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Federal Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Income Tax Disclosure [Abstract]
Federal statutory tax rate	21.00%	21.00%
Income taxes at 34% statutory rate	$ 686	$ 807
Interest income on tax exempt municipal securities	(203)	(244)
Earnings on corporate owned life insurance policies	(148)	(36)
Other	(4)	(4)
Total effect of nontaxable income	(355)	(284)
Effect of nondeductible expenses	4	6
Effective Income Tax Rate Reconciliation, Tax Credit, Amount	132	180
Federal income tax expense	$ 203	$ 349

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

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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 nondeductible expenses.

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