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New Pronouncements (Tables)
 12 Months Ended
Dec. 31, 2017
Accounting Changes and Error Corrections [Abstract]  
Schedule of Error Corrections and Prior Period Adjustments
The following table summarizes the impact of the new revenue standard in the Company’s revenue, cost of revenue, and gross margin for the years ended December 31, 2017, 2016, and 2015 (in thousands):
 
2017
 
2016
 
2015
Revenue as reported
$
747,950

 
$
520,753

 
$
450,557

Adjustment to revenue
18,133

 
8,762

 
20,434

Revenue as restated
$
766,083

 
$
529,515

 
$
470,991

 
 
 
 
 
 
Cost of revenue as reported
$
168,698

 
$
115,590

 
$
102,571

Adjustment to cost of revenue
18,591

 
15,480

 
20,514

Cost of revenue as restated
$
187,289

 
$
131,070

 
$
123,085

 
 
 
 
 
 
Gross margin as reported
$
579,252

 
$
405,163

 
$
347,986

Adjustment to gross margin
(458
)
 
(6,718
)
 
(80
)
Gross margin as restated
$
578,794

 
$
398,445

 
$
347,906

 
 
 
 
 
 
Gross margin percentage as reported
77
 %
 
78
 %
 
77
 %
Adjustment to gross margin percentage
(1
)%
 
(3
)%
 
(3
)%
Gross margin percentage as restated
76
 %
 
75
 %
 
74
 %