Investments, Aggregated by Type and Industry (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2017 USD ($) Securities Issuer	Dec. 31, 2016 USD ($)
Investments aggregated by type and industry [Abstract]
Carrying value	$ 208,041	$ 210,670
Gross unrealized gains	5,591	5,706
Gross unrealized losses	5,210	5,541
Cost or amortized cost	207,660	210,505
Carrying value	23,401	20,257
Gross unrealized gains	11,948	8,804
Gross unrealized losses	0	0
Cost or amortized cost	11,453	11,453
Other invested assets	9,542	9,709
Other invested assets, cost or amortized cost	9,542	9,709
Policy loans	2,181	2,265
Policy loans, cost or amortized cost	2,181	2,265
Real estate	38	38
Real estate, cost or amortized cost	38	38
Investment in unconsolidated trusts	1,238	1,238
Investment in unconsolidated trusts, cost or amortized cost	1,238	1,238
Total investments	244,441	244,177
Total investments, gross unrealized gains	17,539	14,510
Total investments, gross unrealized losses	5,210	5,541
Total investments, cost or amortized cost	232,112	235,208
Amortized cost of bonds on deposit with insurance regulatory authorities	$ 11,020	11,435
Number of securities in unrealized loss position | Securities	71
Oil and Gas Properties [Member]
Investments aggregated by type and industry [Abstract]
Gross unrealized losses	$ 1,246
Fixed maturity investments, number of issuers | Issuer	8
Fixed Maturities - U.S. Treasury Securities and Obligations of U.S. Government Agencies and Authorities [Member]
Investments aggregated by type and industry [Abstract]
Carrying value	$ 29,469	31,102
Gross unrealized gains	194	197
Gross unrealized losses	513	553
Cost or amortized cost	29,788	31,458
Fixed Maturities - Obligations of States and Political Subdivisions [Member]
Investments aggregated by type and industry [Abstract]
Carrying value	17,690	17,572
Gross unrealized gains	624	625
Gross unrealized losses	184	308
Cost or amortized cost	17,250	17,255
Fixed Maturities - Corporate Securities [Member]
Investments aggregated by type and industry [Abstract]
Carrying value	160,690	161,804
Gross unrealized gains	4,773	4,884
Gross unrealized losses	4,513	4,680
Cost or amortized cost	160,430	161,600
Fixed Maturities - Utilities and Telecom [Member]
Investments aggregated by type and industry [Abstract]
Carrying value	18,065	18,034
Gross unrealized gains	1,476	1,462
Gross unrealized losses	69	88
Cost or amortized cost	16,658	16,660
Fixed Maturities - Financial Services [Member]
Investments aggregated by type and industry [Abstract]
Carrying value	52,480	57,282
Gross unrealized gains	2,097	1,880
Gross unrealized losses	765	911
Cost or amortized cost	51,148	56,313
Fixed Maturities - Other Business - Diversified [Member]
Investments aggregated by type and industry [Abstract]
Carrying value	48,320	57,419
Gross unrealized gains	852	1,071
Gross unrealized losses	2,120	2,337
Cost or amortized cost	49,588	58,685
Fixed Maturities - Other Consumer - Diversified [Member]
Investments aggregated by type and industry [Abstract]
Carrying value	41,825	29,069
Gross unrealized gains	348	471
Gross unrealized losses	1,559	1,344
Cost or amortized cost	43,036	29,942
Fixed Maturities - Redeemable Preferred Stocks [Member]
Investments aggregated by type and industry [Abstract]
Carrying value	192	192
Gross unrealized gains	0	0
Gross unrealized losses	0	0
Cost or amortized cost	192	192
Fixed Maturities - Other Consumer Diversified [Member]
Investments aggregated by type and industry [Abstract]
Carrying value	192	192
Gross unrealized gains	0	0
Gross unrealized losses	0	0
Cost or amortized cost	192	192
Equity Securities - Utilities and Telecom [Member]
Investments aggregated by type and industry [Abstract]
Carrying value	1,462	1,601
Gross unrealized gains	498	637
Gross unrealized losses	0	0
Cost or amortized cost	964	964
Equity Securities - Financial Services [Member]
Investments aggregated by type and industry [Abstract]
Carrying value	5,588	5,402
Gross unrealized gains	760	574
Gross unrealized losses	0	0
Cost or amortized cost	4,828	4,828
Equity Securities - Other Business Diversified [Member]
Investments aggregated by type and industry [Abstract]
Carrying value	250	244
Gross unrealized gains	203	197
Gross unrealized losses	0	0
Cost or amortized cost	47	47
Equity Securities - Other Consumer Diversified [Member]
Investments aggregated by type and industry [Abstract]
Carrying value	16,101	13,010
Gross unrealized gains	10,487	7,396
Gross unrealized losses	0	0
Cost or amortized cost	$ 5,614	$ 5,614