Debt (Tables)

6 Months Ended

Jun. 30, 2019

Debt

Schedule of debt

	June 30,		December 31,
(In thousands)	2019		2018
Term B Loan	$	13,750	$	13,750
2023 Notes		240,984		240,984
2025 Notes		192,500		192,500
Total debt		447,234		447,234
Unamortized debt discount and issuance costs		(60,559)		(64,379)
Net long-term debt	$	386,675	$	382,855

Aggregate scheduled maturities of long-term debt

The aggregate scheduled maturities of our long-term debt as of June 30, 2019, are as follows:

(In thousands)
Years ending December 31:
2019 to 2021	$	—
2022		13,750
2023		240,984
Thereafter		192,500
Total	$	447,234

2025 Notes

Debt

Summary of liability and equity components of convertible notes

Our outstanding 2025 Notes balances consisted of the following:

	June 30,		December 31,
(In thousands)	2019		2018
Liability component
Principal	$	192,500	$	192,500
Debt discount and issuance costs, net		(58,261)		(61,766)
Net carrying amount	$	134,239	$	130,734
Equity component, net	$	65,361	$	65,361

Schedule of components of interest expense

	Three Months Ended June 30,				Six Months Ended June 30,
(In thousands)	2019		2018		2019		2018
Contractual interest expense	$	1,203	$	1,203	$	2,406	$	2,393
Amortization of debt issuance costs		136		125		269		248
Amortization of debt discount		1,635		1,496		3,236		2,975
Total interest and amortization expense	$	2,974	$	2,824	$	5,911	$	5,616