Loans Receivable And Allowance For Loan Losses: Financing Receivable Credit Quality Indicators (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Sep. 30, 2012
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	$ 560,950	$ 552,075
Pass
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	495,608	471,879
Watch
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	14,448	14,170
Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	22,916	32,944
Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	27,978	33,082
Mortgage loans, one-to-four family
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	104,298	106,979
Mortgage loans, one-to-four family | Pass
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	91,291	93,668
Mortgage loans, one-to-four family | Watch
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	4,032	4,000
Mortgage loans, one-to-four family | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	769	4,343
Mortgage loans, one-to-four family | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	8,206	4,968
Mortgage loans, multi-family
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	51,108	47,521
Mortgage loans, multi-family | Pass
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	41,863	35,703
Mortgage loans, multi-family | Watch
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	132	107
Mortgage loans, multi-family | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	8,337	10,220
Mortgage loans, multi-family | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	776	1,491
Mortgage loans, commercial
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	291,297	256,254
Mortgage loans, commercial | Pass
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	262,502	228,036
Mortgage loans, commercial | Watch
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	3,309	1,722
Mortgage loans, commercial | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	12,522	11,515
Mortgage loans, commercial | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	12,964	14,981
Mortgage loans, construction - custom and owner/builder
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	22,788	20,468
Mortgage loans, construction - custom and owner/builder | Pass
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	22,788	17,621
Mortgage loans, construction - custom and owner/builder | Watch
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	0	0
Mortgage loans, construction - custom and owner/builder | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	0	2,538
Mortgage loans, construction - custom and owner/builder | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	0	309
Mortgage loans, construction - speculative one-to-four family
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	923	1,522
Mortgage loans, construction - speculative one-to-four family | Pass
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	236	304
Mortgage loans, construction - speculative one-to-four family | Watch
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	687	191
Mortgage loans, construction - speculative one-to-four family | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	0	700
Mortgage loans, construction - speculative one-to-four family | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	0	327
Construction - commercial
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	2,239	17,157
Construction - commercial | Pass
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	2,239	17,157
Construction - commercial | Watch
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	0	0
Construction - commercial | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	0	0
Construction - commercial | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	0	0
Mortgage loans, construction - multi-family
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	144	345
Mortgage loans, construction - multi-family | Pass
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	0	0
Mortgage loans, construction - multi-family | Watch
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	0	0
Mortgage loans, construction - multi-family | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	0	0
Mortgage loans, construction - multi-family | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	144	345
Mortgage loans, construction - land development
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	515	589
Mortgage loans, construction - land development | Pass
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	0	0
Mortgage loans, construction - land development | Watch
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	0	0
Mortgage loans, construction - land development | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	0	0
Mortgage loans, construction - land development | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	515	589
Mortgage loans, land
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	31,144	39,655
Mortgage loans, land | Pass
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	20,627	22,700
Mortgage loans, land | Watch
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	5,101	5,788
Mortgage loans, land | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	1,129	2,554
Mortgage loans, land | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	4,287	8,613
Consumer loans, home equity and second mortgage
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	33,014	32,814
Consumer loans, home equity and second mortgage | Pass
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	31,096	29,777
Consumer loans, home equity and second mortgage | Watch
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	782	1,488
Consumer loans, home equity and second mortgage | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	55	788
Consumer loans, home equity and second mortgage | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	1,081	761
Consumer loans, other
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	5,981	6,183
Consumer loans, other | Pass
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	5,937	6,136
Consumer loans, other | Watch
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	39	40
Consumer loans, other | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	0	0
Consumer loans, other | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	5	7
Commercial business loans
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	17,499	22,588
Commercial business loans | Pass
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	17,029	20,777
Commercial business loans | Watch
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	366	834
Commercial business loans | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	104	286
Commercial business loans | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	$ 0	$ 691