Loans And Related Allowances For Loan Losses (Average of Impaired Loans and Related Interest Income by Loan Portfolio Class) (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017
Financing Receivable, Impaired [Line Items]
Average Investment	$ 12,145	$ 20,172
Interest income recognized on an accrual basis	380	482
Interest income recognized on a cash basis	134	38
Commercial real estate- non owner-occupied [Member]
Financing Receivable, Impaired [Line Items]
Average Investment	1,432	5,727
Interest income recognized on an accrual basis	12	24
Interest income recognized on a cash basis	66	30
Commercial real estate- all other CRE [Member]
Financing Receivable, Impaired [Line Items]
Average Investment	5,385	7,743
Interest income recognized on an accrual basis	195	205
Interest income recognized on a cash basis	59	0
Acquisition and development- 1-4 family residential construction [Member]
Financing Receivable, Impaired [Line Items]
Average Investment	443	571
Interest income recognized on an accrual basis	24	24
Interest income recognized on a cash basis	0	0
Acquisition and development- All other A&D [Member]
Financing Receivable, Impaired [Line Items]
Average Investment	355	1,571
Interest income recognized on an accrual basis	12	85
Interest income recognized on a cash basis	0	0
Commercial and industrial [Member]
Financing Receivable, Impaired [Line Items]
Average Investment	265	448
Interest income recognized on an accrual basis	13	13
Interest income recognized on a cash basis	0	0
Residential mortgage- term [Member]
Financing Receivable, Impaired [Line Items]
Average Investment	3,632	3,792
Interest income recognized on an accrual basis	124	131
Interest income recognized on a cash basis	2	8
Residential mortgage- home equity [Member]
Financing Receivable, Impaired [Line Items]
Average Investment	611	305
Interest income recognized on an accrual basis	0	0
Interest income recognized on a cash basis	7	0
Consumer [Member]
Financing Receivable, Impaired [Line Items]
Average Investment	22	15
Interest income recognized on an accrual basis	0	0
Interest income recognized on a cash basis	$ 0	$ 0

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- Definition

Average 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 15
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5212-111524

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 17
-URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5258-111524

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Amount of interest income recognized that the financing receivables (with related allowance for credit losses and without a related allowance for credit losses) were impaired.

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+ References

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