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Fair Value Measurements - Additional Information (Details) - Convertible notes
$ in Thousands
Mar. 31, 2021
USD ($)
0.25% Convertible senior notes due 2026  
Debt Instrument [Line Items]  
Fair value $ 609,698
0.50% Convertible senior notes due 2028  
Debt Instrument [Line Items]  
Fair value $ 245,206