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Restricted Cash, Deposits and Marketable Securities (Schedule of Restricted Cash) (Details) - EUR (€) € in Thousands | Jun. 30, 2019 | Dec. 31, 2018
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Disclosure of Restricted cash deposits and marketable securities [Abstract] |  |  |
Marketable securities | [1] | € 2,204 | € 2,132
Short-term restricted cash | [2] | 1,315 | 4,653
Long-term restricted non-interest bearing bank deposits | [3] | 3,222 | 408
Restricted cash, long-term bank deposits | [4] | 7,695 | 1,654
Long-term restricted cash and deposits |  | € 10,917 | € 2,062
[1] | The Company invested in a traded Corporate Bond (rated Baa3 by Moody's) with a coupon rate of 4.435% and a maturity date of December 30, 2020 and in 5.8% WACHOVIA Fixed Interest Float.
[2] | Current accounts securing short term obligations.
[3] | Deposits used to secure obligations towards the Israeli Electricity Authority for the license for the pumped-storage project in the Manara Cliff in Israel and to secure obligations under loan agreements.
[4] | Bank deposits used to secure obligations under loan agreements and to secure the Company's forward contracts.

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