Investments Schedule of net investment income (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Investments [Abstract]
Fixed Income Securities	$ 2,670	$ 3,188	$ 3,666
Cash on hand and on deposit [Abstract]	193	333	738
Cash on hand and on deposit	275	59	60
Notes receivable	267	155	157
Other	138	141	(46)
Investment Expenses	(475)	(508)	(502)
Net Investment Income	$ 3,068	$ 3,368	$ 4,073