|
Stock-Based Compensation (Details 6) (USD $)
In Thousands, except Share data, unless otherwise specified |
12 Months Ended | 0 Months Ended | 12 Months Ended | 0 Months Ended | 12 Months Ended | |||||
|---|---|---|---|---|---|---|---|---|---|---|
|
Dec. 31, 2013
Employee Stock Option
|
Dec. 31, 2013
Restricted Stock
|
Dec. 31, 2012
Restricted Stock
|
Dec. 31, 2011
Restricted Stock
|
Apr. 11, 2013
Restricted Stock
2012 Plan modification
|
Dec. 31, 2013
Restricted Stock
Service-based vesting
|
Mar. 31, 2013
Restricted Stock
First year performance condition achieved
|
Dec. 31, 2013
Restricted stock with performance and subsequent service conditions
|
Dec. 31, 2013
Restricted stock with performance and subsequent service conditions
Minimum
|
Dec. 31, 2013
Restricted stock with performance and subsequent service conditions
Maximum
|
|
| Stock-Based compensation | ||||||||||
| Unrecognized compensation expense related to unvested stock options | $ 2,724 | |||||||||
| Unrecognized compensation expense related to unvested stock options and restricted stock, weighted-average recognition period | 10 months 24 days | 1 year 9 months 18 days | 1 year 3 months 18 days | 3 years 3 months 18 days | ||||||
| Unrecognized compensation expense related to unvested restricted | $ 3,694 | $ 5,448 | ||||||||
| Unvested restricted stock, service condition | 2 years | |||||||||
| Vested (in shares) | 181,625 | |||||||||
| Number of performance awards valued due to modification (in shares) | 901,551 | 758,990 | 73,820 | 113,249 | ||||||
| Awards voluntarily forfeited (in shares) | 169,386 | 4,132 | 3,404 | 103,521 | ||||||