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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.

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