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Deferred income tax - Deferred tax assets (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2025 | Dec. 31, 2024
Provisions and allowances |  |
Deferred tax assets |  |
Balances at January 1 | $ 21,333 | $ 23,807
(Decrease) / increase of deferred tax assets for the year | (282) | (8,152)
Translation differences and inflation adjustment | 394 | 5,678
Balances at December 31 | 21,445 | 21,333
Tax loss carry forwards |  |
Deferred tax assets |  |
Balances at January 1 | 58,824 | 205,376
(Decrease) / increase of deferred tax assets for the year | (30,115) | (230,917)
Other | (404) | (6,887)
Translation differences and inflation adjustment | (2,510) | 91,252
Balances at December 31 | 25,795 | 58,824
Property, plant and equipment and Intangibles Assets |  |
Deferred tax assets |  |
Balances at January 1 | 683 | 813
(Decrease) / increase of deferred tax assets for the year | 3,224 | (139)
Translation differences and inflation adjustment | 20 | 9
Balances at December 31 | 3,927 | 683
Other |  |
Deferred tax assets |  |
Balances at January 1 | 9,185 | 10,008
(Decrease) / increase of deferred tax assets for the year | (985) | (1,958)
Other | (438) | 820
Translation differences and inflation adjustment | 606 | 315
Balances at December 31 | 8,368 | 9,185
Deferred tax assets |  |
Deferred tax assets |  |
Balances at January 1 | 90,025 | 240,004
(Decrease) / increase of deferred tax assets for the year | (28,158) | (241,166)
Other | (842) | (6,067)
Translation differences and inflation adjustment | (1,490) | 97,254
Balances at December 31 | $ 59,535 | $ 90,025

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