Loans (Loan Portfolio Segmented By Risk Class) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011	Sep. 30, 2011
Financing Receivable, Recorded Investment [Line Items]
Subtotal	$ 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 [Line Items]
Subtotal	652,797	621,438	601,343
Asset Quality Rating - Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Subtotal	15,008	15,205	16,031
Asset Quality Rating - Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Subtotal	6,361	9,051	11,600
Asset Quality Rating - Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Subtotal	604	2,329	2,744
Asset Quality Rating - Loss [Member]
Financing Receivable, Recorded Investment [Line Items]
Subtotal	223	542	876
Commercial [Member]
Financing Receivable, Recorded Investment [Line Items]
Subtotal	251,195	252,689	228,538
Commercial [Member] | Asset Quality Rating - Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Subtotal	243,897	242,491	217,126
Commercial [Member] | Asset Quality Rating - Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Subtotal	5,475	6,690	6,765
Commercial [Member] | Asset Quality Rating - Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Subtotal	996	1,354	2,601
Commercial [Member] | Asset Quality Rating - Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Subtotal	604	1,612	1,170
Commercial [Member] | Asset Quality Rating - Loss [Member]
Financing Receivable, Recorded Investment [Line Items]
Subtotal	223	542	876
Real Estate Construction One-To- Four Family [Member]
Financing Receivable, Recorded Investment [Line Items]
Subtotal	31,508	21,859	26,420
Real Estate Construction One-To- Four Family [Member] | Asset Quality Rating - Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Subtotal	28,295	21,859	25,483
Real Estate Construction One-To- Four Family [Member] | Asset Quality Rating - Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Subtotal	2,141		937
Real Estate Construction One-To- Four Family [Member] | Asset Quality Rating - Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Subtotal	1,072
Real Estate Construction Other [Member]
Financing Receivable, Recorded Investment [Line Items]
Subtotal	15,825	18,323	19,564
Real Estate Construction Other [Member] | Asset Quality Rating - Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Subtotal	15,595	12,071	12,015
Real Estate Construction Other [Member] | Asset Quality Rating - Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Subtotal		3,897	4,530
Real Estate Construction Other [Member] | Asset Quality Rating - Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Subtotal	230	2,355	3,019
Real Estate Term Owner Occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Subtotal	77,935	81,481	82,400
Real Estate Term Owner Occupied [Member] | Asset Quality Rating - Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Subtotal	75,226	79,084	79,608
Real Estate Term Owner Occupied [Member] | Asset Quality Rating - Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Subtotal	2,206	1,407	505
Real Estate Term Owner Occupied [Member] | Asset Quality Rating - Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Subtotal	503	990	1,450
Real Estate Term Owner Occupied [Member] | Asset Quality Rating - Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Subtotal			837
Real Estate Term Non-Owner Occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Subtotal	227,910	195,454	196,613
Real Estate Term Non-Owner Occupied [Member] | Asset Quality Rating - Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Subtotal	225,126	192,533	193,670
Real Estate Term Non-Owner Occupied [Member] | Asset Quality Rating - Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Subtotal	2,412	2,288	2,323
Real Estate Term Non-Owner Occupied [Member] | Asset Quality Rating - Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Subtotal	372	608	590
Real Estate Term Non-Owner Occupied [Member] | Asset Quality Rating - Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Subtotal		25	30
Real Estate Term Other [Member]
Financing Receivable, Recorded Investment [Line Items]
Subtotal	33,591	38,925	37,450
Real Estate Term Other [Member] | Asset Quality Rating - Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Subtotal	29,461	35,667	33,830
Real Estate Term Other [Member] | Asset Quality Rating - Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Subtotal	2,086	226	235
Real Estate Term Other [Member] | Asset Quality Rating - Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Subtotal	2,044	2,878	3,227
Real Estate Term Other [Member] | Asset Quality Rating - Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Subtotal		154	158
Consumer Secured By 1st Deed Of Trust [Member]
Financing Receivable, Recorded Investment [Line Items]
Subtotal	17,841	20,212	21,010
Consumer Secured By 1st Deed Of Trust [Member] | Asset Quality Rating - Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Subtotal	16,959	19,533	20,308
Consumer Secured By 1st Deed Of Trust [Member] | Asset Quality Rating - Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Subtotal	274	232	249
Consumer Secured By 1st Deed Of Trust [Member] | Asset Quality Rating - Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Subtotal	608	72	74
Consumer Secured By 1st Deed Of Trust [Member] | Asset Quality Rating - Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Subtotal		375	379
Consumer Other [Member]
Financing Receivable, Recorded Investment [Line Items]
Subtotal	19,188	19,622	20,599
Consumer Other [Member] | Asset Quality Rating - Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Subtotal	18,238	18,200	19,303
Consumer Other [Member] | Asset Quality Rating - Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Subtotal	414	465	487
Consumer Other [Member] | Asset Quality Rating - Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Subtotal	536	794	639
Consumer Other [Member] | Asset Quality Rating - Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Subtotal		$ 163	$ 170