Allowance For Loan Losses And Credit Quality Of Financing Receivables (An Age Analysis Of Loans Receivable) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans receivable 30-59 days past due	$ 1,322	$ 7,181
Loans receivable 60-89 days past due	1,433	138
Loans receivable greater than 90 days past due	18,075	25,086
Total past due	20,830	32,405
Loans receivable current	327,233	307,528
Total financing receivables	348,063	339,933
Recorded investment greater that 90 days and accruing	208	803
Commercial And Industrial Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans receivable 30-59 days past due		428
Loans receivable greater than 90 days past due	27	32
Total past due	27	460
Loans receivable current	16,131	13,251
Total financing receivables	16,158	13,711
Construction [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans receivable 30-59 days past due		558
Loans receivable greater than 90 days past due	2,462	3,243
Total past due	2,462	3,801
Loans receivable current	4,542	4,719
Total financing receivables	7,004	8,520
Recorded investment greater that 90 days and accruing		785
Commercial Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans receivable 30-59 days past due	1,103	5,238
Loans receivable 60-89 days past due	1,303	137
Loans receivable greater than 90 days past due	12,127	19,311
Total past due	14,533	24,686
Loans receivable current	210,812	191,505
Total financing receivables	225,345	216,191
Recorded investment greater that 90 days and accruing	65
Residential Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans receivable 30-59 days past due	207	940
Loans receivable 60-89 days past due	127
Loans receivable greater than 90 days past due	3,315	2,482
Total past due	3,649	3,422
Loans receivable current	94,652	96,753
Total financing receivables	98,301	100,175
Consumer And Other [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans receivable 30-59 days past due	12	17
Loans receivable 60-89 days past due	3	1
Loans receivable greater than 90 days past due	144	18
Total past due	159	36
Loans receivable current	1,096	1,300
Total financing receivables	1,255	1,336
Recorded investment greater that 90 days and accruing	$ 143	$ 18