Allowance For Loan Losses And Credit Quality Of Financing Receivables (Changes In The Allowance For Loan Losses) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	$ 7,210	$ 6,397
Charge-offs	(6,671)	(3,042)
Recoveries	107	549
Provision	4,330	3,306
Ending balance	4,976	7,210
Commercial And Industrial Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	304	436
Charge-offs	(169)	(24)
Recoveries	2	6
Provision	134	(114)
Ending balance	271	304
Construction [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	294	1,183
Charge-offs	(1,538)	(909)
Recoveries		516
Provision	1,467	(496)
Ending balance	223	294
Commercial Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	4,833	3,760
Charge-offs	(3,904)	(2,057)
Recoveries	78	8
Provision	2,388	3,122
Ending balance	3,395	4,833
Residential Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	987	798
Charge-offs	(998)	(12)
Provision	880	201
Ending balance	869	987
Consumer And Other [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	9	56
Charge-offs	(62)	(40)
Recoveries	27	19
Provision	64	(26)
Ending balance	38	9
Unallocated Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	783	164
Provision	(603)	619
Ending balance	$ 180	$ 783