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

Investee Companies and other investments (Schedule of Composition of Advances on Account of Investments) (Details)

v3.8.0.1
Investee Companies and other investments (Schedule of Composition of Advances on Account of Investments) (Details) - EUR (€)
€ in Thousands
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
[1]
Disclosure of associates [line items]      
Advances on account of investments € 8,000 € 710 [1]
Manara Project [Member]      
Disclosure of associates [line items]      
Advances on account of investments € 825 € 812  
[1] Please refer to note 2C for functional and presentation currency.