Allowance For Loan Losses (Summary Of Net Unearned Income) (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
Sep. 30, 2018	Dec. 31, 2017	Sep. 30, 2018	Dec. 31, 2017
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	$ 12,565	$ 11,674
Charge-offs	(1,899)	(1,288)
Recoveries	528	929
Provision	1,750	1,250
Ending balance	12,944	12,565
Allowance related to: Loans individually evaluated for impairment			$ 1,852	$ 1,590
Allowance related to: Loans collectively evaluated for impairment			11,080	10,968
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Allowance for Loan Losses			12	7
Total, Allowance	12,565	11,674	12,944	12,565
Loans individually evaluated for impairment			43,777	37,805
Loans collectively evaluated for impairment			1,597,535	1,563,485
Loans Acquired with Deteriorated Credit Quality			4,379	5,019
Total, Loans			1,645,691	1,606,309
Land and Land Development [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	641	2,263
Charge-offs	(222)	(3)
Recoveries	217	278
Provision	161	(1,897)
Ending balance	797	641
Allowance related to: Loans individually evaluated for impairment			772	524
Allowance related to: Loans collectively evaluated for impairment			25	117
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Allowance for Loan Losses			0	0
Total, Allowance	641	2,263	797	641
Loans individually evaluated for impairment			5,884	6,482
Loans collectively evaluated for impairment			65,935	60,737
Loans Acquired with Deteriorated Credit Quality			0	0
Total, Loans			71,819	67,219
Construction [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	153	24
Charge-offs	0	(33)
Recoveries	0	0
Provision	(40)	162
Ending balance	113	153
Allowance related to: Loans individually evaluated for impairment			0	0
Allowance related to: Loans collectively evaluated for impairment			113	153
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Allowance for Loan Losses			0	0
Total, Allowance	153	24	113	153
Loans individually evaluated for impairment			0	0
Loans collectively evaluated for impairment			25,703	33,412
Loans Acquired with Deteriorated Credit Quality			0	0
Total, Loans			25,703	33,412
Commercial [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	1,303	934
Charge-offs	(248)	(23)
Recoveries	12	124
Provision	(68)	268
Ending balance	999	1,303
Allowance related to: Loans individually evaluated for impairment			26	252
Allowance related to: Loans collectively evaluated for impairment			973	1,051
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Allowance for Loan Losses			0	0
Total, Allowance	1,303	934	999	1,303
Loans individually evaluated for impairment			4,483	495
Loans collectively evaluated for impairment			163,489	189,477
Loans Acquired with Deteriorated Credit Quality			0	9
Total, Loans			167,972	189,981
Owner Occupied [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	2,424	2,109
Charge-offs	(38)	(5)
Recoveries	19	89
Provision	321	231
Ending balance	2,726	2,424
Allowance related to: Loans individually evaluated for impairment			271	125
Allowance related to: Loans collectively evaluated for impairment			2,455	2,299
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Allowance for Loan Losses			0	0
Total, Allowance	2,424	2,109	2,726	2,424
Loans individually evaluated for impairment			11,376	9,545
Loans collectively evaluated for impairment			260,417	239,968
Loans Acquired with Deteriorated Credit Quality			682	689
Total, Loans			272,475	250,202
Non-Owner Occupied [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	4,950	3,438
Charge-offs	(500)	(65)
Recoveries	0	91
Provision	779	1,486
Ending balance	5,229	4,950
Allowance related to: Loans individually evaluated for impairment			88	517
Allowance related to: Loans collectively evaluated for impairment			5,138	4,432
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Allowance for Loan Losses			3	1
Total, Allowance	4,950	3,438	5,229	4,950
Loans individually evaluated for impairment			9,814	10,443
Loans collectively evaluated for impairment			519,440	472,622
Loans Acquired with Deteriorated Credit Quality			1,314	1,837
Total, Loans			530,568	484,902
Non-Jumbo [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	1,911	2,174
Charge-offs	(460)	(359)
Recoveries	75	134
Provision	691	(38)
Ending balance	2,217	1,911
Allowance related to: Loans individually evaluated for impairment			588	158
Allowance related to: Loans collectively evaluated for impairment			1,620	1,747
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Allowance for Loan Losses			9	6
Total, Allowance	1,911	2,174	2,217	1,911
Loans individually evaluated for impairment			7,380	5,907
Loans collectively evaluated for impairment			331,996	346,709
Loans Acquired with Deteriorated Credit Quality			1,407	1,485
Total, Loans			340,783	354,101
Jumbo [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	72	95
Charge-offs	0	(2)
Recoveries	0	0
Provision	311	(21)
Ending balance	383	72
Allowance related to: Loans individually evaluated for impairment			107	14
Allowance related to: Loans collectively evaluated for impairment			276	58
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Allowance for Loan Losses			0	0
Total, Allowance	72	95	383	72
Loans individually evaluated for impairment			4,306	4,393
Loans collectively evaluated for impairment			67,045	56,875
Loans Acquired with Deteriorated Credit Quality			976	999
Total, Loans			72,327	62,267
Home Equity [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	638	413
Charge-offs	(25)	(158)
Recoveries	7	30
Provision	(469)	353
Ending balance	151	638
Allowance related to: Loans individually evaluated for impairment			0	0
Allowance related to: Loans collectively evaluated for impairment			151	638
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Allowance for Loan Losses			0	0
Total, Allowance	638	413	151	638
Loans individually evaluated for impairment			523	523
Loans collectively evaluated for impairment			81,495	83,505
Loans Acquired with Deteriorated Credit Quality			0	0
Total, Loans			82,018	84,028
Mortgage Warehouse Lines [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	0	0
Charge-offs	0	0
Recoveries	0	0
Provision	0	0
Ending balance	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
Loans individually evaluated for impairment			0	0
Loans collectively evaluated for impairment			35,910	30,757
Loans Acquired with Deteriorated Credit Quality			0	0
Total, Loans			35,910	30,757
Consumer [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	210	121
Charge-offs	(195)	(389)
Recoveries	107	82
Provision	69	396
Ending balance	191	210
Allowance related to: Loans individually evaluated for impairment			0	0
Allowance related to: Loans collectively evaluated for impairment			191	210
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Allowance for Loan Losses			0	0
Total, Allowance	210	121	191	210
Loans individually evaluated for impairment			11	17
Loans collectively evaluated for impairment			33,653	36,185
Loans Acquired with Deteriorated Credit Quality			0	0
Total, Loans			33,664	36,202
Other
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	263	103
Charge-offs	(211)	(251)
Recoveries	91	101
Provision	(5)	310
Ending balance	138	263
Allowance related to: Loans individually evaluated for impairment			0	0
Allowance related to: Loans collectively evaluated for impairment			138	263
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Allowance for Loan Losses			0	0
Total, Allowance	$ 263	$ 103	138	263
Loans individually evaluated for impairment			0	0
Loans collectively evaluated for impairment			12,452	13,238
Loans Acquired with Deteriorated Credit Quality			0	0
Total, Loans			$ 12,452	$ 13,238

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://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 30
-Section 15
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- Definition

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

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

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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.

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No definition available.

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

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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://fasb.org/us-gaap/role/ref/legacyRef
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-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
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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.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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