Loans (Schedule Of Acquired Purchase Credit Impaired Loans By Portfolio Segment) (Details) (USD $)	Mar. 31, 2015	Dec. 31, 2014	Mar. 31, 2014
Accounts, Notes, Loans and Financing Receivable [Line Items]
Ending balance	$ 29,597,000	$ 38,205,000	$ 44,453,000
Unpaid balance	37,551,000	49,941,000	62,166,000
Commercial Financial And Industrial Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Ending balance	4,665,000	5,044,000	6,693,000
Unpaid balance	5,437,000	5,813,000	8,503,000
Commercial Real Estate Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Ending balance	23,013,000	32,553,000	37,067,000
Unpaid balance	29,205,000	43,246,000	52,690,000
Consumer Real Estate Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Ending balance	1,910,000	598,000	693,000
Unpaid balance	2,897,000	868,000	973,000
Credit Card And Other Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Ending balance	9,000	10,000	0
Unpaid balance	$ 12,000	$ 14,000	$ 0