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Stock Incentive Plans - Schedule of Stock Options Valuation Assumptions Using a Black-Scholes Option Pricing Model (Details) - $ / shares
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Expected volatility, minimum 63.20% 64.00%
Expected volatility, maximum 63.50% 64.70%
Weighted-average risk-free interest rate, minimum 0.74% 2.48%
Weighted-average risk-free interest rate, maximum 1.73% 2.60%
Expected term (in years) 6 years 3 months 6 years 3 months
Minimum [Member]    
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Underlying common stock fair value $ 17.00 $ 21.43
Maximum    
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Underlying common stock fair value $ 21.75 $ 28.13