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Long-Term Debt - Summary of Capped Calls (Details) - USD ($)
$ / shares in Units, $ in Millions
 1 Months Ended
Sep. 30, 2020
Mar. 31, 2020
2025 Convertible Notes | Common Class A    
Debt Instrument [Line Items]    
Initial cap price per share, subject to certain adjustment (in dollars per share)   $ 360.43
2025 Convertible Notes | Capped call    
Debt Instrument [Line Items]    
Initial approximate strike price per share, subject to certain adjustments (in dollars per share)   360.43
Initial cap price per share, subject to certain adjustment (in dollars per share)   $ 480.56
Net cost incurred (in millions)   $ 60.9
2025 Convertible Notes | Capped call | Common Class A    
Debt Instrument [Line Items]    
Class A Common Stock covered, subject to anti-dilution adjustments (in millions) (in shares)   2,800,000
2026 Convertible Notes | Common Class A    
Debt Instrument [Line Items]    
Initial cap price per share, subject to certain adjustment (in dollars per share) $ 424.03  
2026 Convertible Notes | Capped call    
Debt Instrument [Line Items]    
Initial approximate strike price per share, subject to certain adjustments (in dollars per share) 424.03  
Initial cap price per share, subject to certain adjustment (in dollars per share) $ 556.10  
Net cost incurred (in millions) $ 41.8  
2026 Convertible Notes | Capped call | Common Class A    
Debt Instrument [Line Items]    
Class A Common Stock covered, subject to anti-dilution adjustments (in millions) (in shares) 1,500,000