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Stockholders' Equity - Narrative (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
3 Months Ended 9 Months Ended
May 13, 2021
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Debt Instrument [Line Items]          
Purchases of convertible note hedge contracts       $ 100,142 $ 0
Equity instruments excluded from diluted net earnings per share calculation as the effect would have been antidilutive (in shares)   140 119 142 113
Deferred tax asset recognized through equity       $ 24,400  
Number of shares called by warrant 2,800        
Warrant, strike price (in dollars per share) $ 259.84        
Warrant premium 100.00%        
Proceeds from issuance of warrants concurrent with note hedge contracts       $ 48,484 $ 0
Convertible Notes          
Debt Instrument [Line Items]          
Conversion price $ 165.65 $ 165.65   $ 165.65  
Convertible Debt Securities          
Debt Instrument [Line Items]          
Equity instruments excluded from diluted net earnings per share calculation as the effect would have been antidilutive (in shares)       2,800