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Stock-Based Compensation - Summary of option activity (Details) - USD ($)
$ / shares in Units, $ in Thousands
6 Months Ended 12 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Dec. 31, 2021
Additional Disclosures      
Weighted-average per share grant date fair value of options granted   $ 4.25  
Recognition period 1 year 8 months 12 days    
Restricted stock      
Shares      
Forfeited (in shares) (4,250)    
Additional Disclosures      
Unrecognized stock-based compensation expense related to unvested stock options $ 200    
Recognition period 3 years 8 months 12 days    
Options to purchase common stock      
Shares      
Outstanding as of beginning of period (in shares) 5,163,643    
Granted (in shares) 2,019,200    
Forfeited (in shares) (69,700)    
Outstanding as of end of period (in shares) 7,113,143   5,163,643
Options vested and exercisable (in shares) 1,416,211    
Weighted-average per-share exercise price      
Outstanding as of beginning of period (in per share) $ 4.31    
Granted (in per share) 10.63    
Forfeited (in per share) 10.41    
Outstanding as of end of period (in per share) 6.05   $ 4.31
Options vested and exercisable (in per share) $ 2.23    
Additional Disclosures      
Weighted-average remaining contractual term 9 years 14 days   9 years 3 months 14 days
Weighted-average remaining contractual term, vested and exercisable 8 years 7 months 28 days    
Aggregate intrinsic value $ 13,000   $ 44,463
Aggregate intrinsic value, vested and exercisable $ 4,839    
Weighted-average per share grant date fair value of options granted $ 7.29    
Unrecognized stock-based compensation expense related to unvested stock options $ 30,600    
Recognition period 2 years 10 months 24 days