Loans Receivable And Allowance For Loan Losses: Troubled Debt Restructurings on Financing Receivables (Details) (USD $)	Jun. 30, 2013		Sep. 30, 2012
Financing Receivable, Modifications [Line Items]
Loans accounted for on a non-accrual basis	$ 11,828,000		$ 21,331,000
Accruing loans which are contractually past due 90 days or more	157,000		1,198,000
Total of non-accrual and 90 days past due loans (1)	11,985,000		22,529,000
Non-accrual investment securities	2,327,000		2,442,000
OREO and other repossessed assets, net	15,314,000		13,302,000
Total non-performing assets	29,626,000	[1]	38,273,000	[1]
Troubled debt restructured loans on accrual status	21,449,000		23,504,000
Non-accrual and 90 days or more past due loans as a percentage of loans receivable	2.15%		4.09%
Non-accrual and 90 days or more past due loans as a percentage of total assets	1.64%		3.06%
Non-performing assets as a percentage of total assets	4.04%		5.19%
Loans receivable	556,414,000	[2]	550,305,000	[2]
Total assets	732,775,000		736,954,000
Loans and Leases Receivable, Impaired, Commitment to Lend	1,000		1,000
Accruing
Financing Receivable, Modifications [Line Items]
Troubled debt restructured loans on accrual status	18,958,000	[3]	13,410,000	[3]
Non-Accrual
Financing Receivable, Modifications [Line Items]
Troubled debt restructured loans on accrual status	2,491,000		10,094,000
Mortgage loans, one-to-four family
Financing Receivable, Modifications [Line Items]
Loans accounted for on a non-accrual basis	5,930,000		3,382,000
Troubled debt restructured loans on accrual status	2,226,000		1,900,000
Mortgage loans, one-to-four family | Accruing
Financing Receivable, Modifications [Line Items]
Troubled debt restructured loans on accrual status	2,082,000		1,900,000
Mortgage loans, one-to-four family | Non-Accrual
Financing Receivable, Modifications [Line Items]
Troubled debt restructured loans on accrual status	144,000		0
Mortgage loans, multi-family
Financing Receivable, Modifications [Line Items]
Loans accounted for on a non-accrual basis	789,000		1,449,000
Troubled debt restructured loans on accrual status	5,433,000		5,430,000
Mortgage loans, multi-family | Accruing
Financing Receivable, Modifications [Line Items]
Troubled debt restructured loans on accrual status	5,433,000		5,430,000
Mortgage loans, multi-family | Non-Accrual
Financing Receivable, Modifications [Line Items]
Troubled debt restructured loans on accrual status	0		0
Mortgage loans, commercial
Financing Receivable, Modifications [Line Items]
Loans accounted for on a non-accrual basis	1,680,000		6,049,000
Troubled debt restructured loans on accrual status	10,207,000		9,941,000
Mortgage loans, commercial | Accruing
Financing Receivable, Modifications [Line Items]
Troubled debt restructured loans on accrual status	10,207,000		5,079,000
Mortgage loans, commercial | Non-Accrual
Financing Receivable, Modifications [Line Items]
Troubled debt restructured loans on accrual status	0		4,862,000
Mortgage loans, construction - custom and owner/builder
Financing Receivable, Modifications [Line Items]
Loans accounted for on a non-accrual basis	74,000		309,000
Mortgage loans, construction - speculative one-to-four family
Financing Receivable, Modifications [Line Items]
Loans accounted for on a non-accrual basis	0		327,000
Troubled debt restructured loans on accrual status	691,000		700,000
Mortgage loans, construction - speculative one-to-four family | Accruing
Financing Receivable, Modifications [Line Items]
Troubled debt restructured loans on accrual status	691,000		700,000
Mortgage loans, construction - speculative one-to-four family | Non-Accrual
Financing Receivable, Modifications [Line Items]
Troubled debt restructured loans on accrual status	0		0
Mortgage loans, construction - Multi-family
Financing Receivable, Modifications [Line Items]
Loans accounted for on a non-accrual basis	289,000		345,000
Mortgage loans, construction - land development
Financing Receivable, Modifications [Line Items]
Loans accounted for on a non-accrual basis	516,000		589,000
Troubled debt restructured loans on accrual status	516,000		526,000
Mortgage loans, construction - land development | Accruing
Financing Receivable, Modifications [Line Items]
Troubled debt restructured loans on accrual status	0		0
Mortgage loans, construction - land development | Non-Accrual
Financing Receivable, Modifications [Line Items]
Troubled debt restructured loans on accrual status	516,000		526,000
Mortgage loans, land
Financing Receivable, Modifications [Line Items]
Loans accounted for on a non-accrual basis	2,314,000		8,613,000
Troubled debt restructured loans on accrual status	1,896,000		4,445,000
Mortgage loans, land | Accruing
Financing Receivable, Modifications [Line Items]
Troubled debt restructured loans on accrual status	245,000		0
Mortgage loans, land | Non-Accrual
Financing Receivable, Modifications [Line Items]
Troubled debt restructured loans on accrual status	1,651,000		4,445,000
Consumer loans, home equity and second mortgage
Financing Receivable, Modifications [Line Items]
Loans accounted for on a non-accrual basis	230,000		261,000
Troubled debt restructured loans on accrual status	480,000		562,000
Consumer loans, home equity and second mortgage | Accruing
Financing Receivable, Modifications [Line Items]
Troubled debt restructured loans on accrual status	300,000		301,000
Consumer loans, home equity and second mortgage | Non-Accrual
Financing Receivable, Modifications [Line Items]
Troubled debt restructured loans on accrual status	180,000		261,000
Consumer loans, other
Financing Receivable, Modifications [Line Items]
Loans accounted for on a non-accrual basis	$ 6,000		$ 7,000

[1]

[2] Includes loans held for sale and before the allowance for loan losses.

[3] Does not include troubled debt restructured loans on accrual status.