Investments (Details 4) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Proceeds received from sales of fixed maturities and equity securities
Proceeds received, Fixed maturity securities	$ 52,940	$ 99,182
Proceeds received, Equity securities	3,648	4,834
Fixed Maturity Securities [Member]
Proceeds received from sales of fixed maturities and equity securities
Gross gains realized	1,527	4,512
Gross losses realized	(675)	(10)
Equity Securities [Member]
Proceeds received from sales of fixed maturities and equity securities
Gross gains realized	479	568
Gross losses realized	$ (117)	$ (215)