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Financial instruments (Parenthetical) (Details 1) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2021
Dec. 31, 2021
Dec. 31, 2020
Financial instruments [Line Items]      
Proceeds from the sale of equity instruments $ 16,413    
Term deposit One [member]      
Financial instruments [Line Items]      
Assets Pledged as Collateral   $ 31,430 $ 0