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Stock-Based Compensation - Schedule of Stock Option Valuation Assumptions (Details)
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Dividend rate 0.00% 0.00% 0.00% 0.00%
Minimum        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Risk-free interest rates 0.74% 0.30% 0.32% 0.30%
Expected term (in years) 5 years 5 years 1 month 6 days 3 years 6 months 5 years
Volatility 49.30% 37.50% 37.80% 37.30%
Maximum        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Risk-free interest rates 1.10% 0.40% 1.19% 1.47%
Expected term (in years) 6 years 6 months 6 years 1 month 6 days 6 years 9 months 18 days 6 years 1 month 6 days
Volatility 50.50% 37.90% 50.50% 54.00%