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Financial Instruments - Movement in financial assets included in Level 3 of fair value hierarchy (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Statement [line items]    
Beginning balance $ 1,187,368  
Ending balance 1,120,749 $ 1,187,368
Level 3    
Statement [line items]    
Beginning balance 14,078 14,708
Additions 500  
Disposal (283) (151)
Recognized in other comprehensive income 152 (181)
Recognized in profit or loss 1,182 (298)
Ending balance 15,629 14,078
Financial assets at fair value through profit or loss, category | Level 3    
Statement [line items]    
Beginning balance 13,668 13,966
Additions 500  
Disposal 0  
Recognized in other comprehensive income 0  
Recognized in profit or loss 1,182 (298)
Ending balance 15,350 13,668
Financial assets at fair value through other comprehensive income, category | Level 3    
Statement [line items]    
Beginning balance 410 742
Additions 0  
Disposal (283) (151)
Recognized in other comprehensive income 152 (181)
Recognized in profit or loss 0  
Ending balance $ 279 $ 410