Consolidated Statements of Changes in Shareholders' Equity (Unaudited) - USD ($)	Cumulative Effect, Period of Adoption, Adjustment [Member] Common Stock [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member] Additional Paid-in Capital [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member] AOCI Attributable to Parent [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member] Retained Earnings [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	AOCI Attributable to Parent [Member]	Retained Earnings [Member]	Total
Balance (in shares) at Dec. 31, 2021						7,745,404
Balance at Dec. 31, 2021						$ 774,541	$ 22,948,637	$ 2,521,730	$ (8,663,152)	$ 17,581,756
Common stock issued, $7 per share (in shares)						1,518
Common stock issued, $7 per share						$ 152	10,474	0	0	10,626
Costs associated with common stock issued						0	(3,653)	0	0	(3,653)
Other comprehensive income (loss)						0	0	(8,311,415)	0	(8,311,415)
Net income (loss)						$ 0	0	0	(2,974,106)	(2,974,106)
Balance (in shares) at Sep. 30, 2022						7,746,922
Balance at Sep. 30, 2022						$ 774,693	22,955,458	(5,789,685)	(11,637,258)	6,303,208
Balance (in shares) at Jun. 30, 2022						7,746,922
Balance at Jun. 30, 2022						$ 774,693	22,955,458	(3,855,080)	(11,385,828)	8,489,243
Common stock issued, $7 per share (in shares)						0
Common stock issued, $7 per share						$ 0	0	0	0	0
Costs associated with common stock issued						0	0	0	0	0
Other comprehensive income (loss)						0	0	(1,934,605)	0	(1,934,605)
Net income (loss)						$ 0	0	0	(251,430)	(251,430)
Balance (in shares) at Sep. 30, 2022						7,746,922
Balance at Sep. 30, 2022						$ 774,693	22,955,458	(5,789,685)	(11,637,258)	6,303,208
Balance (in shares) at Dec. 31, 2022						7,746,922
Balance at Dec. 31, 2022	$ 0	$ 0	$ 0	$ (150,373)	$ (150,373)	$ 774,693	22,955,458	(3,841,120)	(11,819,637)	8,069,394
Common stock issued, $7 per share (in shares)						2,000
Common stock issued, $7 per share						$ 200	13,800	0	0	14,000
Costs associated with common stock issued						0	(4,768)	0	0	(4,768)
Other comprehensive income (loss)						0	0	(1,316,243)	0	(1,316,243)
Net income (loss)						$ 0	0	0	795,259	795,259
Balance (in shares) at Sep. 30, 2023						7,748,922
Balance at Sep. 30, 2023						$ 774,893	22,964,490	(5,157,363)	(11,174,751)	7,407,269
Balance (in shares) at Jun. 30, 2023						7,748,922
Balance at Jun. 30, 2023						$ 774,893	22,964,490	(3,542,067)	(11,006,159)	9,191,157
Common stock issued, $7 per share (in shares)						0
Common stock issued, $7 per share						$ 0	0	0	0	0
Costs associated with common stock issued						0	0	0	0	0
Other comprehensive income (loss)						0	0	(1,615,296)	0	(1,615,296)
Net income (loss)						$ 0	0	0	(168,592)	(168,592)
Balance (in shares) at Sep. 30, 2023						7,748,922
Balance at Sep. 30, 2023						$ 774,893	$ 22,964,490	$ (5,157,363)	$ (11,174,751)	$ 7,407,269