Realized And Unrealized Investment Gains Realized and Unrealized Investment Gains (Loss) (Realized and unrealized investmetns gains(losses)) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Investments, Debt and Equity Securities [Abstract]
Fixed maturity securities, gains	$ 13,803	$ 19,500	$ 17,263	$ 39,643
Fixed maturity securities, losses	(2,208)	(739)	(3,727)	(12,205)
Equity securities available for sale	9,729	25,158	39,310	58,489
Investment funds	50,919	(34)	95,675	11,003
Real Estate Realized Gain (Loss) on Disposal	15	0	85,659	0
Other	0	(16)	0	(34)
Realized Gain (Loss) on Investments, Including Equity Method Investments, Excluding Other than Temporary Impairments and Allowances	72,258	43,869	234,180	96,896
Net investment gains	72,258	43,869	234,180	96,896
Income tax expense	(25,290)	(15,355)	(81,963)	(33,914)
Total after-tax realized investment gains	$ 46,968	$ 28,514	$ 152,217	$ 62,982