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Income Taxes (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Allocation of total income taxes [Abstract]      
Total tax expense on income   $ 828 $ 888
Tax expense on components of shareholders' equity [Abstract]      
Net unrealized gains on investment securities   2,111 671
Total tax expense   2,939 1,559
Reconciliation of income tax expense (benefit) [Abstract]      
Federal income tax provision at statutory rate of 35%   1,875 1,233
Dividends-received deduction   (92) (95)
Small life insurance company deduction   (613) (376)
Other   72 55
Remeasurement of deferred taxes due to tax reform enactment   (395) 0
Adjustment for prior years' estimates to actual   (19) 71
Income tax expense   $ 828 $ 888
Effective tax rate   15.50% 25.20%
Federal statutory income tax rate   35.00%  
SLD as percentage of life insurance company taxable income   60.00%  
Percentage of reduction in SLD   15.00%  
Tentative amount of LICTI to reduction of SLD   $ 3,000  
Tentative amount of LICTI to phase out of SLD   15,000  
Deferred tax liabilities [Abstract]      
Deferred acquisition costs   (1,200) $ (2,345)
Deferred and uncollected premiums   (377) (654)
Net unrealized investment gains   (3,150) (3,140)
Other   (331) (666)
Total deferred tax liabilities   (5,058) (6,805)
Deferred tax assets [Abstract]      
Insurance reserves   3,216 4,589
Impaired assets   869 1,454
Alternative minimum tax credit   0 282
Bad debts and other   380 640
Total deferred tax assets   4,465 6,965
Net deferred tax liability   (593) 0
Net deferred tax asset   0 160
Components of income tax expense [Abstract]      
Current - Federal   2,186 890
Deferred - Federal   (1,358) (2)
Income tax expense   $ 828 $ 888
Plan [Member]      
Reconciliation of income tax expense (benefit) [Abstract]      
Federal statutory income tax rate 21.00%