Accumulated Other Comprehensive Income Reclassification Out Of Accumulated Other Comprehensive Income (Details) (USD $)	3 Months Ended
	Mar. 31, 2014		Mar. 31, 2013
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]
Net realized gain on investment	$ 492,137		$ 16,344
Prior year service cost	554		(380)
Unrecognized loss	0		(1,573)
Income before Income Taxes	1,356,515		4,751,418
Tax	(371,000)		(1,365,000)
Net Income	985,515		3,386,418
Reclassification Out Of Accumulated Other Comprehensive Income
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]
Net Income	322,465		10,694
Reclassification Out Of Accumulated Other Comprehensive Income | Unrealized Gains And Losses On Available-For-Sale Securities
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]
Net realized gain on investment	502,199		34,829
Other-than-temporary impairments	(10,062)		(18,485)
Income before Income Taxes	492,137		16,344
Tax	(169,306)		(4,862)
Net Income	322,831		11,482
Reclassification Out Of Accumulated Other Comprehensive Income | Postretirement Benefits Plans
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]
Prior year service cost	(554)		380
Unrecognized loss	0		(1,573)
Income before Income Taxes	(554)	[1]	(1,193)	[1]
Tax	188		405
Net Income	$ (366)		$ (788)

[1] These accumulated other comprehensive income components are not reclassified to net income in their entirety in the same reporting period. The amounts are presented within salaries, employee benefits and payroll taxes on the Consolidated Statements of Income as amortized. Amortization and accretion related to postretirement benefit plans is included in the computation of net periodic pension costs, as discussed in Note 5.