Debt (Tables)

3 Months Ended

Mar. 31, 2018

Debt

Schedule of debt

	March 31,			December 31,
(In thousands)	2018			2017
Senior secured term loans	$	123,750		$	243,750
Convertible subordinated notes due 2023	240,984			240,984
Convertible senior notes due 2025	192,500			192,500
Total debt	557,234			677,234
Unamortized debt discount and issuance costs	(72,643		)	(77,872		)
Current portion of senior secured term loan	—			(25,000		)
Net long-term debt	$	484,591		$	574,362

Aggregate scheduled maturities of long-term debt

The aggregate scheduled maturities of our long-term debt as of March 31, 2018, are as follows:

(In thousands)
Years ending December 31:
2018 to 2021	$	—
2022	123,750
Thereafter	433,484
Total	$	557,234

2025 Notes

Debt

Summary of liability and equity components of convertible notes

Our outstanding 2025 Notes balances as March 31, 2018, consisted of the following:

(In thousands)
Liability component
Principal	$	192,500
Debt discount and issuance costs, net	(66,740		)
Net carrying amount	$	125,760
Equity component, net	$	65,361

Schedule of components of interest expense

The following table sets forth total interest expense recognized related to the 2025 Notes for the three months ended March 31, 2018:

(In thousands)
Contractual interest expense	$	1,190
Amortization of debt issuance costs	123
Amortization of debt discount	1,479
Total interest and amortization expense	$	2,792