Consolidated Statements of Income (Parenthetical) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Net realized investment gains	$ 561,429	$ 1,018,415	$ 4,207,710	$ 2,204,533
Income tax expense	1,403,476	1,615,635	1,945,666	9,246,299
Reclassification out of Accumulated Other Comprehensive Income [Member]
Net realized investment gains	561,429	1,018,415	4,207,710	2,204,533
Income tax expense	$ 196,500	$ 356,446	$ 1,472,698	$ 771,587