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

Transactions and Balances with Related Parties (Schedule of Compensation to Individuals not Employed by Company) (Details)

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Transactions and Balances with Related Parties (Schedule of Compensation to Individuals not Employed by Company) (Details) - Non Employed [Member]
€ in Thousands
12 Months Ended
Dec. 31, 2018
EUR (€)
People
Dec. 31, 2017
EUR (€)
People
Dec. 31, 2016
EUR (€)
People
Disclosure of transactions between related parties [line items]      
Number of people for compensation not employed by the company | People 3 3 3 [1]
Number of people for share-based payments | People 3 3 3 [1]
Total compensation to directors not employed by the company | € € 49 € 35 € 63
Share-based payments | € € 5 € 14 € 3
[1] Including Board members that did not serve throughout the entire year