Summary of Investments (Unrealized Appreciation) (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
Unrealized Gain (Loss) on Investments [Abstract]
Available-for-sale fixed maturities	$ 44,586	$ (105,296)
Available-for-sale equity securities	3,872	27,352
Deferred policy acquisition costs	(13,764)	34,098
Income tax effect	(12,143)	15,346
Total change in net unrealized investment appreciation, net of tax	$ 22,551	$ (28,500)