Accumulated Other Comprehensive Income (Tables)

3 Months Ended

Mar. 31, 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 loss		19		—		19
Balance at March 31,2019	$	6	$	2,596	$	2,602