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Description of Business - Additional Information (Details) - USD ($)
$ / shares in Units, $ in Millions
1 Months Ended 3 Months Ended
Feb. 28, 2021
Jan. 31, 2021
Mar. 31, 2022
Description Of Business [Line Items]      
Entity incorporation, date of Incorporation     Mar. 31, 2011
Entity reincorporation, date of reincorporation     Oct. 27, 2015
Net cash proceeds from issuance of convertible preferred stock, common stock warrants, and convertible notes     $ 407.4
Cash, cash equivalents, and investments     $ 301.2
Follow-on Public Offering      
Description Of Business [Line Items]      
Number of shares issued and sold   4,000,000  
Public offering price per share   $ 22.50  
Net proceeds from public offering   $ 84.1  
Underwriters’ Option      
Description Of Business [Line Items]      
Number of shares issued and sold 600,000    
Public offering price per share $ 22.50    
Net proceeds from public offering $ 12.7