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Stock Based Compensation - Additional Information (Details) - USD ($)
$ / shares in Units, $ in Thousands
1 Months Ended 12 Months Ended
Oct. 31, 2021
Dec. 31, 2023
Dec. 31, 2022
Stock-based compensation      
Vesting of early exercised options (in shares)   14,745 53,741
Unvested early exercises of stock options   $ 100 $ 200
Proceeds from exercise of stock options   $ 443 $ 284
Restricted stock units, vested (in shares)   138,361  
ESPP      
Stock-based compensation      
Stock authorized for issuance (in shares)   839,539 563,115
Stock Options      
Stock-based compensation      
Aggregate intrinsic value of stock options exercised   $ 2,100 $ 1,000
Proceeds from exercise of stock options   $ 1,200 $ 200
Weighted-average grant-date fair value of stock options granted (in dollars per share)   $ 9.23 $ 7.51
Unrecognized compensation cost   $ 20,700  
Unrecognized compensation cost, weighted-average period for recognition   2 years 2 months 12 days  
Outstanding restricted stock      
Stock-based compensation      
Vesting period   4 years  
Unrecognized compensation cost   $ 15,100  
Unrecognized compensation cost, weighted-average period for recognition   3 years 2 months 1 day  
Outstanding restricted stock | Tranche One      
Stock-based compensation      
Vesting percentage   25.00%  
Outstanding restricted stock | Tranche Two      
Stock-based compensation      
Vesting percentage   25.00%  
Outstanding restricted stock | Tranche Three      
Stock-based compensation      
Vesting percentage   25.00%  
Outstanding restricted stock | Tranche Four      
Stock-based compensation      
Vesting percentage   25.00%  
2021 Plan      
Stock-based compensation      
Shares annual increase as percentage   4.00%  
Stock authorized for issuance (in shares)   6,336,068 5,262,917
2016 Stock Plan      
Stock-based compensation      
Stock authorized for issuance (in shares)   2,044,585 2,206,655
2021 Employee Stock Purchase Plan | ESPP      
Stock-based compensation      
Shares annual increase as percentage 1.00%    
Stock authorized for issuance (in shares) 278,762    
Shares remaining available for future issuance (in shares) 557,524