Consolidated Statements Of Comprehensive Income (Loss) (unaudited) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Statement of Comprehensive Income [Abstract]
Net income	$ 856,641	$ 1,642,007	$ 1,849,348	$ 3,042,904
Other comprehensive income (loss):
Net unrealized loss on securities available for sale	(702,617)	(5,762,044)	(861,321)	(9,100,460)
Tax effect	197,506	1,619,711	242,118	2,558,139
Net of tax	(505,111)	(4,142,333)	(619,203)	(6,542,321)
Defined benefit retirement plans:
Reclassification adjustment for amortization of prior service cost and net gain loss included in salaries and employee benefits	(23,016)	57,850	(46,032)	115,700
Tax effect	6,470	(16,261)	12,940	(32,522)
Net of tax	(16,546)	41,589	(33,092)	83,178
Derivatives, net of tax:
Unrealized gain on swap contracts accounted for as cash flow hedges	459,058		298,344
Tax effect	(129,042)		(83,865)
Net of tax	330,016		214,479
Total other comprehensive loss	(191,641)	(4,100,744)	(437,816)	(6,459,143)
Comprehensive income (loss)	$ 665,000	$ (2,458,737)	$ 1,411,532	$ (3,416,239)