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Components of Net Periodic Pension Cost (Narrative) (Details) (USD $)
9 Months Ended
Sep. 30, 2012
Components of Net Periodic Pension Cost [Abstract]  
Defined Contribution Plan, Employer Discretionary Contribution Amount $ 450,000
Minimum amount to be funded as required by the Pension Relief Act Fifteen Year amortization of the Shortfall Amortization Base $ 453,000