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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 | Mar. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Financing Receivable, Impaired [Line Items] |  |
Impaired Loans with Specific Allowance: Recorded Investment | $ 9,191 | $ 1,344
Impaired Loans with Specific Allowance: Related Allowance | 807 | 144
Impaired Loans with No Specific Allowance: Recorded Investment | 7,167 | 9,231
Total Impaired Loans: Recorded Investment | 16,358 | 10,575
Total Impaired Loans: Unpaid Principal Balance | 27,073 | 21,371
Commercial real estate- non owner-occupied [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Impaired Loans with Specific Allowance: Recorded Investment | 120 | 121
Impaired Loans with Specific Allowance: Related Allowance | 12 | 13
Impaired Loans with No Specific Allowance: Recorded Investment | 144 | 173
Total Impaired Loans: Recorded Investment | 264 | 294
Total Impaired Loans: Unpaid Principal Balance | 8,458 | 8,488
Commercial real estate- all other CRE [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Impaired Loans with Specific Allowance: Recorded Investment | 0 | 0
Impaired Loans with Specific Allowance: Related Allowance | 0 | 0
Impaired Loans with No Specific Allowance: Recorded Investment | 4,087 | 4,945
Total Impaired Loans: Recorded Investment | 4,087 | 4,945
Total Impaired Loans: Unpaid Principal Balance | 4,087 | 4,945
Acquisition and development- 1-4 family residential construction [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Impaired Loans with Specific Allowance: Recorded Investment | 0 | 0
Impaired Loans with Specific Allowance: Related Allowance | 0 | 0
Impaired Loans with No Specific Allowance: Recorded Investment | 310 | 316
Total Impaired Loans: Recorded Investment | 310 | 316
Total Impaired Loans: Unpaid Principal Balance | 310 | 316
Acquisition and development- All other A&D [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Impaired Loans with Specific Allowance: Recorded Investment | 7,666 | 230
Impaired Loans with Specific Allowance: Related Allowance | 720 | 25
Impaired Loans with No Specific Allowance: Recorded Investment | 37 | 147
Total Impaired Loans: Recorded Investment | 7,703 | 377
Total Impaired Loans: Unpaid Principal Balance | 7,774 | 525
Commercial and industrial [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Impaired Loans with Specific Allowance: Recorded Investment | 0 | 0
Impaired Loans with Specific Allowance: Related Allowance | 0 | 0
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 | 1,219 | 993
Impaired Loans with Specific Allowance: Related Allowance | 62 | 106
Impaired Loans with No Specific Allowance: Recorded Investment | 1,802 | 2,910
Total Impaired Loans: Recorded Investment | 3,021 | 3,903
Total Impaired Loans: Unpaid Principal Balance | 3,244 | 4,130
Residential mortgage- home equity [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Impaired Loans with Specific Allowance: Recorded Investment | 171 | 0
Impaired Loans with Specific Allowance: Related Allowance | 9 | 0
Impaired Loans with No Specific Allowance: Recorded Investment | 751 | 713
Total Impaired Loans: Recorded Investment | 922 | 713
Total Impaired Loans: Unpaid Principal Balance | 935 | 726
Consumer [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Impaired Loans with Specific Allowance: Recorded Investment | 15 | 0
Impaired Loans with Specific Allowance: Related Allowance | 4 | 0
Impaired Loans with No Specific Allowance: Recorded Investment | 9 | 10
Total Impaired Loans: Recorded Investment | 24 | 10
Total Impaired Loans: Unpaid Principal Balance | $ 24 | $ 10

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- Definition Amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953550-111524 + Details
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