Segment Information (Tables)

9 Months Ended

Sep. 30, 2016

Segment Information

Summary of total revenue from customers by geographic region

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2016		2015		2016		2015
	(In thousands)				(In thousands)
United States	$	70,163	$	63,051	$	210,302	$	181,459
Outside of the United States		12,095		10,503		34,824		30,866
Total revenues	$	82,258	$	73,554	$	245,126	$	212,325