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Federal Income Taxes (Reconciliation of the provision for federal income taxes) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income Tax Disclosure [Abstract]
Income taxes at 34% statutory rate	$ 4,585	$ 5,637	$ 4,903
Interest income on tax exempt municipal securities	(552)	(587)	(643)
Earnings on corporate owned life insurance policies	(193)	(197)	(225)
Other	292	329	312
Total effect of nontaxable income	(453)	(455)	(556)
Effect of nondeductible expenses	86	45	46
Effect of tax credits	(602)	(621)	(617)
Unrecognized Tax Benefits	49	0	72
Federal income tax expense	$ 3,665	$ 4,606	$ 3,848

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to tax credits. Including, but not limited to, research credit, foreign tax credit, investment tax credit, and other tax credits.

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