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Financial Instruments (Details 3)
$ in Thousands
Dec. 31, 2021
USD ($)
Dec. 31, 2020
CAD ($)
Currency risk    
Statement [Line Items]    
Net exposure $ 409 $ (358,000)
Financial Liabilities Denominated in Foreign Currencies    
Statement [Line Items]    
Net exposure (160) (41,000)
Financial Assets Denominated in Foreign Currencies    
Statement [Line Items]    
Net exposure $ 569 $ 399,000