Investments, Unrealized Investment Losses by Investment Class (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Continuous unrealized loss position [Abstract]
Debt/Equity securities, Unrealized (Losses)	$ 2,519	$ 1,028
Debt/Equity securities, Less than 12 months	2,355	863
Debt/Equity securities, 12 months or longer	164	165
Debt Securities [Member]
Continuous unrealized loss position [Abstract]
Debt/Equity securities, Unrealized (Losses)	1,530	531
Debt/Equity securities, Less than 12 months	1,489	402
Debt/Equity securities, 12 months or longer	41	129
United States Government Obligations and Authorities [Member]
Continuous unrealized loss position [Abstract]
Debt/Equity securities, Unrealized (Losses)	418	75
Debt/Equity securities, Less than 12 months	401	22
Debt/Equity securities, 12 months or longer	17	53
Obligations of States and Political Subdivisions [Member]
Continuous unrealized loss position [Abstract]
Debt/Equity securities, Unrealized (Losses)	255	70
Debt/Equity securities, Less than 12 months	255	66
Debt/Equity securities, 12 months or longer	0	4
Corporate [Member]
Continuous unrealized loss position [Abstract]
Debt/Equity securities, Unrealized (Losses)	762	332
Debt/Equity securities, Less than 12 months	738	260
Debt/Equity securities, 12 months or longer	24	72
International [Member]
Continuous unrealized loss position [Abstract]
Debt/Equity securities, Unrealized (Losses)	95	54
Debt/Equity securities, Less than 12 months	95	54
Debt/Equity securities, 12 months or longer	0	0
Common Stock [Member]
Continuous unrealized loss position [Abstract]
Debt/Equity securities, Unrealized (Losses)	989	497
Debt/Equity securities, Less than 12 months	866	461
Debt/Equity securities, 12 months or longer	$ 123	$ 36