Summary of Investments (Unrealized Appreciation) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Unrealized Gain (Loss) on Investments [Abstract]
Available-for-sale fixed maturities	$ 28,563	$ (9,598)
Equity securities	2,945	17,978
Deferred policy acquisition costs	(8,920)	4,871
Income tax effect	(7,907)	(4,637)
Total change in net unrealized investment appreciation, net of tax	$ 14,681	$ 8,614