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Convertible Senior Notes (Tables)
 12 Months Ended
Dec. 31, 2016
Carrying Value of Convertible Senior Notes

The carrying value of the Company’s convertible senior notes is as follows:

 

     December 31, 2016      December 31, 2015  

2.125% Convertible Senior Notes due 2021:

      

Principal amount

    $ 115,000      $ —    

Unamortized debt discount

      (16,777 )       —    

Unamortized debt issuance costs

      (2,951 )       —    
  

 

 

     

 

 

  

Total convertible senior notes

    $ 95,272      $ —