Loans (Loan Portfolio Summarized By The Past Due Status) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 Days Past Due	$ 5,284	$ 5,356
60 to 89 Days Past Due	2,439	5,601
Greater than 90 Days	7,098	14,037
Total Past Due	14,821	24,994
Current	693,315	669,474
Total Loans Receivable	708,136	694,468
Loans and Leases Receivable, Gross, Carrying Amount	708,136	694,468
Loans Receivable > 90 Days and Accruing	771	1,191
Commercial and industrial [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 Days Past Due	128	25
60 to 89 Days Past Due		14
Greater than 90 Days	342	2,219
Total Past Due	470	2,258
Current	48,534	53,887
Total Loans Receivable	49,004	56,145
Loans and Leases Receivable, Gross, Carrying Amount	49,004	56,145
Loans Receivable > 90 Days and Accruing	1
Commercial real estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 Days Past Due	598	329
60 to 89 Days Past Due		4,184
Greater than 90 Days	4,478	6,663
Total Past Due	5,076	11,176
Current	237,943	224,841
Total Loans Receivable	243,019	236,017
Loans and Leases Receivable, Gross, Carrying Amount	243,019	236,017
Loans Receivable > 90 Days and Accruing	6	51
Commercial real estate construction [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Greater than 90 Days	854	2,614
Total Past Due	854	2,614
Current	18,300	20,143
Total Loans Receivable	19,154	22,757
Loans and Leases Receivable, Gross, Carrying Amount	19,154	22,757
Residential mortgage [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 Days Past Due	4,197	4,585
60 to 89 Days Past Due	2,425	1,395
Greater than 90 Days	1,381	2,378
Total Past Due	8,003	8,358
Current	320,833	302,908
Total Loans Receivable	328,836	311,266
Loans and Leases Receivable, Gross, Carrying Amount	328,836	311,266
Loans Receivable > 90 Days and Accruing	764	977
Home equity lines of credit [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 Days Past Due	353	397
60 to 89 Days Past Due	10
Greater than 90 Days	43	163
Total Past Due	406	560
Current	52,724	51,972
Total Loans Receivable	53,130	52,532
Loans and Leases Receivable, Gross, Carrying Amount	53,130	52,532
Loans Receivable > 90 Days and Accruing		163
Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 Days Past Due	8	20
60 to 89 Days Past Due	4	8
Total Past Due	12	28
Current	14,981	15,723
Total Loans Receivable	14,993	15,751
Loans and Leases Receivable, Gross, Carrying Amount	$ 14,993	$ 15,751