Loans Receivable And Allowance For Credit Losses (Allowance For Credit Losses) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	$ 8,822	$ 11,100
Charge-offs	(425)	(866)
Recoveries	7	10
Provision for credit losses	515	233
Ending Balance	8,919	10,477
One-To Four-Family Loans - Originated [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	5,771	6,074
Charge-offs	(88)	(219)
Recoveries	1
Provision for credit losses	155	(216)
Ending Balance	5,839	5,639
One-To Four-Family Loans - Purchased [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	2,486	4,453
Charge-offs	(327)	(532)
Provision for credit losses	354	369
Ending Balance	2,513	4,290
One-To Four-Family Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	8,257	10,527
Charge-offs	(415)	(751)
Recoveries	1
Provision for credit losses	509	153
Ending Balance	8,352	9,929
Multi-Family And Commercial [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	185	219
Provision for credit losses	(3)	(18)
Ending Balance	182	201
Consumer [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	380	354
Charge-offs	(10)	(115)
Recoveries	6	10
Provision for credit losses	9	98
Ending Balance	$ 385	$ 347