Allowance for Loan Losses and Reserve for Unfunded Loan Commitments (Activity In The Allowance For Loan Losses By Portfolio Segment ) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	$ 14,758	$ 16,348
Charge-offs	(1,329)	(1,301)
Recoveries	266	92
Net charge-offs	(1,063)	(1,209)
Provision for loan losses charged to expense	650	1,200
Ending Balance	14,345	16,339
SBA held to maturity [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	3,378	4,088
Charge-offs	(570)	(615)
Recoveries	137	53
Net charge-offs	(433)	(562)
Provision for loan losses charged to expense	463	113
Ending Balance	3,408	3,639
SBA 504 loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	1,312	1,423
Charge-offs	(200)	(227)
Recoveries	25	28
Net charge-offs	(175)	(199)
Provision for loan losses charged to expense	159	61
Ending Balance	1,296	1,285
Total Commercial Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	7,091	8,129
Charge-offs	(375)	(346)
Recoveries	101	11
Net charge-offs	(274)	(335)
Provision for loan losses charged to expense	62	567
Ending Balance	6,879	8,361
Total residential mortgage loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	1,769	1,703
Charge-offs	(125)	(113)
Recoveries	2
Net charge-offs	(123)	(113)
Provision for loan losses charged to expense	231	180
Ending Balance	1,877	1,770
Total consumer [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	524	536
Charge-offs	(59)
Recoveries	1
Net charge-offs	(58)
Provision for loan losses charged to expense	90	(9)
Ending Balance	556	527
Unallocated Financing Receivables [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	684	469
Provision for loan losses charged to expense	(355)	288
Ending Balance	$ 329	$ 757