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Consolidated Balance Sheets (Parenthetical) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Jun. 04, 2021
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Statement of Financial Position [Abstract]          
Redeemable convertible preferred stock, par value (in dollars per share)   $ 0.0001 $ 0.00001    
Redeemable convertible preferred stock, authorized (in shares)   100,000,000 63,877,518    
Redeemable convertible preferred stock, issued (in shares)     63,756,438    
Redeemable convertible preferred stock, outstanding (in shares) 0   63,756,438 61,288,000 45,145,000
Redeemable convertible preferred stock, liquidation preference     $ 165,562    
Common stock, par value (in dollars per share) $ 0.0001 $ 0.0001 $ 0.0001    
Common stock, authorized (in shares) 1,000,000,000 1,000,000,000 1,000,000,000    
Common stock, issued (in shares) 141,592,388 140,500,000 8,168,780    
Common stock outstanding (in shares) 141,592,388 140,500,000 8,168,780    
Shares subject to vesting restrictions (in shares) 738,000