Allowance for Loan Losses and Reserve for Unfunded Loan Commitments (Loans And Their Related Allowance For Loan Losses, By Portfolio Segment ) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	$ 1,733
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	12,576
Loans and Leases Receivable, Allowance	14,309	14,345	14,758	16,284	16,339	16,348
Financing Receivable, Individually Evaluated for Impairment	18,101
Financing Receivable, Collectively Evaluated for Impairment	596,443
Total Loans	622,316		587,036
Total Loans	614,544
Other Commitment	131		87
SBA held to maturity [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	1,079		1,159
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	2,056		2,219
Loans and Leases Receivable, Allowance	3,135	3,408	3,378	3,201	3,639	4,088
Financing Receivable, Individually Evaluated for Impairment	3,262		3,712
Financing Receivable, Collectively Evaluated for Impairment	49,017		54,881
Total Loans	52,279		58,593
SBA 504 loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	479		217
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	1,009		1,095
Loans and Leases Receivable, Allowance	1,488	1,296	1,312	1,331	1,285	1,423
Financing Receivable, Individually Evaluated for Impairment	5,138		6,852
Financing Receivable, Collectively Evaluated for Impairment	33,932		34,586
Total Loans	39,070		41,438
Total Commercial Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	175		625
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	6,631		6,466
Loans and Leases Receivable, Allowance	6,806	6,879	7,091	8,756	8,361	8,129
Financing Receivable, Individually Evaluated for Impairment	9,701		12,802
Financing Receivable, Collectively Evaluated for Impairment	313,775		288,762
Total Loans	323,476		301,564
Total residential mortgage loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	1,954		1,769
Loans and Leases Receivable, Allowance	1,954	1,877	1,769	1,836	1,770	1,703
Financing Receivable, Collectively Evaluated for Impairment	154,716		132,094
Total Loans	154,716		132,094
Total consumer [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	489		524
Loans and Leases Receivable, Allowance	489	556	524	522	527	536
Financing Receivable, Collectively Evaluated for Impairment	45,003		46,410
Total Loans	45,003		46,410
Unallocated Financing Receivables [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	437		684
Loans and Leases Receivable, Allowance	437	329	684	638	757	469
Loans Held for Investment [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment			2,001
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment			12,757
Loans and Leases Receivable, Allowance			14,758
Financing Receivable, Individually Evaluated for Impairment			23,366
Financing Receivable, Collectively Evaluated for Impairment			556,733
Total Loans	$ 614,544		$ 580,099