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Loans And Leases (Recorded Investment In Nonperforming Loans By Class Of Loans) (Details) - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans past due over 90 days still on accrual
Total nonaccrual and nonperforming loans	400	470
Single-Family Residential [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total nonaccrual and nonperforming loans	193	253
Purchased for Portfolio [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total nonaccrual and nonperforming loans	96	102
Nonaccrual [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total nonaccrual and nonperforming loans	400	470
Commercial [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total nonaccrual and nonperforming loans	$ 111	$ 115

X

- Definition

Recorded investment in financing receivables that are 90 days or more past due and still accruing.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 7
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5111-111524

+ Details

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X

- Definition

Recorded investment in financing receivables that are on nonaccrual status as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 7
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5111-111524

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- Definition

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+ References

No definition available.

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