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Equity (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
IFRS Statement [Line Items]      
From share of changes in equities of associates   $ 11 $ 105
Additional paid-in capital $ 105,150 104,749  
Ordinary Share [Member]      
IFRS Statement [Line Items]      
From ordinary shares 93,341 93,341  
Treasury shares [member]      
IFRS Statement [Line Items]      
From treasury shares 5,025 5,080  
Share of Changes in Equities of Associates [Member]      
IFRS Statement [Line Items]      
From share of changes in equities of associates 150 146  
Share Based Compensation [Member]      
IFRS Statement [Line Items]      
From share-based compensation $ 6,634 $ 6,182