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Common Stock - Narrative (Details)
Mar. 31, 2021
vote
$ / shares
shares
Dec. 31, 2020
$ / shares
shares
Class A common stock    
Class of Stock [Line Items]    
Common stock, number of votes per share | vote 1  
Common stock, shares authorized (in shares) 2,250,000,000 2,250,000,000
Common stock, par value (in dollars per share) | $ / shares $ 0.001 $ 0.001
Common stock, shares issued (in shares) 255,958,244 249,401,232
Common stock, shares outstanding (in shares) 255,958,244 249,401,232
Class B common stock    
Class of Stock [Line Items]    
Common stock, number of votes per share | vote 10  
Common stock, shares authorized (in shares) 315,000,000 315,000,000
Common stock, par value (in dollars per share) | $ / shares $ 0.001 $ 0.001
Common stock, shares issued (in shares) 54,566,838 59,238,742
Common stock, shares outstanding (in shares) 54,566,838 59,238,742