Accumulated Other Comprehensive Income Reclassification Out Of Accumulated Other Comprehensive Income (Details) - USD ($)	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]
Net realized gain on investment	$ 103,339	$ 149,830
Unrecognized loss	(2,153)	(2,235)
Income before Income Taxes	6,451,180	2,583,461
Tax	(1,985,000)	(779,000)
Net Income	4,466,180	1,804,461
Reclassification Out Of Accumulated Other Comprehensive Income
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]
Net Income	57,519	91,618
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	90,506	186,079
Other-than-temporary impairments	0	(42,794)
Income before Income Taxes	90,506	143,285
Tax	(31,565)	(50,192)
Net Income	58,941	93,093
Reclassification Out Of Accumulated Other Comprehensive Income | Postretirement Benefits Plans
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]
Prior year service cost	0	0
Unrecognized loss	(2,153)	(2,235)
Income before Income Taxes	(2,153)	(2,235)
Tax	731	760
Net Income	$ (1,422)	$ (1,475)