Annual report pursuant to Section 13 and 15(d)

Net Loss per Share (Details)

v3.22.0.1
Net Loss per Share (Details) - USD ($)
shares in Thousands, $ in Millions
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Adjustment for accumulated dividends on convertible preferred shares   $ 42.0
Early exercise of unvested stock options    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Antidilutive securities excluded from computation of earnings per share amount (in shares) 2,500 5,280
Options to purchase Common Stock    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Antidilutive securities excluded from computation of earnings per share amount (in shares) 265 324
Restricted Common Stock shares    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Antidilutive securities excluded from computation of earnings per share amount (in shares) 3,552 7,587
Restricted Stock Units (RSUs)    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Antidilutive securities excluded from computation of earnings per share amount (in shares) 24,855 8,524