|
Employee Benefit 401(k) Plans (Details) (USD $)
In Thousands, unless otherwise specified |
6 Months Ended | |
|---|---|---|
|
Jun. 30, 2011
|
Jun. 30, 2010
|
|
| Employee Benefit 401(k) Plans | Â | Â |
| Maximum employee subscription rate | 60.00% | Â |
| Minimum employee subscription rate | 1.00% | Â |
| Employee's vesting rights | Participants are always 100 percent vested in their pre-tax contributions and will begin vesting in any matching or profit sharing contributions made on their behalf after two years of service with the Company at a rate of 20 percent per year, becoming 100 percent vested after a total of six years of service with the Company. | Â |
| Expenses for employee benefit plan | $ 0 | $ 0 |
| Employer contribution to employee benefit plan | $ 0 | $ 0 |