Loans (Loan Portfolio Segmented By Risk Class) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011	Jun. 30, 2011
Financing Receivable, Recorded Investment [Line Items]
Subtotal	$ 660,107	$ 648,565	$ 636,955
Less: Unearned origination fee, net of origination costs	(3,257)	(3,003)	(2,825)
Total	656,850	645,562	634,130
Commercial [Member]
Financing Receivable, Recorded Investment [Line Items]
Subtotal	240,395	252,689	232,765
Real Estate Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Subtotal	40,922	40,182	47,639
Real Estate Term [Member]
Financing Receivable, Recorded Investment [Line Items]
Subtotal	340,530	315,860	314,093
Home Equity Lines And Other Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Subtotal	38,260	39,834	42,458
Risk Code 1 - Excellent [Member]
Financing Receivable, Recorded Investment [Line Items]
Subtotal	1,394	1,115	1,429
Risk Code 1 - Excellent [Member] | Commercial [Member]
Financing Receivable, Recorded Investment [Line Items]
Subtotal	968	540	725
Risk Code 1 - Excellent [Member] | Home Equity Lines And Other Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Subtotal	426	575	704
Risk Code 2 - Good [Member]
Financing Receivable, Recorded Investment [Line Items]
Subtotal	125,627	121,781	134,375
Risk Code 2 - Good [Member] | Commercial [Member]
Financing Receivable, Recorded Investment [Line Items]
Subtotal	61,999	65,315	75,285
Risk Code 2 - Good [Member] | Real Estate Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Subtotal	289
Risk Code 2 - Good [Member] | Real Estate Term [Member]
Financing Receivable, Recorded Investment [Line Items]
Subtotal	62,521	55,617	58,182
Risk Code 2 - Good [Member] | Home Equity Lines And Other Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Subtotal	818	849	908
Risk Code 3 - Satisfactory [Member]
Financing Receivable, Recorded Investment [Line Items]
Subtotal	494,704	477,074	444,218
Risk Code 3 - Satisfactory [Member] | Commercial [Member]
Financing Receivable, Recorded Investment [Line Items]
Subtotal	159,236	164,767	131,788
Risk Code 3 - Satisfactory [Member] | Real Estate Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Subtotal	36,769	29,063	33,918
Risk Code 3 - Satisfactory [Member] | Real Estate Term [Member]
Financing Receivable, Recorded Investment [Line Items]
Subtotal	264,425	247,330	240,814
Risk Code 3 - Satisfactory [Member] | Home Equity Lines And Other Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Subtotal	34,274	35,914	37,698
Risk Code 4 - Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Subtotal	10,567	14,211	15,751
Risk Code 4 - Watch [Member] | Commercial [Member]
Financing Receivable, Recorded Investment [Line Items]
Subtotal	6,837	8,033	8,842
Risk Code 4 - Watch [Member] | Real Estate Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Subtotal	451	3,579	3,431
Risk Code 4 - Watch [Member] | Real Estate Term [Member]
Financing Receivable, Recorded Investment [Line Items]
Subtotal	1,370	1,102	1,285
Risk Code 4 - Watch [Member] | Home Equity Lines And Other Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Subtotal	1,909	1,497	2,193
Risk Code 5 - Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Subtotal	13,164	13,374	14,590
Risk Code 5 - Special Mention [Member] | Commercial [Member]
Financing Receivable, Recorded Investment [Line Items]
Subtotal	8,717	9,671	10,834
Risk Code 5 - Special Mention [Member] | Real Estate Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Subtotal	370
Risk Code 5 - Special Mention [Member] | Real Estate Term [Member]
Financing Receivable, Recorded Investment [Line Items]
Subtotal	3,910	3,339	3,260
Risk Code 5 - Special Mention [Member] | Home Equity Lines And Other Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Subtotal	167	364	496
Risk Code 6 - Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Subtotal	14,056	19,895	26,123
Risk Code 6 - Substandard [Member] | Commercial [Member]
Financing Receivable, Recorded Investment [Line Items]
Subtotal	2,215	3,694	4,822
Risk Code 6 - Substandard [Member] | Real Estate Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Subtotal	3,043	7,540	10,290
Risk Code 6 - Substandard [Member] | Real Estate Term [Member]
Financing Receivable, Recorded Investment [Line Items]
Subtotal	8,132	8,026	10,552
Risk Code 6 - Substandard [Member] | Home Equity Lines And Other Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Subtotal	666	635	459
Risk Code 7 - Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Subtotal	595	1,115	469
Risk Code 7 - Doubtful [Member] | Commercial [Member]
Financing Receivable, Recorded Investment [Line Items]
Subtotal	423	669	469
Risk Code 7 - Doubtful [Member] | Real Estate Term [Member]
Financing Receivable, Recorded Investment [Line Items]
Subtotal	$ 172	$ 446