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Investee Companies and other investments (Schedule of Changes in Investments) (Details) - EUR (€) € in Thousands | 12 Months Ended
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Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Changes in equity and loans: |  |  |
Balance as at January 1 | € 28,161 | € 30,820 |
Repayment of long term loans | (370) | (4,576) |
Interest and reevaluation in connection with long term loans | 782 | 1,079 |
Deferred interest | 54 | 52 |
Elimination of interest on loan from related party | (868) | (1,130) |
The Company's share of income | 3,086 | 2,545 | € 1,531
Foreign currency translation adjustments | 2,716 | (629) |
Balance as at December 31 | € 33,561 | € 28,161 | € 30,820

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