Realized And Unrealized Investment Gains Realized and Unrealized Investment Gains (Loss) (Realized and unrealized investmetns gains(losses)) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Investments, Debt and Equity Securities [Abstract]
Fixed maturity securities, gains	$ 3,612	$ 1,941	$ 7,759	$ 4,003
Fixed maturity securities, losses	(484)	(464)	(1,561)	(2,062)
Equity securities available for sale	(42)	23,124	9,660	29,581
Investment funds	23,684	(1,076)	22,173	44,757
Real Estate Realized Gain (Loss) on Disposal	0	85,643	0	85,643
Other	787	0	8,570	0
Realized Gain (Loss) on Investments, Including Equity Method Investments, Excluding Other than Temporary Impairments and Allowances	27,557	109,168	46,601	161,922
Net investment gains	27,557	109,168	46,601	161,922
Income tax expense	(9,645)	(38,208)	(16,311)	(56,673)
Total after-tax realized investment gains	$ 17,912	$ 70,960	$ 30,290	$ 105,249