Accumulated Other Comprehensive Income (Tables)

6 Months Ended

Jun. 30, 2019

Accumulated Other Comprehensive Income

Summary of changes in accumulated other comprehensive income

	Unrealized
	Gain/(Loss) on
	Marketable		Foreign
	Securities		Currency Items		Total
	(In thousands)
Balance at December 31, 2018	$	(13)	$	2,596	$	2,583
Other comprehensive gain		55		—		55
Balance at June 30, 2019	$	42	$	2,596	$	2,638