Short-Term Borrowings (Schedule Of Short-Term Debt) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Short-term Debt [Line Items]
Short-term borrowings	$ 8,642	$ 8,056
Maximum outstanding at any month end	32,197	20,721	21,912
Average outstanding	15,522	13,082	12,624
Repurchase agreements [Member]
Short-term Debt [Line Items]
Maximum outstanding at any month end	21,653	20,721	20,912
Average outstanding	11,629	13,027	11,939
Weighted-average rate during the year	0.19%	0.25%	0.44%
Rate at year-end	0.14%	0.27%	0.26%
Demand note, U.S. Treasury [Member]
Short-term Debt [Line Items]
Maximum outstanding at any month end			1,000
Average outstanding			685
Weighted-average rate during the year			0.00%
Rate at year-end			0.00%
Federal Funds Purchased [Member]
Short-term Debt [Line Items]
Short-term borrowings	2,500
Maximum outstanding at any month end	10,544
Average outstanding	$ 3,893	$ 55
Weighted-average rate during the year	0.29%	0.41%
Rate at year-end	0.27%	0.00%