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Financial Risk Management - Summary of Allowance for Expected Credit Losses of Trade Receivables (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Reconciliation Of Changes In Allowance Account For Credit Losses Of Financial Assets [Abstract]    
As at January 1 $ (712) $ (2,557)
Increase of allowance recognized in statement of operations during the year (490) (552)
Receivables written off during the year as uncollectible   2,569
Unused amount reversed 290 104
Translation differences 29 (276)
As at December 31 $ (883) $ (712)