Investments Reconciliation, Investments by Category (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Amortized Cost Basis	$ 341,648	$ 288,776
Available-for-sale Securities, Gross Unrealized Gains	6,858	3,513
Available-for-sale Securities, Gross Unrealized Losses	1,103	3,363
Available-for-sale Securities, Debt Securities	285,849	273,024
Available-for-sale Securities, Equity Securities	17,254	15,602
Other Long-term Investments	300	300
Total investments	347,403	288,926
U.S. government and agency securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Amortized Cost Basis	91,893	98,621
Available-for-sale Securities, Gross Unrealized Gains	174	28
Available-for-sale Securities, Gross Unrealized Losses	480	1,169
Available-for-sale Securities, Debt Securities	91,587	97,480
Foreign Government Debt Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Amortized Cost Basis	3,281	3,287
Available-for-sale Securities, Gross Unrealized Gains	51	0
Available-for-sale Securities, Gross Unrealized Losses	0	60
Available-for-sale Securities, Debt Securities	3,332	3,227
States, municipalities and political subdivisions [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Amortized Cost Basis	65,604	45,556
Available-for-sale Securities, Gross Unrealized Gains	1,513	654
Available-for-sale Securities, Gross Unrealized Losses	196	433
Available-for-sale Securities, Debt Securities	66,921	45,777
Public Utility, Bonds [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Amortized Cost Basis	9,074	9,103
Available-for-sale Securities, Gross Unrealized Gains	290	122
Available-for-sale Securities, Gross Unrealized Losses	37	92
Available-for-sale Securities, Debt Securities	9,327	9,133
All Other Corporate Bonds [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Amortized Cost Basis	112,438	118,084
Available-for-sale Securities, Gross Unrealized Gains	2,153	792
Available-for-sale Securities, Gross Unrealized Losses	314	1,469
Available-for-sale Securities, Debt Securities	114,277	117,407
Redeemable Preferred Stock [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Amortized Cost Basis	406
Available-for-sale Securities, Gross Unrealized Gains	3
Available-for-sale Securities, Gross Unrealized Losses	4
Available-for-sale Securities, Debt Securities	405
Fixed Maturities [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Amortized Cost Basis	282,696	274,651
Available-for-sale Securities, Gross Unrealized Gains	4,184	1,596
Available-for-sale Securities, Gross Unrealized Losses	1,031	3,223
Available-for-sale Securities, Debt Securities	285,849	273,024
Mutual Fund [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Amortized Cost Basis	44,000
Available-for-sale Securities, Gross Unrealized Gains	0
Available-for-sale Securities, Gross Unrealized Losses	0
Available-for-sale Securities, Equity Securities	44,000
Public Utility, Equities [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Amortized Cost Basis	824	804
Available-for-sale Securities, Gross Unrealized Gains	63	23
Available-for-sale Securities, Gross Unrealized Losses	1	20
Available-for-sale Securities, Equity Securities	886	807
Other Common Stock [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Amortized Cost Basis	13,095	12,749
Available-for-sale Securities, Gross Unrealized Gains	2,607	1,894
Available-for-sale Securities, Gross Unrealized Losses	66	97
Available-for-sale Securities, Equity Securities	15,636	14,546
Nonredeemable Preferred Stock [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Amortized Cost Basis	733	272
Available-for-sale Securities, Gross Unrealized Gains	4	0
Available-for-sale Securities, Gross Unrealized Losses	5	23
Available-for-sale Securities, Equity Securities	732	249
Equity Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Amortized Cost Basis	58,652	13,825
Available-for-sale Securities, Gross Unrealized Gains	2,674	1,917
Available-for-sale Securities, Gross Unrealized Losses	72	140
Available-for-sale Securities, Equity Securities	61,254	15,602
Other Long-term Investments [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Amortized Cost Basis	300	300
Available-for-sale Securities, Gross Unrealized Gains	0	0
Available-for-sale Securities, Gross Unrealized Losses	0	0
Other Long-term Investments	$ 300	$ 300