Benefit Plans (Details Textuals) (USD $) In Millions	6 Months Ended
Jun. 30, 2011
Benefit Plans (Textuals) [Abstract]
Management anticipates contributing	$ 10.0
Matching contribution to the savings plan	Contribution to $.50 for each $1.00 up to 1% of an employee’s qualifying salary

Name:

us-gaap_DefinedBenefitPlanEstimatedFutureEmployerContributionsInCurrentFiscalYear

Namespace Prefix:

us-gaap

Data Type:

xbrli:monetaryItemType

Balance Type:

debit

Period Type:

instant