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

Investee Companies and other investments (Summary of Information on Financial Position) (Details)

v3.8.0.1
Investee Companies and other investments (Summary of Information on Financial Position) (Details) - EUR (€)
€ in Thousands
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
[1]
Dec. 31, 2014
[1]
Disclosure of associates [line items]        
Current Assets € 42,569 € 32,960 [1] € 30,790  
Non-current assets 155,519 115,504 [1] 116,524  
Total assets 198,088 148,464 [1] 147,314  
Current liabilities (11,283) (10,558) [1] (9,275)  
Non-current liabilities 109,305 53,535 [1] 51,597  
Total liabilities (120,588) (64,093) [1] (60,872)  
Equity attributable to the owners of the Company 78,641 85,072 [1] 86,686  
Company's share (77,500) (84,371) [1] € (86,442) € (77,479)
Carrying Amount of investment € 18,515 € 18,578    
Dori Energy [Member]        
Disclosure of associates [line items]        
Proportion of ownership interest 50.00% 50.00%    
Current Assets € 8,013 € 4,511    
Non-current assets 47,959 50,036    
Total assets 55,972 54,547    
Current liabilities (51) (3,956)    
Non-current liabilities (26,006) (21,628)    
Total liabilities 26,057 (25,584)    
Equity attributable to the owners of the Company 29,915 28,963    
Company's share 14,958 14,481    
Surplus Costs and goodwill 3,925 4,481    
Other Adjustments (367) (384)    
Carrying Amount of investment € 18,515 € 18,578    
[1] Please refer to note 2C for functional and presentation currency.