Annual report pursuant to Section 13 and 15(d)

Debt Instruments (Tables)

v3.6.0.2
Debt Instruments (Tables)
 12 Months Ended
Dec. 31, 2016
Debt Disclosure [Abstract]  
Schedule of long-term debt Long-term debt, net consisted of the following:

 
As of December 31,
 
2015
 
2016
 
(in thousands)
1.75% convertible senior notes due 2020
$
345,000

 
$
345,000

Credit facility
—

 
90,000

Unamortized discount and deferred issuance costs
(110,423
)
 
(92,753
)
Long-term debt, net
$
234,577

 
$
342,247

Summary of the effective interest rate, contractually stated interest expense and costs related to amortization of discount for the Notes The following table outlines the effective interest rate, contractually stated interest expense and costs related to the amortization of the discount for the Notes:
 
Year ended December 31,
 
2015
2016
 
(in thousands except for effective interest rate)
Effective interest rate
10.18
%
10.18
%
Contractually stated interest expense
$
369

$
6,046

Amortization of discount
$
1,084

$
18,315