Investments (Fixed Maturities Proceeds) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Fixed maturities, available-for-sale
Available For Sale
Proceeds from sales	$ 46,614	$ 78,591	$ 134,934	$ 118,477
Proceeds from maturities/repayments	150,345	165,763	302,168	347,782
Gross investment gains from sales, prepayments and maturities	2,546	5,147	5,063	6,826
Gross investment losses from sales and maturities	(242)	(517)	(633)	(924)
Fixed maturity and equity security impairments
Net writedowns for other-than-temporary impairment losses on fixed maturities recognized in earnings	(372)	(127)	(384)	(127)
Equity securities, available-for-sale
Available For Sale
Proceeds from sales	0	5,210	0	5,210
Proceeds from maturities/repayments	0	0	0	0
Gross investment gains from sales, prepayments and maturities	0	145	0	145
Gross investment losses from sales and maturities	0	0	0	0
Fixed maturity and equity security impairments
Writedowns for impairments on equity securities	$ (2)	$ 0	$ (2)	$ 0