Segment and Geographic Information (Tables)

9 Months Ended

Sep. 30, 2017

Segment Reporting [Abstract]

Summary of Revenue and Long-lived Assets

Information regarding revenue for the three and nine months ended September 30, 2017 and 2016 and long-lived assets as of September 30, 2017 and December 31, 2016 was as follows:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2017		2016		2017		2016
	(In thousands)
Revenues
United States	$	82,076	$	77,571	$	252,485	$	235,078
United Kingdom		14,250		12,433		44,277		39,165
Other		375		267		1,144		1,240
Total	$	96,701	$	90,271	$	297,906	$	275,483

	As of
	September 30, 2017		December 31, 2016
	(In thousands)
Long-lived assets, as defined
United States	$	25,602	$	23,370
United Kingdom		9,700		7,713
Other		19		21
Total	$	35,321	$	31,104