Convertible Notes

3 Months Ended

Mar. 31, 2020

Debt Disclosure [Abstract]

Convertible Notes

Convertible Notes

The Company’s convertible notes are shown in the following table:

	As of
(In thousands)	March 31, 2020			December 31, 2019
2023 Notes	$	172,500		$	172,500
Unamortized discount - 2023 Notes	(20,514		)	(22,163		)
Unamortized debt issuance costs - 2023 Notes	(1,425		)	(1,549		)
Total convertible notes	$	150,561		$	148,788
Less current portion	—			—
Total long-term convertible notes	$	150,561		$	148,788

Interest expense related to the notes for the three months ended March 31, 2020 and 2019 was as follows:

	Three Months Ended
	March 31,
(In thousands)	2020		2019
2023 Notes coupon interest at a rate of 1.375%	$	593	$	593
2023 Notes amortization of discount and debt issuance costs at an additional effective interest rate of 4.9%	1,773		1,678
Total interest expense on convertible notes	$	2,366	$	2,271