Allowance For Loan Losses (Summary Of Net Unearned Income) (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2017	Dec. 31, 2016
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	$ 11,674	$ 11,472	$ 11,167
Total Losses	(1,288)	(1,555)	(2,151)
Total Recoveries	929	1,257	1,206
Provision for loan losses	1,250	500	1,250
Ending balance	12,565	11,674	11,472
Allowance related to: Loans individually evaluated for impairment				$ 1,590	$ 1,404
Allowance related to: Loans collectively evaluated for impairment				10,968	10,270
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Allowance for Loan Losses				7	0
Total Allowance	11,674	11,472	11,167	12,565	11,674
Loans individually evaluated for impairment				37,805	37,647
Loans collectively evaluated for impairment				1,563,485	1,279,688
Loans Acquired with Deteriorated Credit Quality				5,019	2,201
Total Loans				1,606,309	1,319,536
Commercial Loan [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	934	781
Total Losses	(23)	(489)	(77)
Total Recoveries	124	73	10
Provision for loan losses	268	569
Ending balance	1,303	934	781
Allowance related to: Loans individually evaluated for impairment				252	0
Allowance related to: Loans collectively evaluated for impairment				1,051	934
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Allowance for Loan Losses				0	0
Total Allowance	934	781	781	1,303	934
Loans individually evaluated for impairment				495	285
Loans collectively evaluated for impairment				189,477	118,803
Loans Acquired with Deteriorated Credit Quality				9	0
Total Loans				189,981	119,088
Owner Occupied [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	2,109	1,589
Total Losses	(5)	(179)	(559)
Total Recoveries	89	31	290
Provision for loan losses	231	668
Ending balance	2,424	2,109	1,589
Allowance related to: Loans individually evaluated for impairment				125	347
Allowance related to: Loans collectively evaluated for impairment				2,299	1,762
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Allowance for Loan Losses				0	0
Total Allowance	2,109	1,589	1,589	2,424	2,109
Loans individually evaluated for impairment				9,545	7,384
Loans collectively evaluated for impairment				239,968	195,663
Loans Acquired with Deteriorated Credit Quality				689	0
Total Loans				250,202	203,047
Non Owner Occupied [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	3,438	2,977
Total Losses	(65)	(124)	(178)
Total Recoveries	91	17	13
Provision for loan losses	1,486	568
Ending balance	4,950	3,438	2,977
Allowance related to: Loans individually evaluated for impairment				517	197
Allowance related to: Loans collectively evaluated for impairment				4,432	3,241
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Allowance for Loan Losses				1	0
Total Allowance	3,438	2,977	2,977	4,950	3,438
Loans individually evaluated for impairment				10,443	11,514
Loans collectively evaluated for impairment				472,622	370,407
Loans Acquired with Deteriorated Credit Quality				1,837	0
Total Loans				484,902	381,921
Land And Land Development [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	2,263	2,852
Total Losses	(3)	(127)	(457)
Total Recoveries	278	840	456
Provision for loan losses	(1,897)	(1,302)
Ending balance	641	2,263	2,852
Allowance related to: Loans individually evaluated for impairment				524	585
Allowance related to: Loans collectively evaluated for impairment				117	1,678
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Allowance for Loan Losses				0	0
Total Allowance	2,263	2,852	2,852	641	2,263
Loans individually evaluated for impairment				6,482	7,293
Loans collectively evaluated for impairment				60,737	64,354
Loans Acquired with Deteriorated Credit Quality				0	395
Total Loans				67,219	72,042
Construction Loans [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	24	15
Total Losses	(33)	(9)	0
Total Recoveries	0	0	0
Provision for loan losses	162	18
Ending balance	153	24	15
Allowance related to: Loans individually evaluated for impairment				0	0
Allowance related to: Loans collectively evaluated for impairment				153	24
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Allowance for Loan Losses				0	0
Total Allowance	24	15	15	153	24
Loans individually evaluated for impairment				0	0
Loans collectively evaluated for impairment				33,412	16,584
Loans Acquired with Deteriorated Credit Quality				0	0
Total Loans				33,412	16,584
Non Jumbo [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	2,174	1,253
Total Losses	(359)	(169)	(417)
Total Recoveries	134	136	107
Provision for loan losses	(38)	954
Ending balance	1,911	2,174	1,253
Allowance related to: Loans individually evaluated for impairment				158	251
Allowance related to: Loans collectively evaluated for impairment				1,747	1,923
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Allowance for Loan Losses				6	0
Total Allowance	2,174	1,253	1,253	1,911	2,174
Loans individually evaluated for impairment				5,907	6,110
Loans collectively evaluated for impairment				346,709	258,741
Loans Acquired with Deteriorated Credit Quality				1,485	790
Total Loans				354,101	265,641
Jumbo [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	95	1,593
Total Losses	(2)	0	(208)
Total Recoveries	0	6	96
Provision for loan losses	(21)	(1,504)
Ending balance	72	95	1,593
Allowance related to: Loans individually evaluated for impairment				14	24
Allowance related to: Loans collectively evaluated for impairment				58	71
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Allowance for Loan Losses				0	0
Total Allowance	95	1,593	1,593	72	95
Loans individually evaluated for impairment				4,393	4,493
Loans collectively evaluated for impairment				56,875	60,119
Loans Acquired with Deteriorated Credit Quality				999	1,016
Total Loans				62,267	65,628
Home Equity [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	413	253
Total Losses	(158)	(175)	(76)
Total Recoveries	30	3	3
Provision for loan losses	353	332
Ending balance	638	413	253
Allowance related to: Loans individually evaluated for impairment				0	0
Allowance related to: Loans collectively evaluated for impairment				638	413
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Allowance for Loan Losses				0	0
Total Allowance	413	253	253	638	413
Loans individually evaluated for impairment				523	524
Loans collectively evaluated for impairment				83,505	74,072
Loans Acquired with Deteriorated Credit Quality				0	0
Total Loans				84,028	74,596
Mortgage Warehouse Lines [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	0	0
Total Losses	0	0	0
Total Recoveries	0	0	0
Provision for loan losses	0	0
Ending balance	0	0	0
Allowance related to: Loans individually evaluated for impairment				0	0
Allowance related to: Loans collectively evaluated for impairment				0	0
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Allowance for Loan Losses				0	0
Total Allowance	0	0	0	0	0
Loans individually evaluated for impairment				0	0
Loans collectively evaluated for impairment				30,757	85,966
Loans Acquired with Deteriorated Credit Quality				0	0
Total Loans				30,757	85,966
Consumer Portfolio Segment [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	121	59
Total Losses	(389)	(98)	(69)
Total Recoveries	82	76	105
Provision for loan losses	396	84
Ending balance	210	121	59
Allowance related to: Loans individually evaluated for impairment				0	0
Allowance related to: Loans collectively evaluated for impairment				210	121
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Allowance for Loan Losses				0	0
Total Allowance	121	59	59	210	121
Loans individually evaluated for impairment				17	44
Loans collectively evaluated for impairment				36,185	25,490
Loans Acquired with Deteriorated Credit Quality				0	0
Total Loans				36,202	25,534
Other
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	103	100
Total Losses	(251)	(185)	(110)
Total Recoveries	101	75	126
Provision for loan losses	310	113
Ending balance	263	103	100
Allowance related to: Loans individually evaluated for impairment				0	0
Allowance related to: Loans collectively evaluated for impairment				263	103
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Allowance for Loan Losses				0	0
Total Allowance	$ 103	$ 100	$ 100	263	103
Loans individually evaluated for impairment				0	0
Loans collectively evaluated for impairment				13,238	9,489
Loans Acquired with Deteriorated Credit Quality				0	0
Total Loans				$ 13,238	$ 9,489

Loans Acquired with Deteriorated Credit Quality

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- Definition

Reserve for loans impairments recorded after acquisition as a result of current information and events which result in it being probable that estimated cash flows will be less than previously expected or because actual cash flows are less than cash flows previously expected. This relates to loans not accounted for as debt securities, with evidence of deterioration of credit quality since origination that was acquired by completion of a transfer for which it is probable, at acquisition, that the investor will be unable to collect all contractually required payments receivable.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (b)(2)
-URI http://asc.fasb.org/extlink&oid=6379141&loc=d3e15032-111544

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 30
-Section 15
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=27045933&loc=d3e13503-111538

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- Definition

A valuation allowance for financing receivables that are expected to be uncollectible.

+ References

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- Definition

The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment.

+ References

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- Definition

Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment.

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- Definition

Amount of recovery of financing receivables doubtful of collection that were previously charged off.

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

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Amount of direct write-downs of financing receivables charged against the allowance.

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- Definition

The balance of financing receivables that were collectively evaluated for impairment.

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The balance of financing receivables that were individually evaluated for impairment.

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- Definition

Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=65884687&loc=d3e4428-111522

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- Definition

Amount of expense related loan transactions, lease transactions, credit loss from transactions other than loan and lease transactions, and other loss based on assessment of uncollectability from the counterparty to reduce the account to their net realizable value.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-Subparagraph (c)(2)
-URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953423-111524

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-Topic 230
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