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Fair Value Measurements: Schedule of estimated fair values of financial instruments (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Sep. 30, 2015
Recorded Amount
Fair value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and cash equivalents	$ 110,029	$ 92,289
CDs held for investment	52,524	48,611
Investment securities	9,108	9,305
FHLB stock	2,804	2,699
Loans receivable, net	622,851	604,277
Loans held for sale	1,584	3,051
Accrued interest receivable	2,232	2,170
Non-interest-bearing demand	148,980	141,388
Interest-bearing	563,058	537,524
Total deposits	712,038	678,912
FHLB advances	45,000	45,000
Accrued interest payable	311	289
Fair Value
Fair value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and cash equivalents	110,029	92,289
CDs held for investment	52,524	48,611
Investment securities	9,993	10,286
FHLB stock	2,804	2,699
Loans receivable, net	630,306	614,734
Loans held for sale	1,631	3,139
Accrued interest receivable	2,232	2,170
Non-interest-bearing demand	148,980	141,388
Interest-bearing	563,459	538,092
Total deposits	712,439	679,480
FHLB advances	46,288	46,742
Accrued interest payable	311	289
Fair Value | Fair Value, Inputs, Level 1
Fair value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and cash equivalents	110,029	92,289
CDs held for investment	52,524	48,611
Investment securities	3,998	3,996
FHLB stock	2,804	2,699
Loans receivable, net	0	0
Loans held for sale	1,631	3,139
Accrued interest receivable	2,232	2,170
Non-interest-bearing demand	148,980	141,388
Interest-bearing	412,062	383,419
Total deposits	561,042	524,807
FHLB advances	0	0
Accrued interest payable	311	289
Fair Value | Fair Value, Inputs, Level 2
Fair value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and cash equivalents	0	0
CDs held for investment	0	0
Investment securities	5,995	6,290
FHLB stock	0	0
Loans receivable, net	0	0
Loans held for sale	0	0
Accrued interest receivable	0	0
Non-interest-bearing demand	0	0
Interest-bearing	0	0
Total deposits	0	0
FHLB advances	46,288	46,742
Accrued interest payable	0	0
Fair Value | Fair Value, Inputs, Level 3
Fair value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and cash equivalents	0	0
CDs held for investment	0	0
Investment securities	0	0
FHLB stock	0	0
Loans receivable, net	630,306	614,734
Loans held for sale	0	0
Accrued interest receivable	0	0
Non-interest-bearing demand	0	0
Interest-bearing	151,397	154,673
Total deposits	151,397	154,673
FHLB advances	0	0
Accrued interest payable	$ 0	$ 0

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Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-URI http://asc.fasb.org/extlink&oid=6506951

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-Name Accounting Standards Codification
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Fair value portion of deposit liabilities held by the entity, including, but not limited to, foreign and domestic, interest and noninterest bearing, demand deposits, saving deposits, negotiable orders of withdrawal (NOW) and time deposits.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Fair value portion of borrowing from Federal Home Loan Bank (FHLBank).

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The fair value as of the balance sheet date of firm holdings in mortgages, mortgage backed securities (investment instruments that represent ownership of an undivided interest in a group of mortgages, where principal and interest from the individual mortgages are used to pay investors' principal and interest on the mortgage backed security) and asset-backed securities that are primarily paid from the cash flows of a discrete pool of receivables or other financial assets (such as credit-card receivables), either fixed or revolving, that by their terms convert into cash within a finite time period. Includes both pledged (to counterparties as collateral for financing transactions) and unpledged holdings.

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Fair value portion of investments in Federal Home Loan Bank (FHLBank) stock.

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Fair value portion of investment securities, including, but not limited to, marketable securities, derivative financial instruments, and investments accounted for under the equity method.

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Fair value portion of loans held-for-sale including, but not limited to, mortgage loans and finance receivables.

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Fair value portion of loan receivable, including, but not limited to, mortgage loans held for investment, finance receivables held for investment, policy loans on insurance contracts.

+ References

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