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Non-current other liabilities (Details) - USD ($)
$ in Thousands
Dec. 31, 2022
Dec. 31, 2021
Payables and Accruals [Abstract]    
Defined benefit pension obligations, net (note 21) $ 13,033 $ 16,262
Other non-current liabilities 25,227 26,334
Other Liabilities, Noncurrent $ 38,260 $ 42,596