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Stockholders'/Members' Equity (Deficit) - Summary of Assumptions Used in Black-Scholes Model (Details)
9 Months Ended
Sep. 30, 2021
Stockholders' Equity Note [Abstract]  
Expected volatility 74.70%
Risk-free interest rate 0.99%
Expected dividend yield 0.00%
Expected term 5 years 10 months 9 days