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Subsequent Events - Share options (Details) - USD ($)
$ / shares in Units, $ in Thousands
2 Months Ended 12 Months Ended
Feb. 28, 2023
Dec. 31, 2022
Dec. 31, 2021
Subsequent Event      
Number of share options granted   2,296,303  
Weighted average exercise price of options granted   $ 9.06  
Value of ordinary shares, issued     $ 102,765
Subsequent Event | At-the-market offerings under the sales agreement with Jefferies LLC | American Depositary Shares      
Subsequent Event      
Value of ordinary shares, issued $ 1,400    
Shares issued 506,478    
Subsequent Event | Stock options      
Subsequent Event      
Number of share options granted 1,973,529    
Weighted average exercise price of options granted $ 2.53