Segment and Geographic Information (Tables)

3 Months Ended

Mar. 31, 2019

Segment Reporting [Abstract]

Summary of Revenue and Long-lived Assets

Information regarding revenue for the three months ended March 31, 2019 and 2018 and long-lived assets as of March 31, 2019 and December 31, 2018 was as follows:

	Three Months Ended March 31,
	2019		2018
	(In thousands)
Revenues
United States	$	103,615	$	96,451
United Kingdom		20,267		17,751
Other		609		512
Total	$	124,491	$	114,714

	As of
	March 31, 2019		December 31, 2018
	(In thousands)
Long-lived assets, as defined
United States	$	53,518	$	55,200
United Kingdom		7,508		7,787
Other		21		23
Total	$	61,047	$	63,010