Summary of Investments (Unrealized Appreciation) (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
Unrealized Gain (Loss) on Investments [Abstract]
Available-for-sale fixed maturities	$ 56,861	$ (91,636)
Available-for-sale equity securities	9,148	19,467
Deferred policy acquisition costs	(17,921)	29,223
Income tax effect	(16,831)	15,023
Total change in net unrealized investment appreciation, net of tax	$ 31,257	$ (27,923)