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Equity (Details 2) - RSU [Member] - shares
shares in Thousands
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Disclosure Of Terms And Conditions Of Sharebased Payment Arrangement [Line Items]    
Restricted share units, Beginning 141 246
Restricted share units, Converted (59) (94)
Restricted share units, Expired (5) (11)
Restricted share units, Ending 77 141