|
Summary of Treasury Stock Activity (Parenthetical) (Detail) (USD $)
|
12 Months Ended |
|---|---|
|
Dec. 31, 2013
|
|
| Schedule of Treasury Stock [Line Items] | |
| Common stock repurchased value as result of restricted stock forfeitures and canceled | $ 0.001 |
|
Minimum
|
|
| Schedule of Treasury Stock [Line Items] | |
| Market Value of Restricted Shares | $ 22.40 |
|
Maximum
|
|
| Schedule of Treasury Stock [Line Items] | |
| Market Value of Restricted Shares | $ 30.23 |
| X | ||||||||||
|
- Definition
Common stock repurchased value as result of restricted stock forfeitures and canceled. No definition available.
|
| X | ||||||||||
|
- Definition
Market value per share of restricted shares withheld by company related to restricted stock vesting No definition available.
|
| X | ||||||||||
|
- Details
|