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Convertible Senior Notes (Tables)
9 Months Ended
Sep. 30, 2020
Carrying Value of Convertible Senior Notes
The net carrying value of the liability component of the 2019 Notes is as follows:
 
    
As of
 
    
September 30,
2020
    
December 31,
2019
 
    
(Amounts in thousands)
 
0.375% convertible senior notes due 2024:
     
Principal amount
   $ 287,500      $ 287,500  
Less: unamortized debt discount
     (40,764      (47,921
Less: unamortized debt issuance costs
     (5,794      (6,812
  
 
 
    
 
 
 
Total debt
     240,942        232,767  
Less: current portion
     —          —    
  
 
 
    
 
 
 
Net carrying amount
   $ 240,942      $ 232,767