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Loans And Related Allowances For Loan Losses (Impaired Loans and Related Interest Income by Loan Portfolio Class) (Details) - USD ($) $ in Thousands | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Financing Receivable, Impaired [Line Items] |  |
Impaired Loans with Specific Allowance: Recorded Investment | $ 9,200 | $ 1,344
Impaired Loans with Specific Allowance: Related Allowance | 2,173 | 144
Impaired Loans with No Specific Allowance: Recorded Investment | 5,974 | 9,231
Total Impaired Loans: Recorded Investment | 15,174 | 10,575
Unpaid Principal Balance | 25,865 | 21,371
Commercial real estate- non owner-occupied [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Impaired Loans with Specific Allowance: Recorded Investment | 116 | 121
Impaired Loans with Specific Allowance: Related Allowance | 9 | 13
Impaired Loans with No Specific Allowance: Recorded Investment | 33 | 173
Total Impaired Loans: Recorded Investment | 149 | 294
Unpaid Principal Balance | 8,224 | 8,488
Commercial real estate- all other CRE [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Impaired Loans with No Specific Allowance: Recorded Investment | 3,030 | 4,945
Total Impaired Loans: Recorded Investment | 3,030 | 4,945
Unpaid Principal Balance | 3,030 | 4,945
Acquisition and development- 1-4 family residential construction [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Impaired Loans with No Specific Allowance: Recorded Investment | 291 | 316
Total Impaired Loans: Recorded Investment | 291 | 316
Unpaid Principal Balance | 291 | 316
Acquisition and development- All other A&D [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Impaired Loans with Specific Allowance: Recorded Investment | 8,219 | 230
Impaired Loans with Specific Allowance: Related Allowance | 2,142 | 25
Impaired Loans with No Specific Allowance: Recorded Investment | 60 | 147
Total Impaired Loans: Recorded Investment | 8,279 | 377
Unpaid Principal Balance | 8,340 | 525
Commercial and industrial [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Impaired Loans with No Specific Allowance: Recorded Investment | 30 | 17
Total Impaired Loans: Recorded Investment | 30 | 17
Unpaid Principal Balance | 2,266 | 2,231
Residential mortgage- term [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Impaired Loans with Specific Allowance: Recorded Investment | 865 | 993
Impaired Loans with Specific Allowance: Related Allowance | 22 | 106
Impaired Loans with No Specific Allowance: Recorded Investment | 1,668 | 2,910
Total Impaired Loans: Recorded Investment | 2,533 | 3,903
Unpaid Principal Balance | 2,724 | 4,130
Residential mortgage- home equity [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Impaired Loans with No Specific Allowance: Recorded Investment | 858 | 713
Total Impaired Loans: Recorded Investment | 858 | 713
Unpaid Principal Balance | 986 | 726
Consumer [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Impaired Loans with No Specific Allowance: Recorded Investment | 4 | 10
Total Impaired Loans: Recorded Investment | 4 | 10
Unpaid Principal Balance | $ 4 | $ 10

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