Investment Securities (Gross Realized Gains And Losses On Sales Of Available-For-Sale Securities) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Investment Holdings [Line Items]
Gains	$ 9	$ 1,484	$ 16	$ 1,862
Losses	1	454	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	0	0	7	2
Losses	1	0	1	1
Residential Mortgage-Backed Securities And Collateralized Mortgage Obligations [Member]
Investment Holdings [Line Items]
Gains	0	1,484	0	1,484
Losses	0	454	0	683
Other Debt Securities [Member]
Investment Holdings [Line Items]
Gains	9	0	9	5
Losses	$ 0	$ 0	$ 0	$ 0