Loans And Allowance For Loan Losses (Average Recorded Investment And Interest Income Recognized On Impaired Loans) (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Financing Receivable, Impaired [Line Items]
Average Recorded Investment	$ 18,848	$ 36,942	$ 40,977
Interest Income	878	1,186	1,037
Commercial Real Estate [Member]
Financing Receivable, Impaired [Line Items]
Average Recorded Investment	7,394	25,044	30,257
Interest Income	750	970	968
One-To-Four Family Residential [Member]
Financing Receivable, Impaired [Line Items]
Average Recorded Investment	3,448	2,323	2,764
Interest Income	15	1	1
Real Estate Construction [Member]
Financing Receivable, Impaired [Line Items]
Average Recorded Investment	1,050	997	222
Interest Income	14
Commercial Portfolio Segment [Member]
Financing Receivable, Impaired [Line Items]
Average Recorded Investment	6,905	8,527	7,718
Interest Income	96	215	68
Consumer Portfolio Segment [Member]
Financing Receivable, Impaired [Line Items]
Average Recorded Investment	52	$ 51	$ 16
Interest Income	$ 3

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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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=49124121&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=49124121&loc=d3e5258-111524

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- Definition

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.

+ References

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