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Gains (losses) from operating activities in the statement of income of expenses, included according to their nature - Summary of Expenses by Nature (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Statement [Line Items]      
Depreciation of right-of-use assets $ (9,206) $ (8,706)  
Impairment of properties, plant and equipment, intangible and Goodwill (34,149)    
Operational leases (1,226) (1,587) $ (1,133)
Expenses related to variable lease payments (contracts under IFRS 16) (3,631) (1,313) (1,117)
Total expenses by nature (5,192,568) (1,951,706) (1,540,950)
Other expenses by nature      
Statement [Line Items]      
Raw materials and consumables (561,709) (345,356) (287,877)
Employee benefit expenses (372,457) (272,323) (234,108)
Depreciation expense (218,714) (195,678) (182,452)
Depreciation of right-of-use assets (9,205) (8,706) (8,431)
Impairment of properties, plant and equipment, intangible and Goodwill (42,233) (6,060) (11,644)
Amortization expense (16,539) (9,855) (13,029)
Legal expenses (6,841) (42,254) (69,965)
Investment plan expenses (19,020) (15,058) (15,054)
Exploration expenses 0 (284) (5,262)
Provision for materials, spare parts and supplies (7,099) (505) 640
Contractors (201,579) (162,677) (147,096)
Operational leases (75,249) (70,584) (60,572)
Mining concessions (14,585) (7,325) (6,645)
Operational transportation (91,130) (76,004) (68,730)
Freight and product transport costs (94,727) (77,353) (52,156)
Purchase of products from third parties 473,742 329,464 260,089
CORFO rights y other agreements (3,272,897) (247,604) (74,418)
Export costs 153,162 99,212 88,176
Expenses related to variable lease payments (contracts under IFRS 16) (3,631) (1,313) (1,117)
Insurance (46,334) (25,770) (21,135)
Consultant and advisor services (27,235) (17,332) (13,880)
Variation in gross inventory (631,156) (85,709) (102,446)
Variation in inventory provision 27,324 (5,038) (7,244)
Other expenses $ (88,312) $ (31,736) $ (29,444)