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Financial Instruments (Schedule of Composition of Derivatives) (Details) € in Thousands, $ in Thousands | Jun. 30, 2021 EUR (€) | Jun. 30, 2021 USD ($) | [1] | Dec. 31, 2020 EUR (€)
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Disclosure of detailed information about financial instruments [line items] |  |  |
Derivatives presented under current assets | € 42 |  | € 78
Derivatives presented under non-current assets | 2,276 | $ 2,705 | 10,238
Derivatives presented under current liabilities | (2,531) |  | (1,378)
Derivatives presented under non-current liabilities | (6,297) | $ (7,485) | (8,336)
Financial power swap [Member] |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |
Derivatives presented under non-current assets | 1,592 |  | 10,238
Derivatives presented under current liabilities | (1,195) |  | 0
Currency swap [Member] |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |
Derivatives presented under current assets | 42 |  | 12
Derivatives presented under non-current assets | 684 |  | 0
Derivatives presented under non-current liabilities | 0 |  | (144)
Forward contracts [Member] |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |
Derivatives presented under current assets | 0 |  | 66
Swap contracts [Member] |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |
Derivatives presented under current liabilities | (1,336) |  | (1,378)
Derivatives presented under non-current liabilities | € (6,297) |  | € (8,192)
[1] | Convenience translation into US$ (exchange rate as at June 30, 2021: EUR 1 = US$ 1.189)

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- Definition The amount of non-current derivative financial assets. [Refer: Derivative financial assets] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 55 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_55&doctype=Standard -URIDate 2020-01-01 + Details
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