CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (UNAUDITED) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Statement of Comprehensive Income [Abstract]
Net income	$ 1,840,847	$ 1,726,357	$ 3,530,111	$ 3,338,587
Other comprehensive income
Unrealized gain (loss) on securities arising during the period	1,343,539	(477,253)	2,599,154	(1,814,824)
Reclassification adjustment for securities gains realized in net income	(28,900)	(387)	(28,900)	(4,735)
Other comprehensive income (loss) before tax	1,314,639	(477,640)	2,570,254	(1,819,559)
Income tax effect related to items of other comprehensive income before tax	(276,074)	88,186	(539,753)	382,107
Other comprehensive income (loss) after tax	1,038,565	(389,454)	2,030,501	(1,437,452)
Total comprehensive income	$ 2,879,412	$ 1,336,903	$ 5,560,612	$ 1,901,135