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

Long-term Loans (Schedule of Aggregate Annual Maturities) (Details)

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Long-term Loans (Schedule of Aggregate Annual Maturities) (Details) - EUR (€)
€ in Thousands
Dec. 31, 2017
Oct. 18, 2017
Dec. 31, 2016
Dec. 31, 2015
[1]
Disclosure of detailed information about borrowings [line items]        
Total of long term loans € 42,091 € 21,370 € 16,961 [1] € 11,984
Current maturities 2,773   776  
Long-term loans 44,864   17,737  
Second year [Member]        
Disclosure of detailed information about borrowings [line items]        
Total of long term loans 3,403   1,203  
Third year [Member]        
Disclosure of detailed information about borrowings [line items]        
Total of long term loans 3,584   1,206  
Fourth year [Member]        
Disclosure of detailed information about borrowings [line items]        
Total of long term loans 3,712   1,233  
Fifth year [Member]        
Disclosure of detailed information about borrowings [line items]        
Total of long term loans 3,795   1,642  
Sixth year and thereafter [Member]        
Disclosure of detailed information about borrowings [line items]        
Total of long term loans € 27,597   € 11,677  
[1] Please refer to note 2C for functional and presentation currency.