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Employee benefits (Tables)
 12 Months Ended
Dec. 31, 2024
Employee Benefits  
Schedule of provisions for employee benefits
Classes of benefits and expenses by employeeAs of
December 31,
2024		As of
December 31,
2023
ThUS$ThUS$
Current
Profit sharing and bonuses— — 
Performance bonus and operational targets31,546 23,946 
Total31,546 23,946 
Non-current  
Profit sharing and bonuses26,970 18,428 
Severance indemnity payments38,637 43,578 
Total65,607 62,006 
Schedule of post employment benefit obligations
Reconciliation Changes in the benefit obligationAs of
December 31,
2024		As of
December 31,
2023		As of
December 31,
2022
ThUS$ThUS$ThUS$
Benefit obligation at the beginning of the year286 279 9,550 
Current cost of service— — — 
Interest cost12 12 255 
Actuarial loss54 180 (1,357)
Settlement— — (7,739)
Benefits paid(81)(185)(430)
Total 271 286 279 
Reconciliation
Changes in plan assets		As of
December 31,
2024		As of
December 31,
2023		As of
December 31,
2022
ThUS$ThUS$ThUS$
Fair value of plan assets at the start of the year5,382 4,982 13,497 
Real return (loss) in the plan assets236 585 (346)
Benefits paid(81)(185)(430)
Settlement— — (7,739)
Fair value of plan assets at the end of the year5,537 5,382 4,982 
Non-current-assets5,266 5,095 4,703 
Elements not yet recognized as components of the cost of periodic net pensions:   
Net actuarial income at the beginning of the year249 59 1,039 
Settlement— — (1,627)
Gain(49)190 647 
Adjustment to recognize the minimum pension obligation200 249 59 
Cost of service or benefits received during the yearAs of
December 31,
2024		As of
December 31,
2023		As of
December 31,
2022
ThUS$ThUS$ThUS$
Financial cost12 12 255 
Real loss in plan assets(231)(214)(363)
Settlement— — (1,627)
Net periodic pension expenses(219)(202)(1,735)
Schedule of staff severance indemnities
As of December 31, 2024, and 2023, severance indemnities calculated at the actuarial value are as follows:
Staff severance indemnitiesAs of
December 31,
2024		As of
December 31,
2023		As of
December 31,
2022
ThUS$ThUS$ThUS$
Opening balance(43,578)(34,899)(27,099)
Current cost of service(1,889)(4,624)(4,204)
Interest cost(2,549)(2,236)(1,928)
Actuarial gain loss3,149 (5,947)(5,305)
Exchange rate difference5,039 769 551 
Benefits paid during the year1,191 3,359 3,086 
Total(38,637)(43,578)(34,899)
Schedule of employee Actuarial assumption rate
The liability recorded for staff severance indemnity is valued at the actuarial value method, using the following actuarial assumptions:
Actuarial assumptionsAs of
December 31,
2024		As of
December 31,
2023		As of
December 31,
2022		Annual/Years
Mortality rate
RV - 2020/CB - 2020
RV - 2020/CB - 2020
RV - 2014
Discount interest rate5.75%5.32%5.12%
Inflation rate3.00%3.00%3.41%
Voluntary retirement rate:
Men3.82 %3.82 %6.49 %Annual
Women3.82 %3.82 %6.49 %Annual
Salary increase4.01 %4.01 %3.00 %Annual
Retirement age:
Men656565Years
Women606060Years
Schedule of sensitivity analysis of assumptions
As of December 31, 2024, 2023 and 2022, the Company has conducted a sensitivity analysis of the main assumptions of the actuarial calculation, determining the following:
Sensitivity analysis as of December 31, 2024Effect + 100 basis
points		Effect - 100 basis
points
ThUS$ThUS$
Discount rate(2,352)2,647 
Employee turnover rate(309)345 
Sensitivity analysis as of December 31, 2023Effect + 100 basis
points		Effect - 100 basis
points
ThUS$ThUS$
Discount rate(2,575)2,898 
Employee turnover rate(338)378 
Sensitivity analysis as of December 31, 2022Effect + 100 basis
points		Effect - 100 basis
points
ThUS$ThUS$
Discount rate(2,090)2,352 
Employee turnover rate(274)307