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Equity - Schedule of Assumptions Used to Determine Fair Value of and Stock Options Granted (Details) - Stock Options - $ / shares
6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Expected volatility, minimum 75.90% 70.30%
Expected volatility, maximum 78.00% 74.70%
Risk free interest rate, minimum 0.50% 0.30%
Risk free interest rate, maximum 1.20% 1.60%
Expected dividend yield 0.00% 0.00%
Minimum    
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Expected term (years) 5 years 6 months 5 years 6 months
Exercise price $ 66.82 $ 31.95
Maximum    
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Expected term (years) 7 years 7 years
Exercise price $ 82.21 $ 50.00