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Financial Instruments (Schedule of Change in Interest Rate Profit (Loss)) (Details) - EUR (€)
€ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Increase of 1% [Member]    
Disclosure of detailed information about financial instruments [line items]    
Gain (loss) from increase decrease in interest rate € 2,446 € 803
Increase of 3% [Member]    
Disclosure of detailed information about financial instruments [line items]    
Gain (loss) from increase decrease in interest rate 7,368 2,444
Decrease of 1% [Member]    
Disclosure of detailed information about financial instruments [line items]    
Gain (loss) from increase decrease in interest rate (2,474) (836)
Decrease of 3% [Member]    
Disclosure of detailed information about financial instruments [line items]    
Gain (loss) from increase decrease in interest rate € (7,396) € (2,477)