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

Loans (Schedule of Loans) (Details)

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Loans (Schedule of Loans) (Details) - EUR (€)
€ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2010
Disclosure of detailed information about borrowings [line items]      
Bank loans € 42,545 € 19,661  
Other long-term loans 4,704 4,384  
Total of long term loans € 66,092 € 44,864  
Linkage terms EURIBOR EURIBOR  
Interest rate 3.50% 3.50% 3.43%
Bottom of range [Member]      
Disclosure of detailed information about borrowings [line items]      
Interest rate 1.60% 1.60%  
Bottom of range [Member] | Bank Loan [Member]      
Disclosure of detailed information about borrowings [line items]      
Interest rate 1.60% 1.60%  
Bottom of range [Member] | Other long-term loans [Member]      
Disclosure of detailed information about borrowings [line items]      
Interest rate 2.50% 2.50%  
Top of range [member]      
Disclosure of detailed information about borrowings [line items]      
Interest rate 3.50% 3.50%  
Top of range [member] | Bank Loan [Member]      
Disclosure of detailed information about borrowings [line items]      
Interest rate 3.00% 3.00%  
Top of range [member] | Other long-term loans [Member]      
Disclosure of detailed information about borrowings [line items]      
Interest rate 5.00% 5.00%  
Consumer price index in Israel [Member]      
Disclosure of detailed information about borrowings [line items]      
Bank loans € 18,843 € 20,820  
Linkage terms Consumer price index in Israel Consumer price index in Israel  
Interest rate 4.65%