Segment and Geographic Information (Tables)

12 Months Ended

Dec. 31, 2019

Segment Reporting [Abstract]

Summary of Revenue and Long-lived Assets

Information regarding revenue for the three years ended December 31, 2019, 2018 and 2017 and long-lived assets as of December 31, 2019 and 2018 follows:

	Year Ended December 31,
	2019		2018		2017
	(In thousands)
Revenues
United States	$	424,731	$	367,373	$	332,982
United Kingdom		84,076		66,241		58,991
Other		2,545		1,951		1,449
Total	$	511,352	$	435,565	$	393,422

	As of December 31,
	2019		2018
	(In thousands)
Long-lived assets, as defined
United States	$	62,356	$	55,200
United Kingdom		9,410		7,787
Other		29		23
Total	$	71,795	$	63,010