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Common Stock - Additional Information (Detail)
$ / shares in Units, $ in Thousands
 3 Months Ended 6 Months Ended
Jun. 25, 2021
USD ($)
shares
Jun. 30, 2021
USD ($)
$ / shares
shares
Jun. 30, 2021
USD ($)
$ / shares
shares
Dec. 31, 2020
$ / shares
shares
Stock Issued During Period, Shares, New Issues 5,365,899      
Stockholders' Equity Note, Stock Split, Exchange Ratio 0.0322   0.0322  
Stock Issued During Period, Value, Conversion of Units | $   $ 86,707 $ 86,707  
Common stock, shares authorized (in shares)   100,000,000 100,000,000 196,000,000
Common stock, par value (in shares) | $ / shares   $ 0.001 $ 0.001 $ 0.001
Common stock, shares issued (in shares) 5,365,899 6,637,081 6,637,081 527,265
Common stock, shares outstanding (in shares)   6,637,081 6,637,081 527,265
Common Stock, Other Shares, Outstanding subject to repurchase   8,767 8,767  
Dividends common stock | $     $ 0  
Common Stock, Voting Rights     one  
Common Stock        
Stock Issued During Period, Shares, New Issues   1,136,849 1,136,849  
Stock Issued During Period, Shares, Conversion of Units (1,136,849) 3,692,912 3,692,912  
Stock Issued During Period, Value, Conversion of Units | $ $ 30,000 $ 4 $ 4  
Common stock, shares authorized (in shares)   100,000,000 100,000,000  
Common stock, par value (in shares) | $ / shares   $ 0.001 $ 0.001  
Private Tempest Preferred Stock        
Stock Issued During Period, Shares, Conversion of Units (3,692,912)