Loans (Past Due Loans And Nonaccrual Loans) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011	Sep. 30, 2011
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 Days Past Due Still Accruing, Subtotal	$ 165	$ 475	$ 3,660
60-89 Days Past Due Still Accruing, Subtotal	9	191	3
Greater Than 90 Days Still Accruing, Subtotal
Nonaccrual loans	4,887	7,361	7,866
Total Past Due and Nonaccrual, Subtotal	5,061	8,027	11,529
Total Current, Subtotal	669,932	640,538	621,065
Total Financing Receivables	674,993	648,565	632,594
Less: Unearned origination fee, net of origination costs	(3,349)	(3,003)	(2,930)
Total	671,644	645,562	629,664
Asset Quality Rating - Pass [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 Days Past Due Still Accruing, Subtotal	135	473	543
60-89 Days Past Due Still Accruing, Subtotal	9
Greater Than 90 Days Still Accruing, Subtotal
Nonaccrual loans	284	419	263
Total Past Due and Nonaccrual, Subtotal	428	892	806
Total Current, Subtotal	652,369	620,546	600,537
Total Financing Receivables	652,797	621,438	601,343
Asset Quality Rating - Special Mention [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 Days Past Due Still Accruing, Subtotal	17		53
60-89 Days Past Due Still Accruing, Subtotal		21
Greater Than 90 Days Still Accruing, Subtotal
Nonaccrual loans	293	1,016	808
Total Past Due and Nonaccrual, Subtotal	310	1,037	861
Total Current, Subtotal	14,698	14,168	15,170
Total Financing Receivables	15,008	15,205	16,031
Asset Quality Rating - Substandard [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 Days Past Due Still Accruing, Subtotal	13		3,064
60-89 Days Past Due Still Accruing, Subtotal		170
Greater Than 90 Days Still Accruing, Subtotal
Nonaccrual loans	3,483	3,750	4,605
Total Past Due and Nonaccrual, Subtotal	3,496	3,920	7,669
Total Current, Subtotal	2,865	5,131	3,931
Total Financing Receivables	6,361	9,051	11,600
Asset Quality Rating - Doubtful [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 Days Past Due Still Accruing, Subtotal		2
60-89 Days Past Due Still Accruing, Subtotal			3
Greater Than 90 Days Still Accruing, Subtotal
Nonaccrual loans	604	1,699	1,380
Total Past Due and Nonaccrual, Subtotal	604	1,701	1,383
Total Current, Subtotal		628	1,361
Total Financing Receivables	604	2,329	2,744
Asset Quality Rating - Loss [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Greater Than 90 Days Still Accruing, Subtotal
Nonaccrual loans	223	477	810
Total Past Due and Nonaccrual, Subtotal	223	477	810
Total Current, Subtotal		65	66
Total Financing Receivables	$ 223	$ 542	$ 876