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Debt - 2026 Convertible Notes (Details)
3 Months Ended
Mar. 16, 2021
USD ($)
day
$ / shares
Feb. 28, 2020
USD ($)
day
$ / shares
Dec. 31, 2021
USD ($)
day
$ / shares
Dec. 31, 2020
USD ($)
$ / shares
Debt Instrument [Line Items]        
Total net proceeds   $ 344,700,000    
Class A voting common stock        
Debt Instrument [Line Items]        
Common stock, par value (in usd per share) | $ / shares     $ 0.001 $ 0.001
2026 Convertible Notes        
Debt Instrument [Line Items]        
Redemption period scheduled trading day before the maturity date   40 days    
Cash redemption price, percent   100.00%    
2026 Convertible Notes | Class A voting common stock        
Debt Instrument [Line Items]        
Common stock, par value (in usd per share) | $ / shares   $ 0.001    
2026 Convertible Notes | Convertible notes        
Debt Instrument [Line Items]        
Principal   $ 400,000,000 $ 400,000,000 $ 400,000,000
Stated rate   0.25%    
Conversion price (in usd per share) | $ / shares   $ 91.03 $ 91.03 $ 91.03
Conversion option   $ 125,200,000    
Effective interest rate   6.763%    
Carrying amount of equity component   $ 57,500,000    
Annual effective interest rate   6.907%    
Issuance costs attributable to the liability component   $ 8,200,000    
Issuance costs   $ 3,700,000 $ 3,742,000 $ 3,742,000
2026 Convertible Notes | Convertible notes | Conversion option 2        
Debt Instrument [Line Items]        
Trading days | day   5    
Consecutive trading days | day   10    
2026 Convertible Notes | Convertible notes | Class A voting common stock        
Debt Instrument [Line Items]        
Conversion ratio   0.0109857    
2026 Convertible Notes | Convertible notes | Class A voting common stock | Conversion option 1        
Debt Instrument [Line Items]        
Stock price trigger percent   130.00% 130.00%  
Trading days | day   20 20  
Consecutive trading days | day   30 30  
2026 Convertible Notes | Convertible notes | Class A voting common stock | Conversion option 2        
Debt Instrument [Line Items]        
Stock price trigger percent   98.00%    
0.50% Convertible senior notes due 2028 | Class A voting common stock        
Debt Instrument [Line Items]        
Common stock, par value (in usd per share) | $ / shares $ 0.001      
0.50% Convertible senior notes due 2028 | Convertible notes        
Debt Instrument [Line Items]        
Principal $ 250,000,000   $ 250,000,000 0
Stated rate 0.50%      
Total net proceeds $ 217,000,000      
Conversion price (in usd per share) | $ / shares $ 179.27   $ 179.27  
Cash redemption price, percent 100.00%      
Conversion option $ 66,900,000      
Effective interest rate 5.125%      
Carrying amount of equity component $ 39,400,000      
Annual effective interest rate 4.959%      
Issuance costs attributable to the liability component $ 5,500,000      
Issuance costs $ 2,000,000   $ 2,019,000 $ 0
0.50% Convertible senior notes due 2028 | Convertible notes | Conversion option 1        
Debt Instrument [Line Items]        
Trading days | day 20      
Consecutive trading days | day 30      
0.50% Convertible senior notes due 2028 | Convertible notes | Conversion option 2        
Debt Instrument [Line Items]        
Trading days | day 5      
Consecutive trading days | day 10      
0.50% Convertible senior notes due 2028 | Convertible notes | Class A voting common stock        
Debt Instrument [Line Items]        
Conversion ratio 0.0055781      
0.50% Convertible senior notes due 2028 | Convertible notes | Class A voting common stock | Conversion option 1        
Debt Instrument [Line Items]        
Stock price trigger percent 130.00%      
0.50% Convertible senior notes due 2028 | Convertible notes | Class A voting common stock | Conversion option 2        
Debt Instrument [Line Items]        
Stock price trigger percent 98.00%