Debt (Tables)

9 Months Ended

Sep. 30, 2018

Debt

Schedule of debt

	September 30,		December 31,
(In thousands)	2018		2017
Term B Loan	$	13,750	$	243,750
2023 Notes		240,984		240,984
2025 Notes		192,500		192,500
Total debt		447,234		677,234
Unamortized debt discount and issuance costs		(66,232)		(77,872)
Current portion of Term B Loan		—		(25,000)
Net long-term debt	$	381,002	$	574,362

Aggregate scheduled maturities of long-term debt

The aggregate scheduled maturities of our long-term debt (consisting of our Term B Loan, 2023 Notes and 2025 Notes) as of September 30, 2018, are as follows:

(In thousands)
Years ending December 31:
2018 to 2021	$	—
2022		13,750
Thereafter		433,484
Total	$	447,234

2025 Notes

Debt

Summary of liability and equity components of convertible notes

Our outstanding 2025 Notes balances as of September 30, 2018, consisted of the following:

(In thousands)
Liability component
Principal	$	192,500
Debt discount and issuance costs, net		(63,460)
Net carrying amount	$	129,040
Equity component, net	$	65,361

Schedule of components of interest expense

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
(In thousands)	2018		2017		2018		2017
Contractual interest expense	$	1,203	$	722	$	3,596	$	722
Amortization of debt issuance costs		127		69		375		69
Amortization of debt discount		1,532		834		4,507		834
Total interest and amortization expense	$	2,862	$	1,625	$	8,478	$	1,625