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Restricted Cash, Deposits and Marketable Securities (Tables) | 12 Months Ended
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Dec. 31, 2017
Disclosure of Restricted cash deposits and marketable securities [Abstract] |
Schedule of Restricted Cash, Deposits and Marketable Securities |
|  | December 31 |
|  | 2017 |  |  | 2016 |
|  | € in thousands |
Marketable securities (1) |  |  | 2,162 |  |  |  | 972 |
Short-term restricted cash (2) |  |  | 15 |  |  |  | 15 |
Restricted marketable securities (3) |  |  | 3,250 |  |  |  | - |
Long-term restricted non-interest bearing bank deposits (4) |  |  | 1,458 |  |  |  | 1,089 |
Restricted cash, long-term bank deposits (5) |  |  | 2,202 |  |  |  | 4,045 |
Long-term restricted cash and deposits |  |  | 3,660 |  |  |  | 5,134 |
| (1) | During 2016 and 2017, the Company invested in a traded Corporate Bond (rated Baa3 by Moody's) with a coupon rate of 3.389% and a maturity date of December 30, 2018. During 2017, 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 and bank deposits securing short term obligations.
| (3) | Marketable securities securing the Company's Forward contracts.
| (4) | Deposits used to secure obligations towards the land owners and to secure obligations under financial leasing agreements and loan agreements (see Notes 10 and 11).
| (5) | Bank deposits securing the Company's swap and Forward contracts. The annual interest rate as of December 31, 2016 was 0.35% - 0.4%. During 2017 the deposits were released due to the closing of the said swap and Forward contracts.

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