Segment Information (Tables)

9 Months Ended

Sep. 30, 2017

Segment Reporting [Abstract]

Schedule of Geographical Areas of Which Company Operates

The following table presents information about geographic areas in which the Company operates (in thousands):

	Three Months Ended   September 30,					Nine Months Ended   September 30,
	2017		2016			2017		2016
Revenues(1):
United States	$	154,815	$	165,933		$	498,744	$	502,776
International
Europe(2)	127,687		(9,540		)	300,379		188,223
Other foreign countries	24,197		23,022			70,434		66,875
	151,884		13,482			370,813		255,098
Total	$	306,699	$	179,415		$	869,557	$	757,874

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(1) Revenues are attributed to countries based on location of customer.

(2) Based on the financial information that is used to produce the general-purpose financial statements, providing further geographic information is impracticable.