XML 179 R150.htm IDEA: XBRL DOCUMENT v3.24.1.u1
Provisions (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Disclosure of provisions [Line Items]      
Balance at beginning of the year $ 298,518 $ 313,327  
Changes 12,082 (2,946)  
Accretion expense 12,067 5,188  
Reclassifications and others 3,834 981  
Disbursements (25,801) (18,032)  
Balance at end of the year 300,700 298,518  
Classification by maturity [Abstract]      
Current portion 107,491 94,171 $ 81,039
Non-current portion 193,209 204,347 $ 232,288
Closure of mining units and exploration projects [Member]      
Disclosure of provisions [Line Items]      
Balance at beginning of the year 254,247 271,987  
Changes 11,076 (8,872)  
Accretion expense 12,067 5,129  
Reclassifications and others 0 992  
Disbursements (18,024) (14,989)  
Balance at end of the year 259,366 254,247  
Classification by maturity [Abstract]      
Current portion 80,548 60,644  
Non-current portion 178,818 193,603  
Environmental liabilities [Member]      
Disclosure of provisions [Line Items]      
Balance at beginning of the year 16,261 19,956  
Changes 7,097 (228)  
Accretion expense 0 59  
Reclassifications and others 3,671 (992)  
Disbursements (4,763) (2,534)  
Balance at end of the year 22,266 16,261  
Environmental contingencies [Member]      
Disclosure of provisions [Line Items]      
Balance at beginning of the year 8,416 5,164  
Changes (1,868) 3,459  
Accretion expense 0 0  
Reclassifications and others 97 246  
Disbursements (2,956) (453)  
Balance at end of the year 3,689 8,416  
Safety contingencies [Member]      
Disclosure of provisions [Line Items]      
Balance at beginning of the year 6,716 5,632  
Changes (1,702) 870  
Accretion expense 0 0  
Reclassifications and others 7 258  
Disbursements (58) (44)  
Balance at end of the year 4,963 6,716  
Labor contingencies [Member]      
Disclosure of provisions [Line Items]      
Balance at beginning of the year 5,131 4,421  
Changes (1,343) 489  
Accretion expense 0 0  
Reclassifications and others 36 233  
Disbursements 0 (12)  
Balance at end of the year 3,824 5,131  
Tax contingencies [Member]      
Disclosure of provisions [Line Items]      
Balance at beginning of the year 5,005 3,409  
Changes (2,014) 1,596  
Accretion expense 0 0  
Reclassifications and others 0 0  
Disbursements 0 0  
Balance at end of the year 2,991 5,005  
Obligations with communities [Member]      
Disclosure of provisions [Line Items]      
Balance at beginning of the year 2,105 2,595  
Changes (290) (637)  
Accretion expense 0 0  
Reclassifications and others 23 147  
Disbursements 0 0  
Balance at end of the year 1,838 2,105  
Other provisions [Member]      
Disclosure of provisions [Line Items]      
Balance at beginning of the year 637 163  
Changes 1,126 377  
Accretion expense 0 0  
Reclassifications and others 0 97  
Disbursements 0 0  
Balance at end of the year $ 1,763 $ 637