Segment Information (Tables)

12 Months Ended

Dec. 31, 2015

Segment Information

Summary of total revenue from customers by geographic region

	Year Ended December 31,
	2015		2014		2013
	(In thousands)
United States	$	246,008	$	230,657	$	223,662
Outside of the United States		41,450		45,049		37,933
Total revenues	$	287,458	$	275,706	$	261,595