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Convertible Notes
 3 Months Ended
Mar. 31, 2016
Debt Disclosure [Abstract]  
Convertible Notes
Convertible Notes
The Company adopted ASU 2015-03 during the first quarter of 2016. Pursuant to the guidance in ASU 2015-03, the Company has reclassified unamortized debt issuance costs associated with the Company's 2018 Notes in the previously reported Consolidated Balance Sheet as of December 31, 2015, as follows:
(In thousands)
 
As presented December 31, 2015
 
Reclassifications
 
As adjusted December 31, 2015
Other assets
 
$
3,648

 
$
(1,483
)
 
$
2,165

Convertible notes, long-term
 
120,901

 
(1,483
)
 
119,418


The Company’s convertible notes are shown in the following table:
(In thousands)
 
As of March 31, 2016
 
As of December 31, 2015
1.125% Convertible Senior Notes due 2018
 
$
138,000

 
$
138,000

Unamortized discount
 
(15,589
)
 
(17,099
)
Unamortized debt issuance costs
 
(1,342
)
 
(1,483
)
Total convertible notes
 
$
121,069

 
$
119,418

Less current portion
 
—

 
—

Total long-term convertible notes
 
$
121,069

 
$
119,418


Interest expense related to the notes for the three months ended March 31, 2016 and 2015 was as follows:
 
Three Months Ended
 
March 31,
 
2016
 
2015
 
(In thousands)
2018 Notes coupon interest at a rate of 1.125%
$
388

 
$
403

2018 Notes amortization of discount and debt issuance costs at an additional effective interest rate of 5.5%
1,651

 
1,559

Total interest expense on convertible notes
$
2,039

 
$
1,962