Investment Securities (Gross Realized Gains And Losses On Sales Of Available-For-Sale Securities) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Investment Holdings [Line Items]
Gains	$ 3	$ 21	$ 19	$ 1,883
Losses	0	0	1	684
U.S. Treasury And Agencies [Member]
Investment Holdings [Line Items]
Gains	0	0	0	371
Losses	0	0	0	0
Obligations Of States And Political Subdivisions [Member]
Investment Holdings [Line Items]
Gains	3	8	10	10
Losses	0	0	1	1
Residential Mortgage-Backed Securities And Collateralized Mortgage Obligations [Member]
Investment Holdings [Line Items]
Gains	0	0	0	1,484
Losses	0	0	0	683
Other Debt Securities [Member]
Investment Holdings [Line Items]
Gains	0	13	9	18
Losses	$ 0	$ 0	$ 0	$ 0