Investments (Major Categories of Investment Income) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Schedule of Available-for-sale Securities [Line Items]
Investment income	$ 13,760	$ 16,034	$ 16,615
Investment expenses	(876)	(741)	(735)
Investment income, net of expenses	12,884	15,293	15,880
U.S. Treasury securities and obligations of U.S. Government [Member]
Schedule of Available-for-sale Securities [Line Items]
Investment income	143	53	115
Corporate Bonds [Member]
Schedule of Available-for-sale Securities [Line Items]
Investment income	2,341	4,218	3,851
Collateralized Corporate Bank Loans [Member]
Schedule of Available-for-sale Securities [Line Items]
Investment income	4,653	5,261	5,284
Municipal Bonds [Member]
Schedule of Available-for-sale Securities [Line Items]
Investment income	5,245	5,616	6,632
Collateralized Mortgage Backed Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Investment income	737	106	86
Cash and Cash Equivalents [Member]
Schedule of Available-for-sale Securities [Line Items]
Investment income	157	246	163
Parent Company [Member]
Schedule of Available-for-sale Securities [Line Items]
Investment income, net of expenses	(190)	(181)	(194)
Equity Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Investment income	$ 484	$ 534	$ 484