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)
€ in Thousands, SFr in Millions
12 Months Ended
Oct. 22, 2021
CHF (SFr)
Dec. 31, 2021
EUR (€)
Dec. 31, 2020
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 | SFr SFr 15.8    
Gain from the sale of an associate   € 12,258