Loans (Schedule Of Acquired Purchase Credit Impaired Loans By Portfolio Segment) (Details) - USD ($)	Sep. 30, 2015	Dec. 31, 2014	Sep. 30, 2014
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying value	$ 24,739,000	$ 38,205,000	$ 37,284,000
Unpaid balance	29,137,000	49,941,000	49,936,000
Commercial Financial And Industrial Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying value	4,767,000	5,044,000	5,028,000
Unpaid balance	5,353,000	5,813,000	6,155,000
Commercial Real Estate Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying value	17,998,000	32,553,000	31,660,000
Unpaid balance	21,138,000	43,246,000	42,890,000
Consumer Real Estate Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying value	1,968,000	598,000	585,000
Unpaid balance	2,636,000	868,000	875,000
Credit Card And Other Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying value	6,000	10,000	11,000
Unpaid balance	$ 10,000	$ 14,000	$ 16,000