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		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Investments, Debt and Equity Securities [Abstract]
Fixed maturity securities, gains	$ 1,941	$ 9,147	$ 4,003	$ 20,143
Fixed maturity securities, losses	(464)	(5,500)	(2,062)	(11,466)
Equity securities available for sale	23,124	18,086	29,581	33,331
Investment funds	(1,076)	10,843	44,757	11,037
REal Estate Realized Gain (Loss) on Disposal	85,643	0	85,643	0
Other	0	482	0	(18)
Realized Gain (Loss) on Investments, Including Equity Method Investments, Excluding Other than Temporary Impairments and Allowances	109,168	33,058	161,922	53,027
Decrease in valuation allowance	0	0	0	0
Other-than-temporary impairments	0	0	0	0
Change in valuation allowance, net of other-than-temporary impairments	0	0	0	0
Net investment gains	109,168	33,058	161,922	53,027
Income tax expense	(38,208)	(11,570)	(56,673)	(18,559)
Total after-tax realized investment gains	$ 70,960	$ 21,488	$ 105,249	$ 34,468