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Other current and non-current non-financial assets - Short and Long-Term Exploitation Conciliation (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Other current financial assets    
Detailed Information About Short Term And Long Term Exploitation Conciliation [Line Items]    
Opening balance $ 1,235 $ 1,318
Amortization   (1,359)
Reclassifications 465 1,276
Total changes 465 (83)
Total 1,700 1,235
Other non-current financial assets    
Detailed Information About Short Term And Long Term Exploitation Conciliation [Line Items]    
Opening balance 8,598 7,011
Amortization (2,421)  
Reclassifications 1,519 1,587
Total changes (902) 1,587
Total $ 7,696 $ 8,598