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Inventories (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Disclosure of inventories [Line Items]    
Total inventories $ 526,106 $ 430,546
Less: current inventories (500,462) (406,191)
Non-current portion of inventories 25,644 24,355
Costs of inventories recognized as expense 1,264,812 978,635
Production costs 925,479 696,672
Depreciation and amortisation expense 302,958 254,469
NRV adjustments to inventory 8,700 (16,200)
Inventories, at net realisable value 203,700 215,500
Escobal mine [member]    
Disclosure of inventories [Line Items]    
Supplies (18,300) (17,100)
Concentrate [member]    
Disclosure of inventories [Line Items]    
Total inventories 30,647 19,104
Stockpile ore [member]    
Disclosure of inventories [Line Items]    
Total inventories 43,216 30,063
Non-current portion of inventories 4,500 2,700
Heap leach and in process [member]    
Disclosure of inventories [Line Items]    
Total inventories 286,266 219,334
Non-current portion of inventories 185,100 147,000
Dore and finished [member]    
Disclosure of inventories [Line Items]    
Total inventories 81,448 77,489
Materials and supplies [member]    
Disclosure of inventories [Line Items]    
Total inventories $ 84,529 $ 84,556