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Stock-Based Compensation - Summary of Assumptions Used in Black-Scholes Model (Details) - $ / shares
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Expected term (years) 6 years 2 months 26 days 6 years 3 months
Expected volatility 83.18% 87.30%
Risk-free interest rate 1.02% 0.50%
Dividend yield 0.00% 0.00%
Fair value underlying common stock $ 2.95 $ 0.18