Segment and Geographic Information (Tables)

12 Months Ended

Dec. 31, 2015

Segment Reporting [Abstract]

Summary of Revenue and Long-lived Assets

Information regarding revenue for the three years ended December 31, 2015, 2014 and 2013 and long-lived assets as of December 31, 2015 and 2014 follows:

	Year Ended December 31,
	2015		2014		2013
	(In thousands)
Revenues
United States	$	262,558	$	223,741	$	207,519
United Kingdom		39,338		38,189		30,722
Other		1,202		844		492
Total	$	303,098	$	262,774	$	238,733

	As of December 31,
	2015		2014
	(In thousands)
Long-lived assets, as defined
United States	$	21,968	$	23,099
United Kingdom		8,910		9,057
Other		19		29
Total	$	30,897	$	32,185