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Nature of Business - Additional Information (Detail) - USD ($)
$ / shares in Units, $ in Thousands
Dec. 03, 2020
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Accumulated deficit   $ (186,212) $ (96,734)  
Money market funds, amortized cost   254,045 $ 386,569  
Cash, cash equivalents, and long term investments.   $ 319,100    
Common stock, shares, issued   35,133,934 34,801,537  
Redeemable Convertible Preferred Stock [Member]        
Redeemable convertible preferred stock outstanding       15,714,283
IPO [Member]        
Offering price per share $ 21.00      
Net proceeds after deducting underwriting discounts and commissions and offering expenses $ 255,300      
Common stock, shares, issued 13,225,000      
IPO [Member] | Common Stock [Member]        
Conversion of preferred stock, common shares issued 20,758,098      
IPO [Member] | Redeemable Convertible Preferred Stock [Member]        
Redeemable convertible preferred stock outstanding 77,074,884