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Investments (Credit Loss Component Of OTTI On Debt Securities Recognized In Earnings) (Details) - USD ($)
$ in Thousands
 6 Months Ended 12 Months Ended
Jun. 30, 2015
Dec. 31, 2014
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Roll Forward]    
Beginning Balance $ 13,448 $ 20,984
Additions:    
Initial credit impairment 0 0
Additional credit impairment 0 0
Deductions:    
Called or Sold (160) (7,536)
Ending Balance 13,288 13,448
Debt Securities [Member]    
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Roll Forward]    
Beginning Balance 11,864 16,286
Additions:    
Initial credit impairment 0 0
Additional credit impairment 0 0
Deductions:    
Called or Sold (160) (4,422)
Ending Balance 11,704 11,864
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