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Related Party Transactions (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Disclosure of transactions between related parties [line items]    
Salaries and short-term benefits $ 18,658 $ 14,180
Post-employment benefits 1,226 1,287
Share-based payments 2,750 3,195
Key management personnel compensation $ 22,634 $ 18,662