Loans (Schedule Of Acquired Purchase Credit Impaired Loans By Portfolio Segment) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013	Sep. 30, 2013
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying value	$ 37,284	$ 46,009	$ 48,260	[1]
Unpaid balance	49,936	64,129	66,620	[1]
Commercial Financial And Industrial Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying value	5,028	7,077	7,712	[1]
Unpaid balance	6,155	9,169	9,509	[1]
Commercial Real Estate Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying value	31,660	38,042	39,645	[1]
Unpaid balance	42,890	53,648	55,789	[1]
Consumer Real Estate Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying value	585	878	888	[1]
Unpaid balance	875	1,291	1,300	[1]
Credit Card And Other Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying value	11	12	15	[1]
Unpaid balance	$ 16	$ 21	$ 22	[1]

[1] September30, 2013 balances by portfolio have been re-presented to agree with current presentation.