Schedule I. Summary of Investments Other Than Investments in Related Parties (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]
Summary of Investments, Other than Investments in Related Parties, Cost	$ 110,114	$ 110,052
Summary of Investments, Other than Investments in Related Parties, Fair Value	114,760	113,196
Summary of Investments, Other than Investments in Related Parties, Carrying Amount	114,731	113,156
Securities (Assets)
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]
Summary of Investments, Other than Investments in Related Parties, Cost	97,925	97,070
Summary of Investments, Other than Investments in Related Parties, Fair Value	101,912	99,665
Summary of Investments, Other than Investments in Related Parties, Carrying Amount	101,883	99,625
Held-to-maturity securities | U.S. Treasury securities and obligations of U.S. Government corporations and agencies
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]
Summary of Investments, Other than Investments in Related Parties, Cost	1	27
Summary of Investments, Other than Investments in Related Parties, Fair Value	1	29
Summary of Investments, Other than Investments in Related Parties, Carrying Amount	1	27
Held-to-maturity securities | Mortgage backed securities
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]
Summary of Investments, Other than Investments in Related Parties, Cost	1,615	1,863
Summary of Investments, Other than Investments in Related Parties, Fair Value	1,644	1,901
Summary of Investments, Other than Investments in Related Parties, Carrying Amount	1,615	1,863
Held-to-maturity securities | Debt Securities
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]
Summary of Investments, Other than Investments in Related Parties, Cost	1,616	1,890
Summary of Investments, Other than Investments in Related Parties, Fair Value	1,645	1,930
Summary of Investments, Other than Investments in Related Parties, Carrying Amount	1,616	1,890
Total fixed maturities
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]
Summary of Investments, Other than Investments in Related Parties, Cost	96,309	95,180
Summary of Investments, Other than Investments in Related Parties, Fair Value	100,267	97,735
Summary of Investments, Other than Investments in Related Parties, Carrying Amount	100,267	97,735
Total fixed maturities | U.S. Treasury securities and obligations of U.S. Government corporations and agencies
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]
Summary of Investments, Other than Investments in Related Parties, Cost	18,562	18,618
Summary of Investments, Other than Investments in Related Parties, Fair Value	18,451	18,518
Summary of Investments, Other than Investments in Related Parties, Carrying Amount	18,451	18,518
Total fixed maturities | Mortgage backed securities
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]
Summary of Investments, Other than Investments in Related Parties, Cost	12,892	10,970
Summary of Investments, Other than Investments in Related Parties, Fair Value	12,795	10,931
Summary of Investments, Other than Investments in Related Parties, Carrying Amount	12,795	10,931
Total fixed maturities | Debt Securities
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]
Summary of Investments, Other than Investments in Related Parties, Cost	94,467	92,837
Summary of Investments, Other than Investments in Related Parties, Fair Value	95,758	92,792
Summary of Investments, Other than Investments in Related Parties, Carrying Amount	95,758	92,792
Total fixed maturities | Banks and insurance companies
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]
Summary of Investments, Other than Investments in Related Parties, Cost	1,064	1,363
Summary of Investments, Other than Investments in Related Parties, Fair Value	1,966	1,991
Summary of Investments, Other than Investments in Related Parties, Carrying Amount	1,966	1,991
Total fixed maturities | Industrial and all other
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]
Summary of Investments, Other than Investments in Related Parties, Cost	778	980
Summary of Investments, Other than Investments in Related Parties, Fair Value	2,543	2,952
Summary of Investments, Other than Investments in Related Parties, Carrying Amount	2,543	2,952
Total fixed maturities | Equity securities
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]
Summary of Investments, Other than Investments in Related Parties, Cost	1,842	2,343
Summary of Investments, Other than Investments in Related Parties, Fair Value	4,509	4,943
Summary of Investments, Other than Investments in Related Parties, Carrying Amount	4,509	4,943
Total fixed maturities | Obligations of states and political subdivisions
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]
Summary of Investments, Other than Investments in Related Parties, Cost	13,758	14,806
Summary of Investments, Other than Investments in Related Parties, Fair Value	14,093	15,166
Summary of Investments, Other than Investments in Related Parties, Carrying Amount	14,093	15,166
Total fixed maturities | Private label asset backed securities
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]
Summary of Investments, Other than Investments in Related Parties, Cost	10,128	7,910
Summary of Investments, Other than Investments in Related Parties, Fair Value	10,510	7,774
Summary of Investments, Other than Investments in Related Parties, Carrying Amount	10,510	7,774
Total fixed maturities | Corporate debt securities
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]
Summary of Investments, Other than Investments in Related Parties, Cost	39,127	40,533
Summary of Investments, Other than Investments in Related Parties, Fair Value	39,909	40,403
Summary of Investments, Other than Investments in Related Parties, Carrying Amount	39,909	40,403
Trading Securities [Member]
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]
Summary of Investments, Other than Investments in Related Parties, Cost	107	107
Summary of Investments, Other than Investments in Related Parties, Fair Value	107	107
Summary of Investments, Other than Investments in Related Parties, Carrying Amount	107	107
Mortgage loans on real estate
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]
Summary of Investments, Other than Investments in Related Parties, Cost	162	174
Summary of Investments, Other than Investments in Related Parties, Fair Value	162	174
Summary of Investments, Other than Investments in Related Parties, Carrying Amount	162	174
Investment real estate
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]
Summary of Investments, Other than Investments in Related Parties, Cost	3,221	3,221
Summary of Investments, Other than Investments in Related Parties, Fair Value	3,221	3,221
Summary of Investments, Other than Investments in Related Parties, Carrying Amount	3,221	3,221
Policy loans
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]
Summary of Investments, Other than Investments in Related Parties, Cost	1,810	1,708
Summary of Investments, Other than Investments in Related Parties, Fair Value	1,810	1,708
Summary of Investments, Other than Investments in Related Parties, Carrying Amount	1,810	1,708
Company owned life insurance change in surrender value
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]
Summary of Investments, Other than Investments in Related Parties, Cost	4,315	4,315
Summary of Investments, Other than Investments in Related Parties, Fair Value	4,974	4,864
Summary of Investments, Other than Investments in Related Parties, Carrying Amount	4,974	4,864
Other Investments [Member]
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]
Summary of Investments, Other than Investments in Related Parties, Cost	2,574	3,457
Summary of Investments, Other than Investments in Related Parties, Fair Value	2,574	3,457
Summary of Investments, Other than Investments in Related Parties, Carrying Amount	$ 2,574	$ 3,457