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Condensed Consolidated Statements of Stockholders' Equity - USD ($)
shares in Thousands, $ in Thousands
Total
Class A and Class B Common Stock
Additional Paid-In Capital
Accumulated Deficit
Accumulated Other Comprehensive Income (Loss)
Beginning balance at Dec. 31, 2019 $ 2,854,084 $ 3 $ 8,398,927 $ (5,547,571) $ 2,725
Beginning balance (in shares) at Dec. 31, 2019   302,596      
Increase (Decrease) in Stockholders' Equity          
Issuance of common stock upon exercise of stock options 2,329   2,329    
Issuance of common stock upon exercise of stock options (in shares)   504      
Issuance of common stock upon settlement of restricted stock units (in shares)   3,838      
Shares withheld related to net share settlement (6,763)   (6,763)    
Shares withheld related to net share settlement (in shares)   (146)      
Stock-based compensation 159,978   159,978    
Other comprehensive income (loss) (4,066)       (4,066)
Net loss (398,073)     (398,073)  
Ending balance at Mar. 31, 2020 2,607,489 $ 3 8,554,471 (5,945,644) (1,341)
Ending balance (in shares) at Mar. 31, 2020   306,792      
Beginning balance at Dec. 31, 2020 1,676,163 $ 3 8,977,061 (7,300,428) (473)
Beginning balance (in shares) at Dec. 31, 2020   323,737      
Increase (Decrease) in Stockholders' Equity          
Issuance of common stock upon exercise of stock options 3,244   3,244    
Issuance of common stock upon exercise of stock options (in shares)   488      
Issuance of common stock upon settlement of restricted stock units (in shares)   5,218      
Shares withheld related to net share settlement (7,653)   (7,653)    
Shares withheld related to net share settlement (in shares)   (130)      
Stock-based compensation 164,229   164,229    
Other comprehensive income (loss) 218       218
Net loss (427,339)     (427,339)  
Ending balance at Mar. 31, 2021 $ 1,408,862 $ 3 $ 9,136,881 $ (7,727,767) $ (255)
Ending balance (in shares) at Mar. 31, 2021   329,313