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Loans And Related Allowances For Loan Losses (Classes of the Loan Portfolio Summarized by the Aggregate Risk Rating) (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 891,926	$ 879,023
Commercial real estate- non owner-occupied [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	157,158	159,330
Commercial real estate- all other CRE [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	140,801	121,175
Acquisition and development- 1-4 family residential construction [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	15,845	15,711
Acquisition and development- All other A&D [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	88,437	95,275
Commercial and industrial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	72,346	73,853
Residential mortgage- term [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	316,465	311,469
Residential mortgage- home equity [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	76,951	77,270
Consumer [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	23,923	24,940
Pass [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	844,732	819,513
Pass [Member] | Commercial real estate- non owner-occupied [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	137,181	140,378
Pass [Member] | Commercial real estate- all other CRE [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	125,720	103,811
Pass [Member] | Acquisition and development- 1-4 family residential construction [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	15,845	15,011
Pass [Member] | Acquisition and development- All other A&D [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	87,135	89,963
Pass [Member] | Commercial and industrial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	70,613	69,420
Pass [Member] | Residential mortgage- term [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	308,734	300,558
Pass [Member] | Residential mortgage- home equity [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	75,710	75,491
Pass [Member] | Consumer [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	23,794	24,881
Special Mention [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	14,512	14,211
Special Mention [Member] | Commercial real estate- non owner-occupied [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	10,620	11,574
Special Mention [Member] | Commercial real estate- all other CRE [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	3,121	1,184
Special Mention [Member] | Acquisition and development- 1-4 family residential construction [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	0	0
Special Mention [Member] | Acquisition and development- All other A&D [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	65	74
Special Mention [Member] | Commercial and industrial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	593	1,212
Special Mention [Member] | Residential mortgage- term [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	113	167
Special Mention [Member] | Residential mortgage- home equity [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	0	0
Special Mention [Member] | Consumer [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	0	0
Substandard [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	32,682	45,299
Substandard [Member] | Commercial real estate- non owner-occupied [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	9,357	7,378
Substandard [Member] | Commercial real estate- all other CRE [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	11,960	16,180
Substandard [Member] | Acquisition and development- 1-4 family residential construction [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	0	700
Substandard [Member] | Acquisition and development- All other A&D [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	1,237	5,238
Substandard [Member] | Commercial and industrial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	1,140	3,221
Substandard [Member] | Residential mortgage- term [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	7,618	10,744
Substandard [Member] | Residential mortgage- home equity [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	1,241	1,779
Substandard [Member] | Consumer [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 129	$ 59

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Amount before allowance and after deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=28367877&loc=d3e4428-111522

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=49124121&loc=d3e5074-111524

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