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Loans and Related Allowance for Loan Losses (Impaired Loans and Related Interest Income by Loan Portfolio Class) (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Financing Receivable, Impaired [Line Items]
Impaired Loans with Specific Allowance: Recorded Investment	$ 8,867	$ 1,344
Impaired Loans with Specific Allowance: Related Allowance	1,926	144
Impaired Loans with No Specific Allowance: Recorded Investment	7,138	9,231
Total Impaired Loans: Recorded Investment	16,005	10,575
Total Impaired Loans: Unpaid Principal Balance	26,650	21,371
Commercial real estate- non owner-occupied [Member]
Financing Receivable, Impaired [Line Items]
Impaired Loans with Specific Allowance: Recorded Investment	118	121
Impaired Loans with Specific Allowance: Related Allowance	10	13
Impaired Loans with No Specific Allowance: Recorded Investment	33	173
Total Impaired Loans: Recorded Investment	151	294
Total Impaired Loans: Unpaid Principal Balance	8,308	8,488
Commercial real estate- all other CRE [Member]
Financing Receivable, Impaired [Line Items]
Impaired Loans with No Specific Allowance: Recorded Investment	4,020	4,945
Total Impaired Loans: Recorded Investment	4,020	4,945
Total Impaired Loans: Unpaid Principal Balance	4,020	4,945
Acquisition and development- 1-4 family residential construction [Member]
Financing Receivable, Impaired [Line Items]
Impaired Loans with No Specific Allowance: Recorded Investment		316
Total Impaired Loans: Recorded Investment		316
Total Impaired Loans: Unpaid Principal Balance		316
Acquisition and development- All other A&D [Member]
Financing Receivable, Impaired [Line Items]
Impaired Loans with Specific Allowance: Recorded Investment	7,970	230
Impaired Loans with Specific Allowance: Related Allowance	1,894	25
Impaired Loans with No Specific Allowance: Recorded Investment	359	147
Total Impaired Loans: Recorded Investment	8,329	377
Total Impaired Loans: Unpaid Principal Balance	8,392	525
Commercial and industrial [Member]
Financing Receivable, Impaired [Line Items]
Impaired Loans with No Specific Allowance: Recorded Investment	27	17
Total Impaired Loans: Recorded Investment	27	17
Total Impaired Loans: Unpaid Principal Balance	2,241	2,231
Residential mortgage- term [Member]
Financing Receivable, Impaired [Line Items]
Impaired Loans with Specific Allowance: Recorded Investment	779	993
Impaired Loans with Specific Allowance: Related Allowance	22	106
Impaired Loans with No Specific Allowance: Recorded Investment	1,763	2,910
Total Impaired Loans: Recorded Investment	2,542	3,903
Total Impaired Loans: Unpaid Principal Balance	2,739	4,130
Residential mortgage- home equity [Member]
Financing Receivable, Impaired [Line Items]
Impaired Loans with No Specific Allowance: Recorded Investment	930	713
Total Impaired Loans: Recorded Investment	930	713
Total Impaired Loans: Unpaid Principal Balance	944	726
Consumer [Member]
Financing Receivable, Impaired [Line Items]
Impaired Loans with No Specific Allowance: Recorded Investment	6	10
Total Impaired Loans: Recorded Investment	6	10
Total Impaired Loans: Unpaid Principal Balance	$ 6	$ 10

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Amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.

+ References

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-Publisher FASB
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-Topic 310
-SubTopic 10
-Section 50
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