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Financial Instruments (Schedule of Sensitivity Analysis of Equity) (Details) - EUR (€) € in Thousands | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020
Currency Risk Five Percentage Of Euro In Crease Equity [Member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Change in exchange rate of Increase (Decrease) of Equity | € 111 | € 79
Currency Risk Five Percentage Of Euro Decrease Equity [Member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Change in exchange rate of Increase (Decrease) of Equity | (111) | (79)
5% in NIS Increase Equity [Member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Change in exchange rate of Increase (Decrease) of Equity | (1,098) | 290
Currency Risk Five Percentage Of Nis Decrease Equity [Member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Change in exchange rate of Increase (Decrease) of Equity | € 1,098 | € (290)

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