Segment Information (Tables)

9 Months Ended

Sep. 30, 2017

Segment Reporting [Abstract]

Revenues and Long-Lived Assets, by Geographic Region

The following table presents total revenues, gross profit, and long-lived assets, excluding long-term deferred tax assets, (in thousands) according to geographic region:

Geographic regions:	Domestic		EMEA		Other Regions		Consolidated
Three months ended September 30, 2017
Total revenues	$	72,439	$	40,018	$	12,755	$	125,212
Gross profit	$	57,716	$	32,716	$	10,391	$	100,823
Three months ended September 30, 2016
Total revenues	$	82,513	$	34,636	$	12,747	$	129,896
Gross profit	$	68,084	$	28,183	$	10,694	$	106,961
Nine months ended September 30, 2017
Total revenues	$	220,177	$	107,761	$	38,460	$	366,398
Gross profit	$	175,814	$	86,936	$	31,752	$	294,502
Nine months ended September 30, 2016
Total revenues	$	228,427	$	106,833	$	36,793	$	372,053
Gross profit	$	185,052	$	86,131	$	31,011	$	302,194
As of September 30, 2017
Long-lived assets	$	59,728	$	3,542	$	1,540	$	64,810
As of December 31, 2016
Long-lived assets	$	67,031	$	3,256	$	1,341	$	71,628