Debt (Tables)

3 Months Ended

Mar. 31, 2021

Debt

Schedule of debt

Our debt consists of:

	March 31,		December 31,
(In thousands)	2021		2020
2023 Notes	$	240,984	$	240,984
2025 Notes		192,500		192,500
Total debt		433,484		433,484
Unamortized debt discount and issuance costs		(45,756)		(47,967)
Net long-term debt	$	387,728	$	385,517

Aggregate scheduled maturities of long-term debt

The aggregate scheduled maturities of our long-term debt as of March 31, 2021 were as follows:

(In thousands)
Years ending December 31:
2021 to 2022	$	—
2023		240,984
2024		—
2025		192,500
Total	$	433,484

2025 Notes

Debt

Summary of liability and equity components of convertible notes

Our outstanding 2025 Notes balances consisted of the following:

	March 31,		December 31,
(In thousands)	2021		2020
Liability component
Principal	$	192,500	$	192,500
Debt discount and issuance costs, net		(44,697)		(46,766)
Net carrying amount	$	147,803	$	145,734
Equity component, net	$	65,361	$	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, 2021 and 2020:

	Three Months Ended March 31,
(In thousands)	2021		2020
Contractual interest expense	$	1,203	$	1,203
Amortization of debt issuance costs		159		145
Amortization of debt discount		1,911		1,749
Total interest and amortization expense	$	3,273	$	3,097