Employee Benefit 401(k) Plans (Details) (USD $) In Thousands, unless otherwise specified |
9 Months Ended | |
|---|---|---|
Sep. 30, 2011 |
Sep. 30, 2010 |
|
| Employee Benefit 401(k) Plans [Abstract] | ||
| Maximum employee subscription rate, percentage of compensation | 60.00% | |
| Minimum employee subscription rate, percentage of compensation | 1.00% | |
| 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. | |
| Expenses for employee benefit plan | $ 0 | $ 0 |
| Employer contribution to employee benefit plan | $ 0 | $ 0 |
| X | ||||||||||
- Definition Share Based Compensation Arrangement By Share Based Payment Award Minimum Employee Subscription Rate
|
| X | ||||||||||
- Definition The amount of payment into the fund established for purposes of making future disbursements to the individual in accordance with the terms and understanding of the deferred compensation arrangement.
|
| X | ||||||||||
- Definition Costs and payments related to employee benefits and equity-based compensation, such as pension expense and contributions, other postretirement benefits expense and payments, stock or unit options expense, and amortization of restricted stock or unit. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Definition Description of award terms as to how many shares or portion of an award are no longer contingent on satisfaction of either a service condition, market condition or a performance condition, thereby giving the employee the legal right to convert the award to shares, to sell the shares, and be entitled to the cash proceeds of such sale. For example, vesting may be expressed as being 25 percent of the shares under option on each anniversary of the grant date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition The highest percentage of annual salary that an employee is permitted to utilize with respect to the plan. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|