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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	Jun. 30, 2019	Dec. 31, 2018
Financing Receivable, Impaired [Line Items]
Impaired Loans with Specific Allowance: Recorded Investment	$ 9,300	$ 1,344
Impaired Loans with Specific Allowance: Related Allowance	1,804	144
Impaired Loans with No Specific Allowance: Recorded Investment	8,443	9,231
Total Impaired Loans: Recorded Investment	17,743	10,575
Total Impaired Loans: Unpaid Principal Balance	28,434	21,371
Commercial real estate- non owner-occupied [Member]
Financing Receivable, Impaired [Line Items]
Impaired Loans with Specific Allowance: Recorded Investment	119	121
Impaired Loans with Specific Allowance: Related Allowance	11	13
Impaired Loans with No Specific Allowance: Recorded Investment	133	173
Total Impaired Loans: Recorded Investment	252	294
Total Impaired Loans: Unpaid Principal Balance	8,445	8,488
Commercial real estate- all other CRE [Member]
Financing Receivable, Impaired [Line Items]
Impaired Loans with No Specific Allowance: Recorded Investment	5,526	4,945
Total Impaired Loans: Recorded Investment	5,526	4,945
Total Impaired Loans: Unpaid Principal Balance	5,526	4,945
Acquisition and development- 1-4 family residential construction [Member]
Financing Receivable, Impaired [Line Items]
Impaired Loans with No Specific Allowance: Recorded Investment	304	316
Total Impaired Loans: Recorded Investment	304	316
Total Impaired Loans: Unpaid Principal Balance	304	316
Acquisition and development- All other A&D [Member]
Financing Receivable, Impaired [Line Items]
Impaired Loans with Specific Allowance: Recorded Investment	7,805	230
Impaired Loans with Specific Allowance: Related Allowance	1,728	25
Impaired Loans with No Specific Allowance: Recorded Investment	35	147
Total Impaired Loans: Recorded Investment	7,840	377
Total Impaired Loans: Unpaid Principal Balance	7,907	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	1,205	993
Impaired Loans with Specific Allowance: Related Allowance	56	106
Impaired Loans with No Specific Allowance: Recorded Investment	1,655	2,910
Total Impaired Loans: Recorded Investment	2,860	3,903
Total Impaired Loans: Unpaid Principal Balance	3,063	4,130
Residential mortgage- home equity [Member]
Financing Receivable, Impaired [Line Items]
Impaired Loans with Specific Allowance: Recorded Investment	171
Impaired Loans with Specific Allowance: Related Allowance	9
Impaired Loans with No Specific Allowance: Recorded Investment	756	713
Total Impaired Loans: Recorded Investment	927	713
Total Impaired Loans: Unpaid Principal Balance	941	726
Consumer [Member]
Financing Receivable, Impaired [Line Items]
Impaired Loans with No Specific Allowance: Recorded Investment	7	10
Total Impaired Loans: Recorded Investment	7	10
Total Impaired Loans: Unpaid Principal Balance	$ 7	$ 10

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-Publisher FASB
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-Section 50
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