Investments (Gross Gains And Losses Realized On Sales Of Investments) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Fixed Maturity Securities [Member]
Investments [Line Items]
Gross Realized Gains	$ 9,320	$ 11,473	$ 2,675
Gross Realized Losses	(3,842)	(83)	(10,712)
Net	5,478	11,390	(8,037)
Equity Securities [Member]
Investments [Line Items]
Gross Realized Gains	82,385	19,538	41,872
Gross Realized Losses	(58,297)	(12,017)	(15,847)
Net	24,088	7,521	26,025
Short-Term Investments [Member]
Investments [Line Items]
Gross Realized Gains	0	2	120
Gross Realized Losses	(903)	(722)	0
Net	$ (903)	$ (720)	$ 120