Investments - Available-for-sale Securities (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Available-for-sale Securities, Fair Value to Amortized Cost Basis [Abstract]
Fixed maturity securities, amortized cost	$ 112,260	$ 107,213
Fixed maturity securities, gross unrealized gain	1,636	693
Fixed maturity securities, gross unrealized loss	(55)	(813)
Fixed maturity securities, Estimated Fair Value	113,841	107,093
Equity securities, amortized cost	3,371	3,341
Equity securities, gross unrealized gain	1,164	1,006
Equity securities, gross unrealized loss	(35)	(107)
Equity securities, Estimated Fair Value	4,500	4,240
Securities, cost or amortized cost	115,631	110,554
Securities, gross unrealized gain	2,800	1,699
Securities, gross unrealized loss	(90)	(920)
Securities, Estimated Fair Value	118,341	111,333
U.S. Government obligations
Available-for-sale Securities, Fair Value to Amortized Cost Basis [Abstract]
Fixed maturity securities, amortized cost	5,862	5,474
Fixed maturity securities, gross unrealized gain	55	47
Fixed maturity securities, gross unrealized loss	(1)	(13)
Fixed maturity securities, Estimated Fair Value	5,916	5,508
State and local government
Available-for-sale Securities, Fair Value to Amortized Cost Basis [Abstract]
Fixed maturity securities, amortized cost	11,472	14,391
Fixed maturity securities, gross unrealized gain	469	398
Fixed maturity securities, gross unrealized loss	(10)	(6)
Fixed maturity securities, Estimated Fair Value	11,931	14,783
Corporate debt
Available-for-sale Securities, Fair Value to Amortized Cost Basis [Abstract]
Fixed maturity securities, amortized cost	34,261	39,183
Fixed maturity securities, gross unrealized gain	441	84
Fixed maturity securities, gross unrealized loss	(33)	(483)
Fixed maturity securities, Estimated Fair Value	34,669	38,784
Commercial mortgage-backed and other asset-backed
Available-for-sale Securities, Fair Value to Amortized Cost Basis [Abstract]
Fixed maturity securities, amortized cost	60,665	48,165
Fixed maturity securities, gross unrealized gain	671	164
Fixed maturity securities, gross unrealized loss	(11)	(311)
Fixed maturity securities, Estimated Fair Value	61,325	48,018
Common stocks - Public Utilities
Available-for-sale Securities, Fair Value to Amortized Cost Basis [Abstract]
Equity securities, amortized cost	172	122
Equity securities, gross unrealized gain	37	20
Equity securities, gross unrealized loss	0	(1)
Equity securities, Estimated Fair Value	209	141
Common stocks - Banks, Trusts and Insurance Companies
Available-for-sale Securities, Fair Value to Amortized Cost Basis [Abstract]
Equity securities, amortized cost	455	503
Equity securities, gross unrealized gain	164	150
Equity securities, gross unrealized loss	(1)	(7)
Equity securities, Estimated Fair Value	618	646
Common stocks - Industrial, miscellaneous and all other
Available-for-sale Securities, Fair Value to Amortized Cost Basis [Abstract]
Equity securities, amortized cost	2,744	2,716
Equity securities, gross unrealized gain	963	836
Equity securities, gross unrealized loss	(34)	(99)
Equity securities, Estimated Fair Value	$ 3,673	$ 3,453

Amount before tax of unrealized gain in accumulated other comprehensive income (AOCI) on investments in debt securities classified as available-for-sale.

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