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Trade and other receivables (Details) - USD ($)
$ in Thousands
Mar. 31, 2022
Dec. 31, 2021
Trade and other receivables [Abstract]    
Trade receivables $ 221,425 $ 227,343
Tax receivables 50,596 59,350
Prepayments 24,212 9,342
Other accounts receivable 5,478 11,108
Trade and other receivables $ 301,711 $ 307,143