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Share-Based Payment (Schedule of Expenses Recognized in Financial Statements) (Details) - EUR (€)
€ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Disclosure of terms and conditions of share-based payment arrangement [abstract]      
Expenses arising from share-based payment Transactions € 50 € 8 € 5