|
Stock-based Compensation Plans and Awards (Details 2) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
|
Jun. 30, 2014
|
Jun. 30, 2013
|
Jun. 30, 2014
|
Jun. 30, 2013
|
|
| Stock-based compensation expenses: | ||||
| Total stock-based compensation expense | $ 20,613 | $ 10,138 | $ 38,005 | $ 16,662 |
|
Cost of Sales [Member]
|
||||
| Stock-based compensation expenses: | ||||
| Total stock-based compensation expense | 1,032 | 482 | 1,913 | 895 |
|
Research and Development Expense [Member]
|
||||
| Stock-based compensation expenses: | ||||
| Total stock-based compensation expense | 4,426 | 2,394 | 7,887 | 3,839 |
|
Selling and Marketing Expense [Member]
|
||||
| Stock-based compensation expenses: | ||||
| Total stock-based compensation expense | 9,922 | 5,027 | 18,233 | 9,448 |
|
General and Administrative Expense [Member]
|
||||
| Stock-based compensation expenses: | ||||
| Total stock-based compensation expense | $ 5,233 | $ 2,235 | $ 9,972 | $ 2,480 |