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Equity-Based Compensation - Summary of Weighted-Average Assumptions Used to Estimate Fair Value of Options to Acquire Shares of Company's Common Stock (Details) - Options
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Expected term (in years) 6 years 1 month 6 days 6 years 1 month 6 days
Risk-free interest rates 1.80% 2.80%
Expected volatility 73.60% 87.40%