Investments (Credit Loss Component Of OTTI On Debt Securities Recognized In Earnings) (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2015	Dec. 31, 2014
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Roll Forward]
Beginning Balance	$ 18,170	$ 24,884
Additions:
Initial credit impairment	0	0
Additional credit impairment	0	0
Deductions:
Called or Sold	0	(6,714)
Ending Balance	18,170	18,170
Debt Securities [Member]
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Roll Forward]
Beginning Balance	16,586	20,186
Additions:
Initial credit impairment	0	0
Additional credit impairment	0	0
Deductions:
Called or Sold	0	(3,600)
Ending Balance	16,586	16,586
Equity Securities [Member]
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Roll Forward]
Beginning Balance	1,584	4,698
Additions:
Initial credit impairment	0	0
Additional credit impairment	0	0
Deductions:
Called or Sold	0	(3,114)
Ending Balance	$ 1,584	$ 1,584