Annual report pursuant to Section 13 and 15(d)

Convertible Senior Notes (Tables)

v3.10.0.1
Convertible Senior Notes (Tables)
12 Months Ended
Dec. 31, 2018
Debt Disclosure [Abstract]  
Schedule of Equity and Liability Components of the Convertible Senior Notes
The following table summarizes information about the equity and liability components of the 2019 Notes and 2023 Notes (in thousands).
December 31, 2018 December 31, 2017
Principle amount of 2019 Notes outstanding $ 27,326  $ 245,000 
Unamortized discount (including unamortized debt issuance cost) (893) (20,471)
Total current portion of notes payable $ 26,433  $ 224,529 
Principle amount of 2023 Notes outstanding $ 750,000  $ — 
Unamortized discount (including unamortized debt issuance cost) (140,136) — 
Total long-term portion of notes payable $ 609,864  $ — 
Carrying value of equity component of 2023 Notes $ 127,997  $ — 
Fair value of convertible senior notes outstanding (Level 2) $ 713,533  $ 446,360