Annual report pursuant to Section 13 and 15(d)

Equity Compensation Plans - Summary of Weighted-Average Assumptions Used (Details)

v3.20.4
Equity Compensation Plans - Summary of Weighted-Average Assumptions Used (Details)
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Weighted-average assumptions      
Expected term (in years) 5 years 10 months 17 days 5 years 9 months 3 days 6 years 2 months 19 days
Expected volatility 58.46% 54.97% 50.99%
Risk free rate 0.49% 1.71% 2.70%
Expected dividends 0.00% 0.00% 0.00%