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Financial obligations - Total financial obligations (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Financial obligations      
Beginning balance $ 1,057,975 $ 531,653 $ 571,688
Senior Notes bonds issue 0 550,000 0
Debt issuance costs 0 (10,700) 0
Amortization of debt issuance costs in results 1,963 717 0
Payments (323,057) (21,585) (38,994)
Reversal of the amortized cost of the syndicated loan, note 16(g) 8,855 0 0
Amortization of debt issuance costs in results 2,820 885 976
Effect of amortized cost 515 8,837 (361)
Increase (reduction) of debt restructuring costs 0 (225) 1,992
Additions 11,712 2,972 5,213
Accretion expense 99 176 180
Payments (4,638) (5,205) (4,080)
Disposals 0 0 (977)
Final balance $ 738,534 $ 1,057,975 $ 531,653