v3.26.1
Equity - Noncontrolling interest (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Statement [line items]      
Balance $ 896,327 $ 863,702 $ 893,821
Equity attributable to non-controlling interests      
Profit (Loss) for the year 1,338 15 (1,195)
Dividend to noncontrolling interest from subsidiary (442)    
Balance 902,139 896,327 863,702
Noncontrolling interests      
Statement [line items]      
Balance 6,266 6,934 1,249
Equity attributable to non-controlling interests      
Profit (Loss) for the year 1,338 15 (1,195)
Remeasurement of defined benefit pension plans 0 0 2
Share-based compensation expenses 41 78 40
New shares issued by subsidiaries 1,508 9 6,015
Dividend to noncontrolling interest from subsidiary (442) 0  
Acquired the controlling power from noncontrolling interest 0 0 811
Purchase of subsidiaries shares from noncontrolling interest 45 (764) 12
Exchange differences arising on translation of foreign operations (9) (6)  
Balance $ 8,747 $ 6,266 $ 6,934