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Loans Receivable And Allowance For Loan Losses: Schedule of Loans receivable and Loans held for sale (Details) - USD ($) $ in Thousands | Dec. 31, 2016 | Sep. 30, 2016
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Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans receivable | $ 735,328 | $ 723,828 |
Undisbursed portion of construction loans in process | 54,161 | 48,627 |
Deferred loan origination fees | 2,184 | 2,229 |
Allowance for loan losses | 9,843 | 9,826 |
Less: Loans in process, Deferred fees and Allowance for loan losses | 66,188 | 60,682 |
Loans receivable, net | $ 669,140 | $ 663,146 | [1]
Ratio of loan category to total loans receivable (percent) | 100.00% | 100.00% |
Total mortgage loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Mortgage loans | $ 650,546 | $ 638,125 |
Ratio of loan category to total loans receivable (percent) | 88.40% | 88.20% |
Mortgage loans, one-to-four family |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Mortgage loans | $ 119,485 | $ 118,560 |
Ratio of loan category to total loans receivable (percent) | 16.20% | 16.40% |
Mortgage loans, multi-family |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Mortgage loans | $ 52,062 | $ 62,303 |
Ratio of loan category to total loans receivable (percent) | 7.10% | 8.60% |
Mortgage loans, commercial |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Mortgage loans | $ 323,496 | $ 312,525 |
Ratio of loan category to total loans receivable (percent) | 44.00% | 43.20% |
Mortgage loans, construction - custom and owner/builder |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Mortgage loans | $ 96,292 | $ 93,049 |
Ratio of loan category to total loans receivable (percent) | 13.10% | 12.90% |
Mortgage loans, construction - speculative one-to-four family |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Mortgage loans | $ 6,133 | $ 8,106 |
Ratio of loan category to total loans receivable (percent) | 0.80% | 1.10% |
Mortgage loans, construction – commercial |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Mortgage loans | $ 8,627 | $ 9,365 |
Ratio of loan category to total loans receivable (percent) | 1.20% | 1.30% |
Mortgage loans, construction - Multi-family |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Mortgage loans | $ 22,092 | $ 12,590 |
Ratio of loan category to total loans receivable (percent) | 3.00% | 1.70% |
Mortgage loans, land |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Mortgage loans | $ 22,359 | $ 21,627 |
Ratio of loan category to total loans receivable (percent) | 3.00% | 3.00% |
Total consumer loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Consumer loans | $ 42,125 | $ 43,866 |
Ratio of loan category to total loans receivable (percent) | 5.80% | 6.00% |
Consumer loans, home equity and second mortgage |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Consumer loans | $ 37,602 | $ 39,727 |
Ratio of loan category to total loans receivable (percent) | 5.10% | 5.50% |
Consumer loans, other |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Consumer loans | $ 4,523 | $ 4,139 |
Ratio of loan category to total loans receivable (percent) | 0.70% | 0.50% |
Commercial business loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Commercial business loans | $ 42,657 | $ 41,837 |
Ratio of loan category to total loans receivable (percent) | 5.80% | 5.80% |
[1] | Derived from audited consolidated financial statements.

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