Investments Gross Unrealized Gains and Losses (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Gross Unrealized Gains and Losses [Line Items]
Fixed maturities available-for-sale, cost	$ 702,655	$ 667,966
Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax	33,517	41,736
Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax	5,665	2,475
Available-for-sale Securities	730,507	707,227
Held-to-maturity Securities, Debt Securities, Net Carrying Amount	236,186	224,932
Held-to-maturity Securities, Accumulated Unrecognized Holding Gain	7,224	8,907
Held-to-maturity Securities, Accumulated Unrecognized Holding Loss	1,721	948
Held-to-maturity Securities, Fair Value	241,689	232,891
Total Fixed maturity securities, Amortized Cost	938,841
Total Fixed Maturity Securities, Fair Value	972,196
Available-for-sale Equity Securities, Amortized Cost Basis	69,242	68,787
US Treasury Securities [Member]
Gross Unrealized Gains and Losses [Line Items]
Fixed maturities available-for-sale, cost	10,026	10,056
Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax	2,694	2,924
Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax	0	0
Available-for-sale Securities	12,720	12,980
US Government Agencies Debt Securities [Member]
Gross Unrealized Gains and Losses [Line Items]
Fixed maturities available-for-sale, cost	36,589	38,312
Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax	1,461	1,937
Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax	0	0
Available-for-sale Securities	38,050	40,249
Held-to-maturity Securities, Debt Securities, Net Carrying Amount	2,013	2,017
Held-to-maturity Securities, Accumulated Unrecognized Holding Gain	149	178
Held-to-maturity Securities, Accumulated Unrecognized Holding Loss	0	0
Held-to-maturity Securities, Fair Value	2,162	2,195
US States and Political Subdivisions Debt Securities [Member]
Gross Unrealized Gains and Losses [Line Items]
Fixed maturities available-for-sale, cost	440,526	404,657
Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax	15,741	19,146
Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax	3,854	1,448
Available-for-sale Securities	452,413	422,355
Held-to-maturity Securities, Debt Securities, Net Carrying Amount	207,346	192,875
Held-to-maturity Securities, Accumulated Unrecognized Holding Gain	6,336	7,782
Held-to-maturity Securities, Accumulated Unrecognized Holding Loss	1,096	388
Held-to-maturity Securities, Fair Value	212,586	200,269
Foreign Government Debt Securities [Member]
Gross Unrealized Gains and Losses [Line Items]
Fixed maturities available-for-sale, cost	104	104
Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax	28	31
Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax	0	0
Available-for-sale Securities	132	135
Corporate Debt Securities [Member]
Gross Unrealized Gains and Losses [Line Items]
Fixed maturities available-for-sale, cost	212,342	211,410
Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax	13,343	17,441
Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax	1,809	1,024
Available-for-sale Securities	223,876	227,827
Held-to-maturity Securities, Debt Securities, Net Carrying Amount	26,827	30,040
Held-to-maturity Securities, Accumulated Unrecognized Holding Gain	739	947
Held-to-maturity Securities, Accumulated Unrecognized Holding Loss	625	560
Held-to-maturity Securities, Fair Value	26,941	30,427
Commercial Mortgage Backed Securities [Member]
Gross Unrealized Gains and Losses [Line Items]
Fixed maturities available-for-sale, cost	183	223
Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax	7	8
Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax	0	0
Available-for-sale Securities	190	231
Residential Mortgage Backed Securities [Member]
Gross Unrealized Gains and Losses [Line Items]
Fixed maturities available-for-sale, cost	2,885	3,204
Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax	243	249
Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax	2	3
Available-for-sale Securities	3,126	3,450
Debt Securities [Member]
Gross Unrealized Gains and Losses [Line Items]
Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax	5,665	2,475
Held-to-maturity Securities, Accumulated Unrecognized Holding Loss	1,721	948
Total Fixed maturity securities, Amortized Cost	938,841	892,898
Debt Securities, Accumulative Gross Unrealized and Unrecognized Gains	40,741	50,643
Debt Securities, Accumulated Gross Unrealized and Unrecognized Losses	7,386	3,423
Total Fixed Maturity Securities, Fair Value	972,196	940,118
Stock Mutual Funds [Member]
Gross Unrealized Gains and Losses [Line Items]
Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax	133	66
Available-for-sale Securities	17,589	17,596
Available-for-sale Equity Securities, Amortized Cost Basis	16,007	16,005
Available-for-sale Equity Securities, Accumulated Gross Unrealized Gain, before Tax	1,715	1,657
Available-for-sale Equity Securities, Accumulated Gross Unrealized Loss, before Tax	133	66
Bond Mutual Funds [Member]
Gross Unrealized Gains and Losses [Line Items]
Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax	1,243	796
Available-for-sale Securities	50,335	50,240
Available-for-sale Equity Securities, Amortized Cost Basis	51,576	50,976
Available-for-sale Equity Securities, Accumulated Gross Unrealized Gain, before Tax	2	60
Available-for-sale Equity Securities, Accumulated Gross Unrealized Loss, before Tax	1,243	796
Common Stock [Member]
Gross Unrealized Gains and Losses [Line Items]
Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax	16	14
Available-for-sale Securities	49	51
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	16	14
Preferred Stock [Member]
Gross Unrealized Gains and Losses [Line Items]
Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax	2	2
Available-for-sale Securities	1,836	1,992
Available-for-sale Equity Securities, Amortized Cost Basis	1,594	1,741
Available-for-sale Equity Securities, Accumulated Gross Unrealized Gain, before Tax	244	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 Debt Securities, Accumulated Gross Unrealized Loss, before Tax	1,394	878
Available-for-sale Securities	69,809	69,879
Available-for-sale Equity Securities, Amortized Cost Basis	69,242	68,787
Available-for-sale Equity Securities, Accumulated Gross Unrealized Gain, before Tax	1,961	1,970
Available-for-sale Equity Securities, Accumulated Gross Unrealized Loss, before Tax	$ 1,394	$ 878