716  
Changes (373) (1,702)  
Accretion expense 0 0  
Reclassifications and others 0 7  
Disbursements 76 (58)  
Balance at end of the year 4,666 4,963  
Labor contingencies [Member]      
Disclosure of provisions [Line Items]      
Balance at beginning of the year 3,824 5,131  
Changes 643 (1,343)  
Accretion expense 0 0  
Reclassifications and others 0 36  
Disbursements (181) 0  
Balance at end of the year 4,286 3,824  
Tax contingencies [Member]      
Disclosure of provisions [Line Items]      
Balance at beginning of the year 2,991 5,005  
Changes (1,043) (2,014)  
Accretion expense 0 0  
Reclassifications and others 0 0  
Disbursements 0 0  
Balance at end of the year 1,948 2,991  
Obligations with communities [Member]      
Disclosure of provisions [Line Items]      
Balance at beginning of the year 1,838 2,105  
Changes (1,048) (290)  
Accretion expense 0 0  
Reclassifications and others 0 23  
Disbursements 0 0  
Balance at end of the year 790 1,838  
Other provisions [Member]      
Disclosure of provisions [Line Items]      
Balance at beginning of the year 1,763 637  
Changes (408) 1,126  
Accretion expense 0 0  
Reclassifications and others 0 0  
Disbursements 0 0  
Balance at end of the year $ 1,355 $ 1,763