Loans Receivable And Allowance For Loan Losses: Schedule of Allowance for Loan Losses (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2011
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Allowance for loan losses, Beginning Allowance	$ 11,825	$ 11,946	$ 11,264
Provision/(Credit)	2,925	3,500	6,758
Charge-offs	4,100	4,327	6,468
Recoveries	486	706	392
Allowance for loan losses, Ending Allowance	11,136	11,825	11,946
Mortgage loans, one-to-four family
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Allowance for loan losses, Beginning Allowance	1,558	760	530
Provision/(Credit)	565	1,000	622
Charge-offs	769	276	543
Recoveries	95	74	151
Allowance for loan losses, Ending Allowance	1,449	1,558	760
Mortgage loans, multi-family
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Allowance for loan losses, Beginning Allowance	1,156	1,076	393
Provision/(Credit)	(407)	80	642
Charge-offs	0	14	0
Recoveries	0	14	41
Allowance for loan losses, Ending Allowance	749	1,156	1,076
Mortgage loans, commercial
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Allowance for loan losses, Beginning Allowance	4,247	4,035	3,173
Provision/(Credit)	1,640	1,427	804
Charge-offs	667	1,215	47
Recoveries	55	0	105
Allowance for loan losses, Ending Allowance	5,275	4,247	4,035
Mortgage loans, construction - custom and owner/builder
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Allowance for loan losses, Beginning Allowance	386	222	481
Provision/(Credit)	(124)	164	(211)
Charge-offs	26	0	48
Recoveries	26	0	0
Allowance for loan losses, Ending Allowance	262	386	222
Mortgage loans, construction - speculative one-to-four family
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Allowance for loan losses, Beginning Allowance	128	169	414
Provision/(Credit)	(32)	(42)	(142)
Charge-offs	0	0	103
Recoveries	0	1	0
Allowance for loan losses, Ending Allowance	96	128	169
Construction - commercial
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Allowance for loan losses, Beginning Allowance	429	794	245
Provision/(Credit)	(373)	257	1,993
Charge-offs	0	622	1,444
Recoveries	0	0	0
Allowance for loan losses, Ending Allowance	56	429	794
Mortgage loans, construction - multi-family
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Allowance for loan losses, Beginning Allowance	0	354	245
Provision/(Credit)	116	(780)	1,328
Charge-offs	116	24	1,219
Recoveries	0	450	0
Allowance for loan losses, Ending Allowance	0	0	354
Mortgage loans, construction - land development
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Allowance for loan losses, Beginning Allowance	0	79	240
Provision/(Credit)	(129)	106	993
Charge-offs	17	239	1,158
Recoveries	146	54	4
Allowance for loan losses, Ending Allowance	0	0	79
Mortgage loans, land
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Allowance for loan losses, Beginning Allowance	2,392	2,795	3,709
Provision/(Credit)	1,801	751	744
Charge-offs	2,307	1,251	1,704
Recoveries	54	97	46
Allowance for loan losses, Ending Allowance	1,940	2,392	2,795
Consumer loans, home equity and second mortgage
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Allowance for loan losses, Beginning Allowance	759	460	922
Provision/(Credit)	202	517	(354)
Charge-offs	184	232	150
Recoveries	5	14	42
Allowance for loan losses, Ending Allowance	782	759	460
Consumer loans, other
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Allowance for loan losses, Beginning Allowance	254	415	451
Provision/(Credit)	(40)	(137)	(8)
Charge-offs	14	24	30
Recoveries	0	0	2
Allowance for loan losses, Ending Allowance	200	254	415
Commercial business loans
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Allowance for loan losses, Beginning Allowance	516	787	461
Provision/(Credit)	(294)	157	347
Charge-offs	0	430	22
Recoveries	105	2	1
Allowance for loan losses, Ending Allowance	$ 327	$ 516	$ 787