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Loans Receivable And Allowance For Loan Losses: Schedule 1 of Troubled debt restructured loans (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Sep. 30, 2018
Financing Receivable, Modifications [Line Items]
Troubled debt restructured loan	$ 3,227	$ 3,278
Accruing
Financing Receivable, Modifications [Line Items]
Troubled debt restructured loan	2,928	2,955
Non-Accrual
Financing Receivable, Modifications [Line Items]
Troubled debt restructured loan	299	323
Mortgage loans, one-to-four family
Financing Receivable, Modifications [Line Items]
Troubled debt restructured loan	645	509
Mortgage loans, one-to-four family | Accruing
Financing Receivable, Modifications [Line Items]
Troubled debt restructured loan	501	509
Mortgage loans, one-to-four family | Non-Accrual
Financing Receivable, Modifications [Line Items]
Troubled debt restructured loan	144	0
Mortgage loans, commercial
Financing Receivable, Modifications [Line Items]
Troubled debt restructured loan	2,427	2,446
Mortgage loans, commercial | Accruing
Financing Receivable, Modifications [Line Items]
Troubled debt restructured loan	2,427	2,446
Mortgage loans, commercial | Non-Accrual
Financing Receivable, Modifications [Line Items]
Troubled debt restructured loan	0	0
Mortgage loans, land
Financing Receivable, Modifications [Line Items]
Troubled debt restructured loan		153
Mortgage loans, land | Accruing
Financing Receivable, Modifications [Line Items]
Troubled debt restructured loan		0
Mortgage loans, land | Non-Accrual
Financing Receivable, Modifications [Line Items]
Troubled debt restructured loan		153
Commercial business loans
Financing Receivable, Modifications [Line Items]
Troubled debt restructured loan	155	170
Commercial business loans | Accruing
Financing Receivable, Modifications [Line Items]
Troubled debt restructured loan	0	0
Commercial business loans | Non-Accrual
Financing Receivable, Modifications [Line Items]
Troubled debt restructured loan	$ 155	$ 170

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+ References

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- Definition

The amount of the outstanding recorded investment related to financing receivables that have been modified by troubled debt restructurings.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 40
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=82895541&loc=d3e18845-111554

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