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Financial Instruments (Schedule of Contractual Maturities of Financial Liabilities) (Details) - EUR (€) € in Thousands | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Derivative finance liabilities |  |
Financial power swap | € (20,894) | € 10,238
Currency swap | 3,274 | (132)
Carrying amount [Member] |  |
Non-derivative financial liabilities |  |
Long term loans, including current maturities | 218,895 | 198,169
Debentures | 137,299 | 82,724
Lease liabilities | 20,129 | 17,789
Trade payables and other accounts payable | 22,058 | 13,706
Total non-derivative financial liabilities | 398,381 | 312,388
Derivative finance liabilities |  |
Financial power swap | 20,894 |
Currency swap |  | 132
Swap contracts | 3,996 | 9,570
Total derivative finance liabilities | 24,890 | 9,702
Contractual cash flows [Member] |  |
Non-derivative financial liabilities |  |
Long term loans, including current maturities | 240,038 | 263,112
Debentures | 150,116 | 91,431
Lease liabilities | 25,825 | 28,910
Trade payables and other accounts payable | 22,058 | 13,706
Total non-derivative financial liabilities | 438,037 | 397,159
Derivative finance liabilities |  |
Financial power swap | 20,894 |
Currency swap |  | 132
Swap contracts | 3,996 | 9,570
Total derivative finance liabilities | 24,890 | 9,702
Less than one year [Member] |  |
Non-derivative financial liabilities |  |
Long term loans, including current maturities | 147,127 | 20,896
Debentures | 24,244 | 13,502
Lease liabilities | 4,832 | 1,051
Trade payables and other accounts payable | 22,058 | 13,706
Total non-derivative financial liabilities | 198,261 | 49,155
Derivative finance liabilities |  |
Financial power swap | 11,352 |
Currency swap |  | (12)
Swap contracts | 3,431 | 1,378
Total derivative finance liabilities | 14,783 | 1,366
Second year [Member] |  |
Non-derivative financial liabilities |  |
Long term loans, including current maturities | 20,671 | 34,645
Debentures | 66,481 | 33,368
Lease liabilities | 2,244 | 1,941
Trade payables and other accounts payable | 0 | 0
Total non-derivative financial liabilities | 89,396 | 69,954
Derivative finance liabilities |  |
Financial power swap | 14,079 |
Currency swap |  | 63
Swap contracts | 234 | 2,490
Total derivative finance liabilities | 14,313 | 2,553
3-5 year [Member] |  |
Non-derivative financial liabilities |  |
Long term loans, including current maturities | 18,347 | 32,594
Debentures | 59,391 | 44,561
Lease liabilities | 2,201 | 1,799
Trade payables and other accounts payable | 0 | 0
Total non-derivative financial liabilities | 79,939 | 78,954
Derivative finance liabilities |  |
Financial power swap | 1,961 |
Currency swap |  | 81
Swap contracts | 157 | 2,109
Total derivative finance liabilities | 2,118 | 2,190
More than 5 years [Member] |  |
Non-derivative financial liabilities |  |
Long term loans, including current maturities | 53,892 | 174,977
Debentures | 0 | 0
Lease liabilities | 16,548 | 24,119
Trade payables and other accounts payable | 0 | 0
Total non-derivative financial liabilities | 70,440 | 199,096
Derivative finance liabilities |  |
Financial power swap | (6,498) |
Currency swap |  | 0
Swap contracts | 174 | 3,593
Total derivative finance liabilities | € (6,324) | € 3,593

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