Segment and Geographic Information (Tables)

12 Months Ended

Dec. 31, 2014

Segment Reporting [Abstract]

Summary of Revenue and Long-lived Assets

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

	Year Ended December 31,
	2014		2013		2012
	(In thousands)
Revenues
United States	$	223,741	$	207,519	$	177,280
United Kingdom		38,189		30,722		13,344
Other		844		492		216
Total	$	262,774	$	238,733	$	190,840

	As of December 31,
	2014		2013
	(In thousands)
Long-lived assets, as defined
United States	$	23,099	$	24,382
United Kingdom		9,057		8,305
Other		29		17
Total	$	32,185	$	32,703