Segment Information and Geographic Data (Tables)

12 Months Ended

Dec. 31, 2019

Segment Reporting [Abstract]

Revenues by Geographical Region

Revenues by geographical region:

	Year Ended December 31,
	2019			2018			2017
	(In thousands)
Americas	$	456,568		$	361,136		$	283,696
Europe		168,452			117,670			70,895
Asia Pacific		49,840			34,174			21,021
Total	$	674,860		$	512,980		$	375,612
Percentage of revenues generated outside of the    Americas		32	%		30	%		24	%

Long Lived Assets by Geographical Region

Total long-lived assets by geographical region:

	As of December 31, 2019			As of December 31, 2018
	(In thousands)
Americas	$	175,821		$	35,186
Europe		127,395			13,913
Asia Pacific		14,823			3,369
Total long lived assets	$	318,039		$	52,468
Percentage of long lived assets held outside of the    Americas		45	%		33	%