Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Financial Instruments (Schedule of Sensitivity Analysis of Equity) (Details)

v3.8.0.1
Financial Instruments (Schedule of Sensitivity Analysis of Equity) (Details) - EUR (€)
€ in Thousands
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
5% in Euro Increase Equity [Member]    
Disclosure of detailed information about financial instruments [line items]    
Change in exchange rate of Increase (Decrease) of Equity € 761 € 981
5% in Euro Decrease Equity [Member]    
Disclosure of detailed information about financial instruments [line items]    
Change in exchange rate of Increase (Decrease) of Equity (761) (981)
5% in NIS Increase Equity [Member]    
Disclosure of detailed information about financial instruments [line items]    
Change in exchange rate of Increase (Decrease) of Equity (378) (256)
5% in NIS Decrease Equity [Member]    
Disclosure of detailed information about financial instruments [line items]    
Change in exchange rate of Increase (Decrease) of Equity € 378 € 256