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Trade and other receivables (Details) - USD ($)
$ in Thousands
Jun. 30, 2022
Dec. 31, 2021
Trade and other receivables [Abstract]    
Trade receivables $ 209,402 $ 227,343
Tax receivables 50,092 59,350
Prepayments 22,932 9,342
Other accounts receivable 6,418 11,108
Trade and other receivables $ 288,844 $ 307,143