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Common Stock, Preferred Stock and Warrants - Additional Information (Detail) - USD ($)
$ / shares in Units, $ in Thousands
 1 Months Ended 3 Months Ended
Aug. 06, 2020
Aug. 31, 2021
Aug. 31, 2019
Mar. 31, 2022
Mar. 31, 2021
Dec. 31, 2021
Class Of Stock [Line Items]            
Common stock, shares outstanding       126,296,892   122,945,000
Issuance of common stock and preferred stock (in shares)     18,525,000      
Common stock, par value     $ 0.001 $ 0.001   $ 0.001
Cash Settlement of warrants       $ 8,500    
Number of common stock warrants exercised       1,882,600    
Change in fair value of warrant liability       $ (1,801) $ 25,552  
Common Stock            
Class Of Stock [Line Items]            
Number of common stock allowed to purchase   4,140,000        
Warrants | Other Income, Net            
Class Of Stock [Line Items]            
Change in fair value of warrant liability       1,800 $ 25,600  
Bain Life Sciences            
Class Of Stock [Line Items]            
Net cash proceeds received from issuance or sale of equity     $ 35,000      
Offering            
Class Of Stock [Line Items]            
Net cash proceeds received from issuance or sale of equity     $ 65,600      
2017 ATM Agreement            
Class Of Stock [Line Items]            
Remaining proceeds from common stock, under sales agreement       $ 120,500    
Series B Convertible Preferred Stock            
Class Of Stock [Line Items]            
Issuance of common stock and preferred stock (in shares)   4,140 4,840      
Preferred stock, par value     $ 0.001      
Preferred stock, shares outstanding       0    
Maximum            
Class Of Stock [Line Items]            
Common stock sales agreement aggregate sales proceeds $ 150,000          
Maximum | Offering            
Class Of Stock [Line Items]            
Warrant issued     5,841,250      
Maximum | 2017 ATM Agreement            
Class Of Stock [Line Items]            
Commission on gross sales proceeds of common stock 3.00%