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Income Taxes (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Allocation of total income taxes [Abstract]    
Total tax expense on income $ 888 $ 1,320
Tax expense (benefit) on components of shareholders' equity [Abstract]    
Net unrealized gains (losses) on investment securities 671 (2,528)
Total tax expense (benefit) 1,559 (1,208)
Reconciliation of income tax (benefit) expense [Abstract]    
Federal income tax provision at statutory rate of 35% 1,233 1,998
Dividends-received deduction (95) (99)
Small life insurance company deduction (376) (582)
Other 55 42
Adjustment for prior years' estimates to actual 71 (39)
Income tax expense $ 888 $ 1,320
Effective tax rate 25.20% 23.10%
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 (2,345) $ (2,623)
Deferred and uncollected premiums (654) (677)
Net unrealized investment gains (3,140) (2,469)
Other (666) (642)
Total deferred tax liabilities (6,805) (6,411)
Deferred tax assets [Abstract]    
Insurance reserves 4,589 4,522
Impaired assets 1,454 1,474
Alternative minimum tax credit 282 504
Bad debts and other 640 740
Total deferred tax assets 6,965 7,240
Net deferred tax asset 160 829
Components of income tax expense [Abstract]    
Current - Federal 890 1,016
Deferred - Federal (2) 304
Income tax expense $ 888 $ 1,320