Loans And The Allowance For Credit Losses (Summary Of Loans By Credit Quality Indicator) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Financing Receivable, Recorded Investment [Line Items]
Loans	$ 1,082,923	$ 1,027,626
Installment Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	4,701	5,806
All Other Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	376	399
Unrated Residential And Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	461,934	423,919
Unrated Residential And Consumer [Member] | Installment Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	4,701	5,806
Unrated Residential And Consumer [Member] | All Other Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	376	399
Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	535,000	525,312
Pass [Member] | Installment Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Pass [Member] | All Other Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Pass-Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	56,424	55,059
Pass-Watch [Member] | Installment Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Pass-Watch [Member] | All Other Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	10,057	9,361
Special Mention [Member] | Installment Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Special Mention [Member] | All Other Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	19,508	13,975
Substandard [Member] | Installment Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Substandard [Member] | All Other Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Commercial, Financial And Agricultural [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	165,023	146,990
Commercial, Financial And Agricultural [Member] | Unrated Residential And Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	85	2
Commercial, Financial And Agricultural [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	138,307	117,772
Commercial, Financial And Agricultural [Member] | Pass-Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	18,738	28,326
Commercial, Financial And Agricultural [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	5,704	170
Commercial, Financial And Agricultural [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	2,189	720
Municipal Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	84,689	101,705
Municipal Loans [Member] | Unrated Residential And Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	5	0
Municipal Loans [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	77,242	101,705
Municipal Loans [Member] | Pass-Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	7,442	0
Municipal Loans [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Municipal Loans [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Real Estate Loans – Residential [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	489,951	439,818
Real Estate Loans – Residential [Member] | First Mortgage [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	451,041	401,331
Real Estate Loans – Residential [Member] | Second Mortgage [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	38,910	38,487
Real Estate Loans – Residential [Member] | Unrated Residential And Consumer [Member] | First Mortgage [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	418,802	379,512
Real Estate Loans – Residential [Member] | Unrated Residential And Consumer [Member] | Second Mortgage [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	37,200	38,020
Real Estate Loans – Residential [Member] | Pass [Member] | First Mortgage [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	29,237	18,647
Real Estate Loans – Residential [Member] | Pass [Member] | Second Mortgage [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	1,000	146
Real Estate Loans – Residential [Member] | Pass-Watch [Member] | First Mortgage [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	1,275	1,569
Real Estate Loans – Residential [Member] | Pass-Watch [Member] | Second Mortgage [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Real Estate Loans – Residential [Member] | Special Mention [Member] | First Mortgage [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	194	641
Real Estate Loans – Residential [Member] | Special Mention [Member] | Second Mortgage [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Real Estate Loans – Residential [Member] | Substandard [Member] | First Mortgage [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	1,533	962
Real Estate Loans – Residential [Member] | Substandard [Member] | Second Mortgage [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	710	321
Real Estate Loans – Commercial [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	327,622	313,915
Real Estate Loans – Commercial [Member] | Owner Occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	222,308	206,256
Real Estate Loans – Commercial [Member] | Non-Owner Occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	105,314	107,659
Real Estate Loans – Commercial [Member] | Unrated Residential And Consumer [Member] | Owner Occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	86	0
Real Estate Loans – Commercial [Member] | Unrated Residential And Consumer [Member] | Non-Owner Occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	40	0
Real Estate Loans – Commercial [Member] | Pass [Member] | Owner Occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	188,330	175,878
Real Estate Loans – Commercial [Member] | Pass [Member] | Non-Owner Occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	93,002	95,239
Real Estate Loans – Commercial [Member] | Pass-Watch [Member] | Owner Occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	16,718	14,001
Real Estate Loans – Commercial [Member] | Pass-Watch [Member] | Non-Owner Occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	10,211	8,891
Real Estate Loans – Commercial [Member] | Special Mention [Member] | Owner Occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	3,546	7,355
Real Estate Loans – Commercial [Member] | Special Mention [Member] | Non-Owner Occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	613	1,195
Real Estate Loans – Commercial [Member] | Substandard [Member] | Owner Occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	13,628	9,022
Real Estate Loans – Commercial [Member] | Substandard [Member] | Non-Owner Occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	1,448	2,334
Real Estate Loans – Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	10,561	18,993
Real Estate Loans – Construction [Member] | Residential [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	1,559	1,798
Real Estate Loans – Construction [Member] | Commercial [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	9,002	17,195
Real Estate Loans – Construction [Member] | Unrated Residential And Consumer [Member] | Residential [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	41	99
Real Estate Loans – Construction [Member] | Unrated Residential And Consumer [Member] | Commercial [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	598	81
Real Estate Loans – Construction [Member] | Pass [Member] | Residential [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Real Estate Loans – Construction [Member] | Pass [Member] | Commercial [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	7,882	15,925
Real Estate Loans – Construction [Member] | Pass-Watch [Member] | Residential [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	1,518	1,699
Real Estate Loans – Construction [Member] | Pass-Watch [Member] | Commercial [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	522	573
Real Estate Loans – Construction [Member] | Special Mention [Member] | Residential [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Real Estate Loans – Construction [Member] | Special Mention [Member] | Commercial [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Real Estate Loans – Construction [Member] | Substandard [Member] | Residential [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Real Estate Loans – Construction [Member] | Substandard [Member] | Commercial [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	$ 0	$ 616