Allowance for Loan and Lease Loss and Credit Quality (Schedule Of Newly Restructured Loans) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Financing Receivable, Modifications [Line Items]
Total restructured loans, net of deferred fees and costs	$ 9,947	$ 1,088	$ 16,426	$ 5,989
Rate Modifications [Member]
Financing Receivable, Modifications [Line Items]
Total restructured loans, net of deferred fees and costs	0	0	0	0
Term Modifications [Member]
Financing Receivable, Modifications [Line Items]
Total restructured loans, net of deferred fees and costs	0	1,088	74	2,332
Interest Only Modifications [Member]
Financing Receivable, Modifications [Line Items]
Total restructured loans, net of deferred fees and costs	0	0	0	0
Payment Modifications [Member]
Financing Receivable, Modifications [Line Items]
Total restructured loans, net of deferred fees and costs	0	0	0	0
Combination Modifications [Member]
Financing Receivable, Modifications [Line Items]
Total restructured loans, net of deferred fees and costs	9,947	0	16,352	3,657
Commercial Real Estate [Member]
Financing Receivable, Modifications [Line Items]
Total restructured loans, net of deferred fees and costs	1,374	1,088	1,374	5,851
Commercial Real Estate [Member] | Rate Modifications [Member]
Financing Receivable, Modifications [Line Items]
Total restructured loans, net of deferred fees and costs	0	0	0	0
Commercial Real Estate [Member] | Term Modifications [Member]
Financing Receivable, Modifications [Line Items]
Total restructured loans, net of deferred fees and costs	0	1,088	0	2,332
Commercial Real Estate [Member] | Interest Only Modifications [Member]
Financing Receivable, Modifications [Line Items]
Total restructured loans, net of deferred fees and costs	0	0	0	0
Commercial Real Estate [Member] | Payment Modifications [Member]
Financing Receivable, Modifications [Line Items]
Total restructured loans, net of deferred fees and costs	0	0	0	0
Commercial Real Estate [Member] | Combination Modifications [Member]
Financing Receivable, Modifications [Line Items]
Total restructured loans, net of deferred fees and costs	1,374	$ 0	1,374	3,519
Commercial [Member]
Financing Receivable, Modifications [Line Items]
Total restructured loans, net of deferred fees and costs	8,388		11,737
Commercial [Member] | Rate Modifications [Member]
Financing Receivable, Modifications [Line Items]
Total restructured loans, net of deferred fees and costs	0		0
Commercial [Member] | Term Modifications [Member]
Financing Receivable, Modifications [Line Items]
Total restructured loans, net of deferred fees and costs	0		0
Commercial [Member] | Interest Only Modifications [Member]
Financing Receivable, Modifications [Line Items]
Total restructured loans, net of deferred fees and costs	0		0
Commercial [Member] | Payment Modifications [Member]
Financing Receivable, Modifications [Line Items]
Total restructured loans, net of deferred fees and costs	0		0
Commercial [Member] | Combination Modifications [Member]
Financing Receivable, Modifications [Line Items]
Total restructured loans, net of deferred fees and costs	8,388		11,737
Residential [Member]
Financing Receivable, Modifications [Line Items]
Total restructured loans, net of deferred fees and costs	185		3,315	138
Residential [Member] | Rate Modifications [Member]
Financing Receivable, Modifications [Line Items]
Total restructured loans, net of deferred fees and costs	0		0	0
Residential [Member] | Term Modifications [Member]
Financing Receivable, Modifications [Line Items]
Total restructured loans, net of deferred fees and costs	0		74	0
Residential [Member] | Interest Only Modifications [Member]
Financing Receivable, Modifications [Line Items]
Total restructured loans, net of deferred fees and costs	0		0	0
Residential [Member] | Payment Modifications [Member]
Financing Receivable, Modifications [Line Items]
Total restructured loans, net of deferred fees and costs	0		0	0
Residential [Member] | Combination Modifications [Member]
Financing Receivable, Modifications [Line Items]
Total restructured loans, net of deferred fees and costs	$ 185		$ 3,241	$ 138