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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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