XML 47 R38.htm IDEA: XBRL DOCUMENT v3.22.1
Stock-Based Compensation - Summary of Weighted-Average Assumptions Used Principally in Determining Fair Value of Options Granted (Details) - $ / shares
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Fair value of common stock $ 5.84 $ 15.27
Stock Options    
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Fair value of common stock $ 8.58 $ 22.51
Expected term (in years) 6 years 6 years
Expected volatility 78.30% 79.70%
Risk-free interest rate 1.70% 0.70%
Dividend yield 0.00% 0.00%