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Stock-Based Compensation - Schedule of Valuation Assumptions (Details)
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Stock options outstanding      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Dividend rate 0.00% 0.00% 0.00%
ESPP      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Dividend rate 0.00%    
Minimum | Stock options outstanding      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Risk-free interest rates 0.32% 0.30% 1.51%
Expected term (in years) 3 years 6 months 5 years 5 years
Volatility 37.80% 37.30% 53.80%
Minimum | ESPP      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Risk-free interest rates 0.06%    
Expected term (in years) 4 months 24 days    
Volatility 37.70%    
Maximum | Stock options outstanding      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Risk-free interest rates 1.19% 1.47% 2.47%
Expected term (in years) 6 years 9 months 18 days 6 years 7 months 6 days 10 years
Volatility 50.50% 54.00% 54.00%
Maximum | ESPP      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Risk-free interest rates 0.30%    
Expected term (in years) 1 year 10 months 24 days    
Volatility 56.00%