Loans (Summary of Troubled Debt Restructurings) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Sep. 30, 2014 loan	Sep. 30, 2013 loan
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Subsequent Default, Number of Contracts		0
One-to-four-family [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts	4	4
Financing Receivable, Modifications, Pre-Modification Recorded Investment	$ 1,471	$ 1,089
Financing Receivable, Modifications, Post-Modification Recorded Investment	1,590	1,170
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	1
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	506
Non-residential [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts	1
Financing Receivable, Modifications, Pre-Modification Recorded Investment	532
Financing Receivable, Modifications, Post-Modification Recorded Investment	549
Commercial and Industrial [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts	1
Financing Receivable, Modifications, Pre-Modification Recorded Investment	170
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 167

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Number of financing receivables that have been modified by troubled debt restructurings.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 33

-URI http://asc.fasb.org/extlink&oid=35738203&loc=SL6953676-111524

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Post-modification amount of investment in financing receivables modified by troubled debt restructurings.

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Pre-modification amount of investment in financing receivables modified by troubled debt restructurings.

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Number of financing receivables that have been modified by troubled debt restructurings within the previous 12 months and for which there was a payment default.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 34

-URI http://asc.fasb.org/extlink&oid=35738203&loc=SL6953682-111524

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Amount of investment related to financing receivables modified by troubled debt restructurings within the previous 12 months, for which there was a payment default.

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