Annual report pursuant to Section 13 and 15(d)

Net Loss Per Share Attributable to Common Stockholders - Outstanding Securities Considered Anti-Dilutive (Details)

v3.20.1
Net Loss Per Share Attributable to Common Stockholders - Outstanding Securities Considered Anti-Dilutive (Details) - shares
shares in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]    
Antidilutive securities excluded from computation of earnings per share (in shares) 7,189 6,708
Convertible Preferred Stock    
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]    
Antidilutive securities excluded from computation of earnings per share (in shares) 6,256 5,048
Common Stock Options and RSUs    
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]    
Antidilutive securities excluded from computation of earnings per share (in shares) 924 1,639
Warrants for Common Stock    
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]    
Antidilutive securities excluded from computation of earnings per share (in shares) 9 21