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Federal Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Income Tax Disclosure [Abstract]
Federal statutory tax rate	21.00%	21.00%	21.00%	21.00%
Income taxes at statutory rate	$ 1,124	$ 1,496	$ 3,634	$ 4,025
Interest income on tax exempt municipal securities	(131)	(147)	(415)	(425)
Earnings on corporate owned life insurance policies	(48)	(47)	(143)	(150)
Other	(6)	(4)	(18)	(12)
Total effect of nontaxable income	(185)	(198)	(576)	(587)
Effect of nondeductible expenses	14	9	33	26
Effective Income Tax Rate Reconciliation, Tax Credit, Amount	69	74	205	215
Unrecognized Tax Benefits, Period Increase (Decrease)	53	0	53	0
Federal income tax expense	$ 937	$ 1,233	$ 2,939	$ 3,249

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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