Loans Receivable And Allowance For Credit Losses (Troubled Debt Restructurings On Financing Receivables That Subsequently Defaulted) (Details) $ in Thousands	12 Months Ended
Sep. 30, 2015 USD ($)	Sep. 30, 2014 USD ($)	Sep. 30, 2013 USD ($)
Financing Receivable, Modifications [Line Items]
Number of Contracts	61	43	48
Recorded Investment	$ 6,671	$ 4,948	$ 4,643
One- To Four-Family Loans - Originated [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	52	38	38
Recorded Investment	$ 5,743	$ 4,112	$ 3,341
One- To Four-Family Loans - Purchased [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	4	3	6
Recorded Investment	$ 890	$ 780	$ 1,270
Multi-Family And Commercial Loans [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	0	0	0
Recorded Investment	$ 0	$ 0	$ 0
Consumer - Home Equity [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	4	2	3
Recorded Investment	$ 33	$ 56	$ 22
Consumer - Other [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	1	0	1
Recorded Investment	$ 5	$ 0	$ 10

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No definition available.

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- Definition

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=49124121&loc=SL6953682-111524

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- Definition

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

+ References

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