Debt (Schedule Of Securities Sold Under Agreements To Repurchase) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Debt [Abstract]
Balance at year-end	$ 21,221	$ 18,548	$ 33,177
Average during the year	18,442	22,508	23,113
Maximum month-end balance	$ 22,523	$ 30,964	$ 33,582
Weighted average rate during the year (in hundredths)	0.29%	0.42%	1.00%
Rate at December 31 (in hundredths)	0.28%	0.37%	0.35%