XML 207 R113.htm IDEA: XBRL DOCUMENT v3.20.4
Net Loss per Share - Basic and Diluted Net Loss per Share Attributable to Common Stockholders (Details) - USD ($)
$ / shares in Units, $ in Thousands
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Numerator:      
Net loss $ (747,064) $ (514,021) $ (384,734)
Premium paid on repurchase of preferred stock 0 0 (4,127)
Cumulative dividends on redeemable convertible preferred stock 0 0 (12,996)
Net loss attributable to common stockholders $ (747,064) $ (514,021) $ (401,857)
Denominator:      
Weighted average common shares used in net loss per share attributable to common stockholders, basic and diluted (in shares) 381,333,059 330,802,136 81,114,183
Net loss per share attributable to common stockholders, basic and diluted (usd per share) $ (1.96) $ (1.55) $ (4.95)