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Retirement Agreements and Other Postretirement Benefit Plan Effects on Net Periodic Postretirement Benefit Cost and Accumulated Postretirement Benefit Obligation (Details) (USD $) | 12 Months Ended
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Dec. 31, 2013 | Dec. 31, 2012
Compensation and Retirement Disclosure [Abstract] |  |
One-Percent Point Increase: Effect on the service cost component | $ 3,790 |
One-Percent Point Increase: Effect on interest cost | 6,574 |
One-Percent Point Increase: Total effect on the net periodic postretirement benefit cost | 10,364 |
One-Percent Point Decrease: Effect on the service cost component |  | (2,860)
One-Percent Point Decrease: Effect on interest cost |  | (5,056)
One-Percent Point Decrease: Total effect on the net periodic postretirement benefit cost |  | (7,916)
One-Percent Point Increase: Effect on those currently receiving benefits (retirees and spouses) | 0 |
One-Percent Point Increase: Effect on active fully eligible | 68,198 |
One-Percent Point Increase: Effect on actives not yet eligible | 77,887 |
One-Percent Point Increase: Total effect on the accumulated postretirement benefit obligation | 146,085 |
One-Percent Point Decrease: Effect on those currently receiving benefits (retirees and spouses) |  | 0
One-Percent Point Decrease: Effect on active fully eligible |  | (53,548)
One-Percent Point Decrease: Effect on actives not yet eligible |  | (58,806)
One-Percent Point Decrease: Total effect on the accumulated postretirement benefit obligation |  | $ (112,354)

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