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Recoverable taxes - Summary of Restricted cash (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Disclosure Of income taxes Recoverable [Line Items]    
Recoverable income tax $ 3,893 $ 2,154
Other recoverable taxes 3,544 2,591
Total 7,437 4,745
Current 6,881 4,071
Non-current $ 556 $ 674