Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Reconciliation of income tax expense (benefit) [Abstract]
Federal income tax provision at statutory rate of 21%	$ 511	$ (366)	$ 102	$ (430)
Dividends-received deduction	(3)	(6)	(9)	(20)
Other permanent differences	31	41	55	79
Adjustment for prior years' estimates to actual	18	(21)	18	(21)
Income tax expense (benefit)	557	(352)	$ 166	(392)
Federal statutory income tax rate			21.00%
Components of income tax expense [Abstract]
Current - Federal	705	(368)	$ 3,007	204
Deferred - Federal	(148)	16	(2,841)	(596)
Income tax expense (benefit)	$ 557	$ (352)	$ 166	$ (392)

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

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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 deduction for dividend.

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