v3.22.4
Related Party Transactions - Additional Information (Detail)
$ / shares in Units, $ in Thousands
1 Months Ended 3 Months Ended 9 Months Ended
Aug. 02, 2021
USD ($)
$ / shares
shares
Oct. 31, 2022
USD ($)
$ / shares
shares
Aug. 31, 2018
Dec. 31, 2022
USD ($)
Dec. 31, 2021
USD ($)
Sep. 30, 2021
USD ($)
Jun. 30, 2021
USD ($)
Dec. 31, 2022
USD ($)
Dec. 31, 2021
USD ($)
Jun. 30, 2020
subleaseAgreement
Related Party Transaction [Line Items]                    
Related party transaction, amounts       $ 0 $ 200     $ 400 $ 300  
Capital contribution – expenses allocated from Roivant Sciences Ltd.         0 $ 38 $ 91   100  
Number of sublease agreements | subleaseAgreement                   2
Operating lease rent expense       $ 300 $ 300     $ 900 $ 900  
Price per share issued (in USD per share) | $ / shares   $ 6.00                
Consideration received from sale of stock   $ 70,200                
Roivant Sciences Ltd. (RSL) | Public Stock Offering - Shares From Existing Shareholders                    
Related Party Transaction [Line Items]                    
Number of shares issued in transaction (in shares) | shares   416,667                
Roivant Sciences Ltd. (RSL)                    
Related Party Transaction [Line Items]                    
Purchase obligation, termination notice period (in days)     90 days              
Number of shares issued in transaction (in shares) | shares 17,021,276                  
Common stock, par value (in dollars per share) | $ / shares $ 0.0001                  
Price per share issued (in USD per share) | $ / shares $ 11.75                  
Consideration received from sale of stock $ 200,000                  
Financial advisory fees $ 5,000