Consolidated Statements of Comprehensive Income - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Statement of Comprehensive Income [Abstract]
Net income	$ 1,752,290	$ 1,836,461	$ 5,057,463	$ 5,258,594
Other comprehensive income
Unrealized holding gains	(556,424)	2,226,566	2,882,502	(781,509)
Income tax effect	207,546	(830,509)	(1,075,174)	291,503
Net unrealized gains	(348,878)	1,396,057	1,807,328	(490,006)
Securities transferred from available-for-sale to held-to-maturity
Amortization of net unrealized losses during the period	6,183,648	539,239	11,305,439	2,013,183
Income tax effect	(2,306,501)	(201,136)	(4,216,929)	(750,917)
Net unrealized (losses) gains, securities held-to-maturity	3,877,147	338,103	7,088,510	1,262,266
Reclassification adjustment for gains included in net income	60,053	13,699	97,191	13,699
Income tax effect	(22,400)	(5,110)	(36,252)	(5,110)
Net gains included in net income	37,653	8,589	60,939	8,589
Total other comprehensive income	3,565,922	1,742,749	8,956,777	780,849
Comprehensive income	$ 5,318,212	$ 3,579,210	$ 14,014,240	$ 6,039,443