Loans Receivable And Allowance For Credit Losses (Allowance For Credit Losses) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	$ 8,967	$ 10,072	$ 8,822	$ 11,100
Charge-offs	(308)	(171)	(854)	(1,494)
Recoveries	116	138	132	200
Provision for credit losses	307	(800)	982	(567)
Ending Balance	9,082	9,239	9,082	9,239
One-To Four-Family Loans - Originated [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	6,737	6,002	5,771	6,074
Charge-offs	(144)	(60)	(284)	(563)
Recoveries		13	1	13
Provision for credit losses	(394)	(202)	711	229
Ending Balance	6,199	5,753	6,199	5,753
One-To Four-Family Loans - Purchased [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	1,817	3,495	2,486	4,453
Charge-offs	(149)		(536)	(685)
Recoveries	64	118	64	160
Provision for credit losses	749	(677)	467	(992)
Ending Balance	2,481	2,936	2,481	2,936
One-To Four-Family Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	8,554	9,497	8,257	10,527
Charge-offs	(293)	(60)	(820)	(1,248)
Recoveries	64	131	65	173
Provision for credit losses	355	(879)	1,178	(763)
Ending Balance	8,680	8,689	8,680	8,689
Multi-Family And Commercial [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	143	208	185	219
Provision for credit losses	18	(34)	(24)	(45)
Ending Balance	161	174	161	174
Consumer [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	270	367	380	354
Charge-offs	(15)	(111)	(34)	(246)
Recoveries	52	7	67	27
Provision for credit losses	(66)	113	(172)	241
Ending Balance	$ 241	$ 376	$ 241	$ 376