Quarterly report pursuant to Section 13 or 15(d)

Convertible Senior Notes (Tables)

v3.19.1
Convertible Senior Notes (Tables)
3 Months Ended
Mar. 31, 2019
Debt Disclosure [Abstract]  
Schedule of Carrying Values and Coupon Rates on Financing Arrangements
The following table summarizes information about the equity and liability components of the 2019 Notes and 2023 Notes (in thousands): 
March 31, 2019 December 31, 2018
Principal amount of 2019 Notes outstanding $ 27,323  $ 27,326 
Unamortized discount (including unamortized debt issuance cost) (567) (893)
Total current portion of notes payable $ 26,756  $ 26,433 
Principal amount of 2023 Notes outstanding $ 750,000  $ 750,000 
Unamortized discount (including unamortized debt issuance cost) (133,013) (140,136)
Total long-term portion of notes payable $ 616,987  $ 609,864 
Fair value of convertible senior notes outstanding (Level 2) $ 687,180  $ 713,533