Accumulated Other Comprehensive Income (Tables)

9 Months Ended

Sep. 30, 2018

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, 2017	$	(32)	$	2,596	$	2,564
Other comprehensive loss		18		—		18
Balance at September 30, 2018	$	(14)	$	2,596	$	2,582