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Share-Based Compensation - Summary of Weighted-average Inputs and Assumptions used to Estimate Grant-date Fair Value of Stock Options (Details)
9 Months Ended
Sep. 30, 2020
$ / shares
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]  
Estimated fair value of common stock $ 2.01
Exercise price $ 2.01
Expected term (in years) 6 years 1 month 6 days
Risk-free interest rate 0.38%
Expected volatility 55.30%
Dividend yield 0.00%