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Share Based Compensation - Assumptions Used in the Black-Scholes Option Pricing Model to Estimate the Fair Value of Each Stock Option Grant (Details)
9 Months Ended
Sep. 30, 2021
$ / shares
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]  
Risk-free interest rate 0.50%
Expected term (in years) 4 years 6 months
Expected volatility 55.80%
Weighted average grant-date fair value per share of options granted $ 20.26