Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Reconciliation of income tax expense (benefit) [Abstract]
Federal income tax provision at statutory rate of 21%	$ (2,148)	$ 1,110
Dividends-received deduction	(3)	(9)
Other permanent differences	11	22
Income tax expense (benefit)	$ (2,140)	1,123
Federal statutory income tax rate	21.00%
Components of income tax expense [Abstract]
Current - Federal	$ 129	0
Deferred - Federal	(2,269)	1,123
Income tax expense (benefit)	$ (2,140)	$ 1,123