v3.26.1
Share - Based Compensation - Schedule of Weighted-Average Assumptions for Black-Scholes Option-Pricing Model Used (Details)
 6 Months Ended
Jun. 30, 2026
SFr / shares
Jun. 30, 2026
$ / shares
Jun. 30, 2025
SFr / shares
Jun. 30, 2025
$ / shares
Disclosure Of Terms And Conditions Of Sharebased Payment Arrangement [Line Items]        
Weighted average share price at the date of grant | (per share) [1] SFr 21.11 $ 26.82 SFr 16.11 $ 18.68
Range of expected terms [2]     6 years 3 months 6 years 3 months
Divdend yield 0.00% 0.00% 0.00% 0.00%
Bottom of Range        
Disclosure Of Terms And Conditions Of Sharebased Payment Arrangement [Line Items]        
Range of expected volatilities [3] 68.01% 68.01% 89.91% 89.91%
Range of expected terms [2] 5 years 6 months 5 years 6 months    
Range of risk-free interest rates [4] 3.75% 3.75% 3.94% 3.94%
Top of Range        
Disclosure Of Terms And Conditions Of Sharebased Payment Arrangement [Line Items]        
Range of expected volatilities [3] 86.38% 86.38% 91.39% 91.39%
Range of expected terms [2] 6 years 3 months 6 years 3 months    
Range of risk-free interest rates [4] 4.37% 4.37% 4.26% 4.26%
[1]

(1) The equity award exercise price is denominated in USD.

[2]

(3) The expected term represents the period that share-based awards are expected to be outstanding.
[3]

(2) The expected volatility was derived from the historical stock volatilities of the Company, as well as comparable peer public companies within the Company’s industry.
[4]

(4) The risk-free interest rate is based on the U.S. Treasury yield curve in effect at the measurement date with maturities approximately equal to the expected terms.