CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Statement of Comprehensive Income [Abstract]
Net income	$ 6,460,631	$ 7,318,433	$ 6,922,934
Other comprehensive income
Unrealized gain (loss) on securities arising during the period	1,512,600	2,911,491	(893,070)
Reclassification adjustment for securities gains realized in net income	(10,002)	(50,707)	(4,735)
Other comprehensive income (loss) before tax	1,502,598	2,860,784	(897,805)
Income tax effect related to items of other comprehensive income before tax	(315,546)	(600,765)	192,280
Other comprehensive income (loss) after tax	1,187,052	2,260,019	(705,525)
Total comprehensive income	$ 7,647,683	$ 9,578,452	$ 6,217,409