v3.24.0.1
Provisions (Details) - CHF (SFr)
SFr in Thousands
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Disclosure of Provisions [Line Items]      
Beginning balance SFr 12,100 SFr 19,300  
Additions 9,500 4,400  
Release (2,900) (7,300)  
Utilization (1,400) (4,400)  
Unwinding of discount 100 100  
Exchange differences (300) (100)  
Ending balance 17,100 12,100  
thereof current 7,100 5,000 SFr 14,900
thereof non-current 10,000 7,200 4,400
Social charges      
Disclosure of Provisions [Line Items]      
Beginning balance 4,300 14,000  
Additions 5,700 1,400  
Release (1,900) (6,800)  
Utilization (1,400) (4,400)  
Unwinding of discount 0 0  
Exchange differences 0 100  
Ending balance 6,800 4,300  
thereof current 6,300 4,300 14,000
thereof non-current 500 0 0
Long-service leave      
Disclosure of Provisions [Line Items]      
Beginning balance 3,800 1,700  
Additions 3,200 2,700  
Release (1,000) (500)  
Utilization 0 0  
Unwinding of discount 0 0  
Exchange differences (200) (100)  
Ending balance 5,800 3,800  
thereof current 700 500 700
thereof non-current 5,100 3,300 900
Asset retirement obligation      
Disclosure of Provisions [Line Items]      
Beginning balance 4,000 3,600  
Additions 600 300  
Release 0 0  
Utilization 0 0  
Unwinding of discount 100 100  
Exchange differences (100) (100)  
Ending balance 4,500 4,000  
thereof current 100 200 100
thereof non-current SFr 4,300 SFr 3,800 SFr 3,500