Allowance For Loan Losses And Credit Quality Of Financing Receivables (Troubled Debt Restructured On Recorded Investment) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Financing Receivable, Modifications [Line Items]
Total	$ 5,859	$ 2,671
Commercial Real Estate [Member]
Financing Receivable, Modifications [Line Items]
Total	5,332	2,432
Commercial And Industrial [Member]
Financing Receivable, Modifications [Line Items]
Total		6
Residential Real Estate [Member]
Financing Receivable, Modifications [Line Items]
Total	527	233
Performing [Member]
Financing Receivable, Modifications [Line Items]
Total	612	608
Performing [Member] | Commercial Real Estate [Member]
Financing Receivable, Modifications [Line Items]
Total	612	603
Performing [Member] | Residential Real Estate [Member]
Financing Receivable, Modifications [Line Items]
Total		5
Non-performing [Member]
Financing Receivable, Modifications [Line Items]
Total	5,247	2,063
Non-performing [Member] | Commercial Real Estate [Member]
Financing Receivable, Modifications [Line Items]
Total	4,720	1,829
Non-performing [Member] | Commercial And Industrial [Member]
Financing Receivable, Modifications [Line Items]
Total		6
Non-performing [Member] | Residential Real Estate [Member]
Financing Receivable, Modifications [Line Items]
Total	$ 527	$ 228