Investments Gross Unrealized Gains and Losses (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Available-for-sale Debt Securities, Amortized Cost Basis [Abstract]
Available-for-sale Debt Securities, Amortized Cost Basis	$ 714,137	$ 667,966
Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax	29,445	41,736
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax	7,934	2,475
Available-for-sale Securities	759,086	777,106
Held-to-maturity Securities [Abstract]
Fixed maturities held-to-maturity, at amortized cost	259,953	224,932
Held-to-maturity Securities, Accumulated Unrecognized Holding Gain	7,396	8,907
Held-to-maturity Securities, Accumulated Unrecognized Holding Loss	2,383	948
Fixed maturities held-to-maturity, fair value	264,966	232,891
Total Fixed maturity securities, Amortized Cost	974,090
Total Fixed Maturity Securities, Fair Value	1,000,614
Available-for-sale Equity Securities, Amortized Cost Basis [Abstract]
Available-for-sale equity securities, amortized cost basis	23,727	68,787
Available for Sale Securities, Total	735,648	707,227
US Treasury Securities [Member]
Available-for-sale Debt Securities, Amortized Cost Basis [Abstract]
Available-for-sale Debt Securities, Amortized Cost Basis	9,995	10,056
Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax	2,597	2,924
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax	0	0
Available-for-sale Securities	12,592	12,980
US Government Agencies Debt Securities [Member]
Available-for-sale Debt Securities, Amortized Cost Basis [Abstract]
Available-for-sale Debt Securities, Amortized Cost Basis	19,676	38,312
Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax	1,104	1,937
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax	0	0
Available-for-sale Securities	20,780	40,249
Held-to-maturity Securities [Abstract]
Fixed maturities held-to-maturity, at amortized cost	2,010	2,017
Held-to-maturity Securities, Accumulated Unrecognized Holding Gain	110	178
Held-to-maturity Securities, Accumulated Unrecognized Holding Loss	0	0
Fixed maturities held-to-maturity, fair value	2,120	2,195
US States and Political Subdivisions Debt Securities [Member]
Gross Unrealized Gains and Losses [Line Items]
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	12,633	33,716
Held-to-maturity Securities, Continuous Unrealized Loss Position, Accumulated Loss	884	388
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss	3,085	1,448
Held-to-maturity Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	110	314
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	1,611	1,130
Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	774	74
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	1,474	318
Available-for-sale Debt Securities, Amortized Cost Basis [Abstract]
Available-for-sale Debt Securities, Amortized Cost Basis	470,319	404,657
Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax	15,815	19,146
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax	3,085	1,448
Available-for-sale Securities	483,049	422,355
Held-to-maturity Securities [Abstract]
Fixed maturities held-to-maturity, at amortized cost	236,776	192,875
Held-to-maturity Securities, Accumulated Unrecognized Holding Gain	6,756	7,782
Held-to-maturity Securities, Accumulated Unrecognized Holding Loss	883	388
Fixed maturities held-to-maturity, fair value	242,649	200,269
Foreign Government Debt Securities [Member]
Available-for-sale Debt Securities, Amortized Cost Basis [Abstract]
Available-for-sale Debt Securities, Amortized Cost Basis	104	104
Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax	27	31
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax	0	0
Available-for-sale Securities	131	135
Corporate Debt Securities [Member]
Gross Unrealized Gains and Losses [Line Items]
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	3,308	2,530
Held-to-maturity Securities, Continuous Unrealized Loss Position, Accumulated Loss	1,499	560
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss	4,846	1,024
Held-to-maturity Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	858	275
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	516	244
Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	641	285
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	4,330	780
Available-for-sale Debt Securities, Amortized Cost Basis [Abstract]
Available-for-sale Debt Securities, Amortized Cost Basis	211,245	211,410
Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax	9,683	17,441
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax	4,847	1,024
Available-for-sale Securities	216,081	227,827
Held-to-maturity Securities [Abstract]
Fixed maturities held-to-maturity, at amortized cost	21,167	30,040
Held-to-maturity Securities, Accumulated Unrecognized Holding Gain	530	947
Held-to-maturity Securities, Accumulated Unrecognized Holding Loss	1,500	560
Fixed maturities held-to-maturity, fair value	20,197	30,427
Commercial Mortgage Backed Securities [Member]
Available-for-sale Debt Securities, Amortized Cost Basis [Abstract]
Available-for-sale Debt Securities, Amortized Cost Basis	140	223
Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax	5	8
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax	0	0
Available-for-sale Securities	145	231
Residential Mortgage Backed Securities [Member]
Gross Unrealized Gains and Losses [Line Items]
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	133	33
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss	3	3
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	2	1
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	1	2
Available-for-sale Debt Securities, Amortized Cost Basis [Abstract]
Available-for-sale Debt Securities, Amortized Cost Basis	2,658	3,204
Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax	214	249
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax	2	3
Available-for-sale Securities	2,870	3,450
Debt Securities [Member]
Gross Unrealized Gains and Losses [Line Items]
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	16,074	36,279
Held-to-maturity Securities, Continuous Unrealized Loss Position, Accumulated Loss	2,383	948
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss	7,934	2,475
Held-to-maturity Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	968	589
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	2,129	1,375
Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	1,415	359
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	5,805	1,100
Held-to-maturity Securities [Abstract]
Total Fixed maturity securities, Amortized Cost	974,090	892,898
Debt Securities, Accumulative Gross Unrealized and Unrecognized Gains	36,841	50,643
Debt Securities, Accumulated Gross Unrealized and Unrecognized Losses	10,317	3,423
Total Fixed Maturity Securities, Fair Value	1,000,614	940,118
Equity Funds [Member]
Gross Unrealized Gains and Losses [Line Items]
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	2	0
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss	237	66
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	0	0
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	237	66
Available-for-sale Debt Securities, Amortized Cost Basis [Abstract]
Available-for-sale Securities	3,033	17,596
Available-for-sale Equity Securities, Amortized Cost Basis [Abstract]
Available-for-sale equity securities, amortized cost basis	3,270	16,005
Available-for-sale Equity Securities, Accumulated Gross Unrealized Gain, before Tax	0	1,657
Available-for-sale Equity Securities, Accumulated Gross Unrealized Loss, before Tax	237	66
Fixed Income Funds [Member]
Gross Unrealized Gains and Losses [Line Items]
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	108	0
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss	349	796
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	31	0
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	318	796
Available-for-sale Debt Securities, Amortized Cost Basis [Abstract]
Available-for-sale Securities	18,504	50,240
Available-for-sale Equity Securities, Amortized Cost Basis [Abstract]
Available-for-sale equity securities, amortized cost basis	18,798	50,976
Available-for-sale Equity Securities, Accumulated Gross Unrealized Gain, before Tax	55	60
Available-for-sale Equity Securities, Accumulated Gross Unrealized Loss, before Tax	349	796
Common Stock [Member]
Gross Unrealized Gains and Losses [Line Items]
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	21	4
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss	22	14
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	21	13
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	1	1
Available-for-sale Debt Securities, Amortized Cost Basis [Abstract]
Available-for-sale Securities	43	51
Available-for-sale Equity Securities, Amortized Cost Basis [Abstract]
Available-for-sale equity securities, amortized cost basis	65	65
Available-for-sale Equity Securities, Accumulated Gross Unrealized Gain, before Tax	0	0
Available-for-sale Equity Securities, Accumulated Gross Unrealized Loss, before Tax	22	14
Preferred Stock [Member]
Gross Unrealized Gains and Losses [Line Items]
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	1	0
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss	2	2
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	1	0
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	1	2
Available-for-sale Debt Securities, Amortized Cost Basis [Abstract]
Available-for-sale Securities	1,858	1,992
Available-for-sale Equity Securities, Amortized Cost Basis [Abstract]
Available-for-sale equity securities, amortized cost basis	1,594	1,741
Available-for-sale Equity Securities, Accumulated Gross Unrealized Gain, before Tax	266	253
Available-for-sale Equity Securities, Accumulated Gross Unrealized Loss, before Tax	2	2
Equity Securities [Member]
Gross Unrealized Gains and Losses [Line Items]
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	132	4
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss	610	878
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	53	13
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	557	865
Available-for-sale Debt Securities, Amortized Cost Basis [Abstract]
Available-for-sale Securities	23,438	69,879
Available-for-sale Equity Securities, Amortized Cost Basis [Abstract]
Available-for-sale equity securities, amortized cost basis	23,727	68,787
Available-for-sale Equity Securities, Accumulated Gross Unrealized Gain, before Tax	321	1,970
Available-for-sale Equity Securities, Accumulated Gross Unrealized Loss, before Tax	$ 610	$ 878