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FHLB Advances (Schedule Of Federal Home Loan Advances Pledged By Assets) (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
Collateral pledged to secure advances	$ 85,091	$ 61,616
Securities [Member]
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
Collateral pledged to secure advances	4,641	2,327
Cash [Member]
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
Collateral pledged to secure advances	3,300	3,300
Single-Family Mortgage Loans [Member]
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
Collateral pledged to secure advances	49,616	38,342
Multi-Family Mortgage Loans [Member]
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
Collateral pledged to secure advances	15,125	14,854
Commercial Real Estate [Member]
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
Collateral pledged to secure advances	5,348	$ 2,793
Home Equity Lines of Credit [Member]
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
Collateral pledged to secure advances	$ 7,061

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- Definition

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.

+ References

No definition available.

+ Details

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- Definition

Amount of the collateral pledged in support of federal home loan bank advances outstanding.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 470
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6479118&loc=d3e64650-112822

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 470
-Section 50
-Paragraph 3
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=75038535&loc=d3e64711-112823

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