Convertible Senior Notes (Tables)

3 Months Ended

Mar. 31, 2020

Debt Disclosure [Abstract]

Convertible Debt

	March 31,		December 31,
	2020		2019
	(In thousands)
Principal amount	$	210,000	$	210,000
Unamortized discount		(45,329)		(47,660)
Unamortized issuance costs attributable to principal amount		(3,925)		(4,127)
Total Convertible Notes, net	$	160,746	$	158,213