Loans Receivable And Allowance For Credit Losses (Troubled Debt Restructurings On Financing Receivables That Subsequently Defaulted) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Mar. 31, 2014 contract	Mar. 31, 2013 contract	Mar. 31, 2014 contract	Mar. 31, 2013 contract
Financing Receivable, Modifications [Line Items]
Number of Contracts	6	15	19	23
Recorded Investment	$ 692	$ 2,178	$ 1,846	$ 2,632
One-To Four-Family Loans - Originated [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	5	11	16	17
Recorded Investment	665	1,106	1,481	1,511
One-To Four-Family Loans - Purchased [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts		3	2	4
Recorded Investment		1,067	338	1,114
Consumer - Home Equity [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	1	1	1	2
Recorded Investment	$ 27	$ 5	$ 27	$ 7