Loans Receivable And Allowance For Loan Losses: Schedule of loans evaluated individually for impairment and collectively evaluated for impairment in the allowance for loan losses (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2010
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses, Individually Evaluated for Impairment	$ 3,076	$ 2,902
Allowance for Loan Losses, Collectively Evaluated for Impairment	8,060	8,923
Allowance for Loan Losses, Total	11,136	11,825	11,946	11,264
Recorded Investment in Loans, Individually Evaluated for Impairment	38,099	40,805
Recorded Investment in Loans, Collectively Evaluated for Impairment	522,851	511,270
Loans receivable	560,950	552,075
Mortgage loans, one-to-four family
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses, Individually Evaluated for Impairment	600	678
Allowance for Loan Losses, Collectively Evaluated for Impairment	849	880
Allowance for Loan Losses, Total	1,449	1,558	760	530
Recorded Investment in Loans, Individually Evaluated for Impairment	8,984	5,282
Recorded Investment in Loans, Collectively Evaluated for Impairment	95,314	101,697
Loans receivable	104,298	106,979
Mortgage loans, multi-family
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses, Individually Evaluated for Impairment	334	711
Allowance for Loan Losses, Collectively Evaluated for Impairment	415	445
Allowance for Loan Losses, Total	749	1,156	1,076	393
Recorded Investment in Loans, Individually Evaluated for Impairment	5,184	6,879
Recorded Investment in Loans, Collectively Evaluated for Impairment	45,924	40,642
Loans receivable	51,108	47,521
Mortgage loans, commercial
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses, Individually Evaluated for Impairment	1,763	667
Allowance for Loan Losses, Collectively Evaluated for Impairment	3,512	3,580
Allowance for Loan Losses, Total	5,275	4,247	4,035	3,173
Recorded Investment in Loans, Individually Evaluated for Impairment	19,510	17,192
Recorded Investment in Loans, Collectively Evaluated for Impairment	271,787	239,062
Loans receivable	291,297	256,254
Mortgage loans, construction - custom and owner/builder
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses, Individually Evaluated for Impairment	0	15
Allowance for Loan Losses, Collectively Evaluated for Impairment	262	371
Allowance for Loan Losses, Total	262	386	222	481
Recorded Investment in Loans, Individually Evaluated for Impairment	0	309
Recorded Investment in Loans, Collectively Evaluated for Impairment	22,788	20,159
Loans receivable	22,788	20,468
Mortgage loans, construction - speculative one-to-four family
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses, Individually Evaluated for Impairment	88	109
Allowance for Loan Losses, Collectively Evaluated for Impairment	8	19
Allowance for Loan Losses, Total	96	128	169	414
Recorded Investment in Loans, Individually Evaluated for Impairment	687	1,027
Recorded Investment in Loans, Collectively Evaluated for Impairment	236	495
Loans receivable	923	1,522
Construction - commercial
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses, Individually Evaluated for Impairment	0	0
Allowance for Loan Losses, Collectively Evaluated for Impairment	56	429
Allowance for Loan Losses, Total	56	429	794	245
Recorded Investment in Loans, Individually Evaluated for Impairment	0	0
Recorded Investment in Loans, Collectively Evaluated for Impairment	2,239	17,157
Loans receivable	2,239	17,157
Mortgage loans, construction - multi-family
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses, Individually Evaluated for Impairment	0	0
Allowance for Loan Losses, Collectively Evaluated for Impairment	0	0
Allowance for Loan Losses, Total	0	0	354	245
Recorded Investment in Loans, Individually Evaluated for Impairment	143	345
Recorded Investment in Loans, Collectively Evaluated for Impairment	1	0
Loans receivable	144	345
Mortgage loans, construction - land development
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses, Individually Evaluated for Impairment	0	0
Allowance for Loan Losses, Collectively Evaluated for Impairment	0	0
Allowance for Loan Losses, Total	0	0	79	240
Recorded Investment in Loans, Individually Evaluated for Impairment	515	589
Recorded Investment in Loans, Collectively Evaluated for Impairment	0	0
Loans receivable	515	589
Mortgage loans, land
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses, Individually Evaluated for Impairment	234	686
Allowance for Loan Losses, Collectively Evaluated for Impairment	1,706	1,706
Allowance for Loan Losses, Total	1,940	2,392	2,795	3,709
Recorded Investment in Loans, Individually Evaluated for Impairment	2,391	8,613
Recorded Investment in Loans, Collectively Evaluated for Impairment	28,753	31,042
Loans receivable	31,144	39,655
Consumer loans, home equity and second mortgage
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses, Individually Evaluated for Impairment	57	36
Allowance for Loan Losses, Collectively Evaluated for Impairment	725	723
Allowance for Loan Losses, Total	782	759	460	922
Recorded Investment in Loans, Individually Evaluated for Impairment	679	562
Recorded Investment in Loans, Collectively Evaluated for Impairment	32,335	32,252
Loans receivable	33,014	32,814
Consumer loans, other
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses, Individually Evaluated for Impairment	0	0
Allowance for Loan Losses, Collectively Evaluated for Impairment	200	254
Allowance for Loan Losses, Total	200	254	415	451
Recorded Investment in Loans, Individually Evaluated for Impairment	6	7
Recorded Investment in Loans, Collectively Evaluated for Impairment	5,975	6,176
Loans receivable	5,981	6,183
Commercial business loans
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses, Individually Evaluated for Impairment	0	0
Allowance for Loan Losses, Collectively Evaluated for Impairment	327	516
Allowance for Loan Losses, Total	327	516	787	461
Recorded Investment in Loans, Individually Evaluated for Impairment	0	0
Recorded Investment in Loans, Collectively Evaluated for Impairment	17,499	22,588
Loans receivable	$ 17,499	$ 22,588