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Financial Instruments and Fair Value Measurement - Schedule of Fair Value of Derivatives and RSU, PSU and DSU Liabilities (Details) - USD ($)
$ in Thousands
Sep. 30, 2021
Dec. 31, 2020
Fair Value Disclosures [Abstract]    
Investment $ 44,116 $ 48,323
Derivative liability 14,737 12,050
PSU and DSU liability 13,601 4,760
Liabilities, fair value disclosure $ 28,338 $ 16,810