Consolidated Statements of Changes in Shareholders' Equity (Unaudited) - USD ($)	Total	Common Stock	Additional Paid-In Capital	Treasury Stock	Accumulated Other Comprehensive Income	Retained Earnings
Balance at at Dec. 31, 2019	$ 91,758,005	$ 31,578	$ 12,308,179	$ (4,330,712)	$ 4,467,527	$ 79,281,433
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	1,064,187					1,064,187
Other Comprehensive Income, Net Of Tax:	(2,159,363)				(2,159,363)
Stock Issued During Period, Value, Employee Stock Purchase Plan	12,968	4
APIC, Share-based Payment Arrangement, ESPP, Increase for Cost Recognition			12,964
Adjustments to Additional Paid in Capital, Share-based Compensation, Stock Options, Requisite Service Period Recognition			5,909,044
Cash Dividends on Common Stock	(325,408)					(325,408)
Proceeds from Stock Options Exercised	5,912,000
Balance at at Mar. 31, 2020	96,262,389	34,538	18,230,187	(4,330,712)	2,308,164	80,020,212
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock Redeemed or Called During Period, Value		2,956
Balance at at Dec. 31, 2019	91,758,005	31,578	12,308,179	(4,330,712)	4,467,527	79,281,433
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	3,985,229
Other Comprehensive Income, Net Of Tax:	8,358,552
Balance at at Sep. 30, 2020	109,050,788	34,538	18,230,187	(4,330,712)	12,826,079	82,290,696
Balance at at Mar. 31, 2020	96,262,389	34,538	18,230,187	(4,330,712)	2,308,164	80,020,212
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	2,016,331					2,016,331
Other Comprehensive Income, Net Of Tax:	9,119,097				9,119,097
Cash Dividends on Common Stock	(325,289)					(325,289)
Balance at at Jun. 30, 2020	107,072,528	34,538	18,230,187	(4,330,712)	11,427,261	81,711,254
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	904,711					904,711
Other Comprehensive Income, Net Of Tax:	1,398,818				1,398,818
Cash Dividends on Common Stock	(325,269)					(325,269)
Balance at at Sep. 30, 2020	109,050,788	34,538	18,230,187	(4,330,712)	12,826,079	82,290,696
Balance at at Dec. 31, 2020	111,905,746	34,538	18,230,187	(4,330,712)	12,940,950	85,030,783
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	3,178,792					3,178,792
Other Comprehensive Income, Net Of Tax:	(5,465,436)				(5,465,436)
Cash Dividends on Common Stock	(357,817)					(357,817)
Balance at at Mar. 31, 2021	109,261,285	34,538	18,230,187	(4,330,712)	7,475,514	87,851,758
Balance at at Dec. 31, 2020	111,905,746	34,538	18,230,187	(4,330,712)	12,940,950	85,030,783
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	10,745,404
Other Comprehensive Income, Net Of Tax:	(4,896,320)
Balance at at Sep. 30, 2021	116,681,378	34,538	18,230,187	(4,330,712)	8,044,630	94,702,735
Balance at at Mar. 31, 2021	109,261,285	34,538	18,230,187	(4,330,712)	7,475,514	87,851,758
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	2,924,142					2,924,142
Other Comprehensive Income, Net Of Tax:	3,427,385				3,427,385
Cash Dividends on Common Stock	(357,818)					(357,818)
Balance at at Jun. 30, 2021	115,254,994	34,538	18,230,187	(4,330,712)	10,902,899	90,418,082
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	4,642,470					4,642,470
Other Comprehensive Income, Net Of Tax:	(2,858,269)				(2,858,269)
Cash Dividends on Common Stock	(357,817)					(357,817)
Balance at at Sep. 30, 2021	$ 116,681,378	$ 34,538	$ 18,230,187	$ (4,330,712)	$ 8,044,630	$ 94,702,735