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Loans and Related Allowance for Loan Losses (Loan Portfolio Summarized by the Past Due Status) (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	$ 988,390	$ 991,811
Total Past Due and Still Accruing	4,665	10,981
Non-Accrual	11,563	4,922
Total Loans	1,004,618	1,007,714
Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable Recorded Investment Past Due	4,202	1,593
Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable Recorded Investment Past Due	455	8,958
Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable Recorded Investment Past Due	8	430
Commercial real estate- non owner-occupied [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	147,980	150,339
Total Past Due and Still Accruing	0	0
Non-Accrual	144	173
Total Loans	148,124	150,512
Commercial real estate- non owner-occupied [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable Recorded Investment Past Due	0	0
Commercial real estate- non owner-occupied [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable Recorded Investment Past Due	0	0
Commercial real estate- non owner-occupied [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable Recorded Investment Past Due	0	0
Commercial real estate- all other CRE [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	149,687	153,977
Total Past Due and Still Accruing	153	464
Non-Accrual	1,502	1,968
Total Loans	151,342	156,409
Commercial real estate- all other CRE [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable Recorded Investment Past Due	127	464
Commercial real estate- all other CRE [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable Recorded Investment Past Due	26	0
Commercial real estate- all other CRE [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable Recorded Investment Past Due	0	0
Acquisition and development- 1-4 family residential construction [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	13,834	16,003
Total Past Due and Still Accruing	115	0
Non-Accrual	0	0
Total Loans	13,949	16,003
Acquisition and development- 1-4 family residential construction [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable Recorded Investment Past Due	115	0
Acquisition and development- 1-4 family residential construction [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable Recorded Investment Past Due	0	0
Acquisition and development- 1-4 family residential construction [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable Recorded Investment Past Due	0	0
Acquisition and development- All other A&D [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	101,644	94,540
Total Past Due and Still Accruing	258	7,670
Non-Accrual	7,475	147
Total Loans	109,377	102,357
Acquisition and development- All other A&D [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable Recorded Investment Past Due	258	197
Acquisition and development- All other A&D [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable Recorded Investment Past Due	0	7,411
Acquisition and development- All other A&D [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable Recorded Investment Past Due	0	62
Commercial and industrial [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	108,266	111,436
Total Past Due and Still Accruing	1,126	30
Non-Accrual	27	0
Total Loans	109,419	111,466
Commercial and industrial [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable Recorded Investment Past Due	1,116	29
Commercial and industrial [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable Recorded Investment Past Due	10	1
Commercial and industrial [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable Recorded Investment Past Due	0	0
Residential mortgage- term [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	363,383	360,073
Total Past Due and Still Accruing	2,166	2,024
Non-Accrual	1,468	1,911
Total Loans	367,017	364,008
Residential mortgage- term [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable Recorded Investment Past Due	1,887	302
Residential mortgage- term [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable Recorded Investment Past Due	271	1,359
Residential mortgage- term [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable Recorded Investment Past Due	8	363
Residential mortgage- home equity [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	70,040	71,611
Total Past Due and Still Accruing	627	575
Non-Accrual	923	713
Total Loans	71,590	72,899
Residential mortgage- home equity [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable Recorded Investment Past Due	527	461
Residential mortgage- home equity [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable Recorded Investment Past Due	100	114
Residential mortgage- home equity [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable Recorded Investment Past Due	0	0
Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	33,556	33,832
Total Past Due and Still Accruing	220	218
Non-Accrual	24	10
Total Loans	33,800	34,060
Consumer [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable Recorded Investment Past Due	172	140
Consumer [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable Recorded Investment Past Due	48	73
Consumer [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable Recorded Investment Past Due	$ 0	$ 5

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- Definition

Recorded investment in financing receivables that are 90 days or more past due and still accruing.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 7
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5111-111524

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- Definition

Financing receivables that are current.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 7A
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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
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+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
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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=82891408&loc=d3e4428-111522

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