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Loans Receivable And Allowance For Loan Losses: Schedule 1 of Troubled debt restructured loans (Details) - USD ($) $ in Thousands | Dec. 31, 2018 | Sep. 30, 2018
--- | --- | ---
Financing Receivable, Modifications [Line Items] |  |
Troubled debt restructured loan | $ 3,249 | $ 3,278
Accruing |  |
Financing Receivable, Modifications [Line Items] |  |
Troubled debt restructured loan | 2,941 | 2,955
Non-Accrual |  |
Financing Receivable, Modifications [Line Items] |  |
Troubled debt restructured loan | 308 | 323
Mortgage loans, one-to-four family |  |
Financing Receivable, Modifications [Line Items] |  |
Troubled debt restructured loan | 651 | 509
Mortgage loans, one-to-four family | Accruing |  |
Financing Receivable, Modifications [Line Items] |  |
Troubled debt restructured loan | 505 | 509
Mortgage loans, one-to-four family | Non-Accrual |  |
Financing Receivable, Modifications [Line Items] |  |
Troubled debt restructured loan | 146 | 0
Mortgage loans, commercial |  |
Financing Receivable, Modifications [Line Items] |  |
Troubled debt restructured loan | 2,436 | 2,446
Mortgage loans, commercial | Accruing |  |
Financing Receivable, Modifications [Line Items] |  |
Troubled debt restructured loan | 2,436 | 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 | 162 | 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 | $ 162 | $ 170

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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 + Details
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