CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (UNAUDITED) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Statement of Comprehensive Income [Abstract]
Net income	$ 2,014,791	$ 1,778,153	$ 5,544,902	$ 5,116,740
Other comprehensive income (loss)
Unrealized gain (loss) on securities arising during the period	368,166	(547,867)	2,967,317	(2,362,691)
Reclassification adjustment for securities gains realized in net income			(28,897)	(4,735)
Other comprehensive income (loss) before tax	368,166	(547,867)	2,938,420	(2,367,426)
Income tax effect related to items of other comprehensive income (loss) before tax	(77,315)	115,052	(617,068)	497,159
Other comprehensive income (loss) after tax	290,851	(432,815)	2,321,352	(1,870,267)
Total comprehensive income	$ 2,305,642	$ 1,345,338	$ 7,866,254	$ 3,246,473