Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Provision for Income Taxes
Current federal income tax expense	$ 946	$ 2,325	$ 2,244
Deferred federal income tax expense/(benefit)	209	62	(82)
Income tax expense	$ 1,155	$ 2,387	$ 2,162

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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