Retirement Agreements and Other Postretirement Benefit Plan Effects on Net Periodic Postretirement Benefit Cost and Accumulated Postretirement Benefit Obligation (Details) (USD $)	12 Months Ended
	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)