|
Stockholders' Equity (ESPP) (Details) (ESPP, USD $)
In Thousands, unless otherwise specified
|
3 Months Ended |
6 Months Ended |
|
Jun. 30, 2014
|
Jun. 30, 2013
|
Jun. 30, 2014
|
Jun. 30, 2013
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
| Share-based compensation expense |
$ 73 |
$ 88 |
$ 189 |
$ 187 |
| Expected dividend yield assumption (in Percent) |
|
|
0.60% |
|
| Expected volatility assumption (in Percent) |
|
|
33.37% |
|
|
Three Months Ended [Member]
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
| Risk-free interest rate assumption (in Percent) |
|
|
0.07% |
|
| Expected life assumption (in Years) |
|
|
3 months |
|
|
Six Months ended [Member]
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
| Risk-free interest rate assumption (in Percent) |
|
|
0.09% |
|
| Expected life assumption (in Years) |
|
|
6 months |
|
|
Nine Months Ended [Member] | Forecast
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
| Risk-free interest rate assumption (in Percent) |
|
|
0.11% |
|
| Expected life assumption (in Years) |
|
|
9 months |
|
|
Twelve Months Ended [Member] | Forecast
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
| Risk-free interest rate assumption (in Percent) |
|
|
0.13% |
|
| Expected life assumption (in Years) |
|
|
1 year |
|