Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Investments in an Associate - Additional Information (Details)

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Investments in an Associate - Additional Information (Details) - EUR (€)
€ in Thousands
12 Months Ended
Oct. 22, 2021
Dec. 31, 2021
Disclosure Of Significant Investments In Associates [Line Items]    
Gain from the sale of an associate   € 12,258
Swissfillon AG    
Disclosure Of Significant Investments In Associates [Line Items]    
Proportion of ownership interest In associate   26.94%
Sale and transfer of all owned shares in associate € 15,800  
Gain from the sale of an associate   € 12,258