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Stock-Based Compensation
 6 Months Ended
Jun. 30, 2017
Share-based Compensation [Abstract]  
Stock-Based Compensation
Stock-based Compensation
Stock-based compensation is classified in the Condensed Consolidated Statements of Comprehensive Income in the same expense line items as cash compensation. The following table presents the classification of stock-based compensation:
 
Three Months Ended June 30,
 
Six Months Ended June 30,
2017
 
2016
 
2017
 
2016
 
(In thousands)
Cost of revenues
$
1,802

 
$
1,747

 
$
3,537

 
$
3,588

Sales and marketing
1,457

 
1,457

 
2,886

 
3,090

Research and development
1,482

 
1,587

 
2,978

 
3,290

General and administrative
8,634

 
6,341

 
16,537

 
12,923

Total stock-based compensation expense
$
13,375

 
$
11,132

 
$
25,938

 
$
22,891


The following table presents the nature of the Company’s total stock-based compensation:
 
Three Months Ended June 30,
 
Six Months Ended June 30,
 
2017
 
2016
 
2017
 
2016
 
(In thousands)
RSUs
$
9,220

 
$
8,625

 
$
18,374

 
$
17,758

Performance-based RSUs
3,804

 
2,285

 
6,892

 
4,662

ESPP
960

 
822

 
1,941

 
1,670

Capitalization (Included in Property and equipment, net)
(609
)
 
(600
)
 
(1,269
)
 
(1,199
)
Total stock-based compensation expense
$
13,375

 
$
11,132

 
$
25,938

 
$
22,891