Investment Income Table (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Investment Income, Interest and Dividend [Abstract]
Interest on fixed maturity securities	$ 10,700	$ 10,151
Dividends on equity securities	171	101
Interest on other assets	74	7
Interest on cash and cash equivalents	8	2
Total investment income	10,953	10,261
Investment Expenses	566	352
Investment income, net	$ 10,387	$ 9,909