Investments Net Investment Income by Major Category (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Investments, Debt and Equity Securities [Abstract]
Net Investment Income, Insurance Entity, Fixed Maturities	$ 737	$ 608	$ 1,445	$ 1,102
Net Investment Income, Insurance Entity, Equity Securities	36	40	70	76
Net Investment Income, Insurance Entity, Cash and Cash Equivalents and Short-term Investments	4	52	9	56
Net Investment Income, Insurance Entity	777	700	1,524	1,234
Investment Income, Investment Expense	(23)	(32)	(94)	(92)
Investment Income, Net	$ 754	$ 668	$ 1,430	$ 1,142