Losses And Loss Adjustment Expenses (Narrative) (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Extraordinary Item [Line Items]
Increase in provision for insured events	$ 3,000,000		$ 18,000,000
Liability for unpaid claims in prior years	2,960,000	42,332,000	18,494,000
Catastrophe [Member]
Extraordinary Item [Line Items]
Pre-tax catastrophe losses	$ 17,000,000	$ 39,000,000	$ 18,000,000