Accumulated Other Comprehensive Income (Tables)

3 Months Ended

Mar. 31, 2021

Accumulated Other Comprehensive Income

Schedule of changes in accumulated other comprehensive income

	Unrealized
	Loss on
	Marketable		Foreign
	Securities		Currency Items		Total
	(In thousands)
Balance at December 31, 2020	$	(7)	$	2,596	$	2,589
Other comprehensive loss		(2)		—		(2)
Balance at March 31, 2021	$	(9)	$	2,596	$	2,587