Allowance For Loan Losses (Summary Of Net Unearned Income) (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
Mar. 31, 2018	Dec. 31, 2017	Mar. 31, 2018
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	$ 12,565	$ 11,674
Charge-offs	(960)	(1,288)
Recoveries	152	929
Provision	500	1,250
Ending balance	12,257	12,565
Allowance related to: Loans individually evaluated for impairment			$ 868
Allowance related to: Loans collectively evaluated for impairment			11,383
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Allowance for Loan Losses			6
Total, Allowance	12,565	11,674	12,257
Loans individually evaluated for impairment			37,375
Loans collectively evaluated for impairment			1,601,581
Loans Acquired with Deteriorated Credit Quality			4,451
Total, Loans			1,643,407
Land and Land Development [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	641
Charge-offs	0	(3)
Recoveries	7	278
Provision	37
Ending balance	685	641
Allowance related to: Loans individually evaluated for impairment			515
Allowance related to: Loans collectively evaluated for impairment			170
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Allowance for Loan Losses			0
Total, Allowance	641	641	685
Loans individually evaluated for impairment			6,472
Loans collectively evaluated for impairment			60,369
Loans Acquired with Deteriorated Credit Quality			0
Total, Loans			66,841
Construction [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	153
Charge-offs	0	(33)
Recoveries	1	0
Provision	5
Ending balance	159	153
Allowance related to: Loans individually evaluated for impairment			0
Allowance related to: Loans collectively evaluated for impairment			159
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Allowance for Loan Losses			0
Total, Allowance	153	153	159
Loans individually evaluated for impairment			0
Loans collectively evaluated for impairment			33,327
Loans Acquired with Deteriorated Credit Quality			0
Total, Loans			33,327
Commercial [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	1,303
Charge-offs	(39)	(23)
Recoveries	1	124
Provision	(245)
Ending balance	1,020	1,303
Allowance related to: Loans individually evaluated for impairment			0
Allowance related to: Loans collectively evaluated for impairment			1,020
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Allowance for Loan Losses			0
Total, Allowance	1,303	1,303	1,020
Loans individually evaluated for impairment			318
Loans collectively evaluated for impairment			189,268
Loans Acquired with Deteriorated Credit Quality			0
Total, Loans			189,586
Owner Occupied [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	2,424
Charge-offs	(38)	(5)
Recoveries	6	89
Provision	91
Ending balance	2,483	2,424
Allowance related to: Loans individually evaluated for impairment			124
Allowance related to: Loans collectively evaluated for impairment			2,359
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Allowance for Loan Losses			0
Total, Allowance	2,424	2,424	2,483
Loans individually evaluated for impairment			9,474
Loans collectively evaluated for impairment			254,912
Loans Acquired with Deteriorated Credit Quality			689
Total, Loans			265,075
Non-Owner Occupied [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	4,950
Charge-offs	(500)	(65)
Recoveries	2	91
Provision	581
Ending balance	5,033	4,950
Allowance related to: Loans individually evaluated for impairment			24
Allowance related to: Loans collectively evaluated for impairment			5,008
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Allowance for Loan Losses			1
Total, Allowance	4,950	4,950	5,033
Loans individually evaluated for impairment			10,081
Loans collectively evaluated for impairment			487,048
Loans Acquired with Deteriorated Credit Quality			1,316
Total, Loans			498,445
Non-Jumbo [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	1,911
Charge-offs	(260)	(359)
Recoveries	53	134
Provision	285
Ending balance	1,989	1,911
Allowance related to: Loans individually evaluated for impairment			192
Allowance related to: Loans collectively evaluated for impairment			1,792
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Allowance for Loan Losses			5
Total, Allowance	1,911	1,911	1,989
Loans individually evaluated for impairment			6,138
Loans collectively evaluated for impairment			338,886
Loans Acquired with Deteriorated Credit Quality			1,453
Total, Loans			346,477
Jumbo [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	72
Charge-offs	0	(2)
Recoveries	0	0
Provision	302
Ending balance	374	72
Allowance related to: Loans individually evaluated for impairment			13
Allowance related to: Loans collectively evaluated for impairment			361
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Allowance for Loan Losses			0
Total, Allowance	72	72	374
Loans individually evaluated for impairment			4,354
Loans collectively evaluated for impairment			61,822
Loans Acquired with Deteriorated Credit Quality			993
Total, Loans			67,169
Home Equity [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	638
Charge-offs	0	(158)
Recoveries	1	30
Provision	(459)
Ending balance	180	638
Allowance related to: Loans individually evaluated for impairment			0
Allowance related to: Loans collectively evaluated for impairment			180
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Allowance for Loan Losses			0
Total, Allowance	638	638	180
Loans individually evaluated for impairment			523
Loans collectively evaluated for impairment			82,859
Loans Acquired with Deteriorated Credit Quality			0
Total, Loans			83,382
Mortgage Warehouse Lines [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	0
Charge-offs	0	0
Recoveries	0	0
Provision	0
Ending balance	0	0
Allowance related to: Loans individually evaluated for impairment			0
Allowance related to: Loans collectively evaluated for impairment			0
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Allowance for Loan Losses			0
Total, Allowance	0	0	0
Loans individually evaluated for impairment			0
Loans collectively evaluated for impairment			45,702
Loans Acquired with Deteriorated Credit Quality			0
Total, Loans			45,702
Consumer [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	210
Charge-offs	(52)	(389)
Recoveries	44	82
Provision	(40)
Ending balance	162	210
Allowance related to: Loans individually evaluated for impairment			0
Allowance related to: Loans collectively evaluated for impairment			162
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Allowance for Loan Losses			0
Total, Allowance	210	210	162
Loans individually evaluated for impairment			15
Loans collectively evaluated for impairment			34,810
Loans Acquired with Deteriorated Credit Quality			0
Total, Loans			34,825
Other
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	263
Charge-offs	(71)	(251)
Recoveries	37	101
Provision	(57)
Ending balance	172	263
Allowance related to: Loans individually evaluated for impairment			0
Allowance related to: Loans collectively evaluated for impairment			172
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Allowance for Loan Losses			0
Total, Allowance	$ 263	$ 263	172
Loans individually evaluated for impairment			0
Loans collectively evaluated for impairment			12,578
Loans Acquired with Deteriorated Credit Quality			0
Total, Loans			$ 12,578

Loans Acquired with Deteriorated Credit Quality

No definition available.

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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.

+ References

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- Definition

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

+ References

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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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- Definition

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

+ References

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- Definition

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

+ References

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- Definition

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

+ References

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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
-Topic 942
-SubTopic 225
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-04.11)
-URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585

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