v3.26.1
Convertible Notes - Additional Information (Details) - USD ($)
$ / shares in Units, $ in Thousands
 6 Months Ended
Mar. 23, 2025
Feb. 18, 2025
Mar. 23, 2024
May 09, 2023
Apr. 18, 2023
Mar. 23, 2023
Jun. 30, 2026
Dec. 31, 2025
Dec. 31, 2024
Convertible Notes [Line items]                  
Aggregate purchase price paid           $ 291,000      
Convertible notes             $ 336,364 $ 333,145 $ 324,395
HH Notes                  
Convertible Notes [Line items]                  
Conversion price in ordinary shares     $ 1.89            
HH Notes | American Depositary Shares                  
Convertible Notes [Line items]                  
Lowest potential reset price March 2025             $ 28.2    
Conversion price in ordinary shares due to ADS ratio change     37.8            
Lowest potential reset price March 2025 $ 28.2                
U.S. Notes | American Depositary Shares                  
Convertible Notes [Line items]                  
Lowest potential reset price March 2025             $ 27.2    
Conversion price in ordinary shares due to ADS ratio change   $ 36.2              
Lowest potential reset price March 2025 27.2                
Hillhouse | Swedish Notes                  
Convertible Notes [Line items]                  
Aggregate principal amount of convertible debt       $ 15,000          
Hillhouse | HH Notes                  
Convertible Notes [Line items]                  
Convertible debt original discount rate       3.00%          
Convertible notes premium rate to the last reported sale price of company Ads       17.00%          
Convertible notes       $ 35,000          
Convertible notes in financing after reflecting original issue of discount       $ 34,000          
Hillhouse | HH Notes | American Depositary Shares                  
Convertible Notes [Line items]                  
Lowest potential reset price March 2025       $ 2.52          
Ordinary Shares | HH Notes                  
Convertible Notes [Line items]                  
Lowest potential reset price March 2024 before customary anti dilution adjustments     1.89            
9.25% Convertible Senior PIK Notes due 2028                  
Convertible Notes [Line items]                  
Aggregate principal amount of convertible debt         $ 300,000 $ 300,000      
Convertible debt interest rate         9.25% 9.25%      
Convertible debt original discount rate           3.00%      
Convertible notes interest rate           9.25%      
Convertible notes interest rate, payable description           payable semi-annually in arrears in cash or in payment-in-kind, at the Company’s option, on April 15 and October 15 of each year      
Convertible notes interest rate, payable start date           Oct. 15, 2023      
Convertible notes, maturity date           Sep. 14, 2028      
Lowest potential reset price March 2025           $ 2.41      
Lowest potential reset price March 2024     1.81            
Conversion of the convertible notes if the last reported sale price of the company ADSE equals or exceeds 200%           200.00%      
9.25% Convertible Senior PIK Notes due 2028 | Swedish Notes                  
Convertible Notes [Line items]                  
Lowest potential reset price March 2025 $ 1.36                
9.25% Convertible Senior PIK Notes due 2028 | U.S. Notes                  
Convertible Notes [Line items]                  
Conversion price, terms of description The conversion price of the U.S. Notes was reset again on March 23, 2025, to $27.20.                
9.25% Convertible Senior PIK Notes due 2028 | Existing Shareholders, Nativus Company Limited, Verlinvest and Blackstone Funds                  
Convertible Notes [Line items]                  
Aggregate principal amount of convertible debt           $ 200,100      
9.25% Convertible Senior PIK Notes due 2028 | Institutional Investors                  
Convertible Notes [Line items]                  
Aggregate principal amount of convertible debt           $ 99,900      
9.25% Convertible Senior PIK Notes due 2028 | Ordinary Shares | U.S. Notes                  
Convertible Notes [Line items]                  
Lowest potential reset price March 2024 ratio change from ordinary shares to ADS     $ 1.81