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Disclosure of financial instruments and risk management - Foreign currency risk (Details) - Jun. 30, 2022 - Foreign currency risk - Cash and cash equivalents
SFr in Thousands, $ in Thousands
USD ($)
CHF (SFr)
USD    
Disclosure of nature and extent of risks arising from financial instruments [line items]    
Exposure in (foreign) currency | $ $ 62,863  
CHF    
Disclosure of nature and extent of risks arising from financial instruments [line items]    
Exposure in (foreign) currency | SFr   SFr 110