Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Provision for Income Taxes
Current federal income tax expense	$ 984	$ 946	$ 2,325
Deferred federal income tax expense/(benefit)	310	209	62
Income tax expense	$ 1,294	$ 1,155	$ 2,387

Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.

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Data Type:	xbrli:monetaryItemType
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Period Type:	duration