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Loans Receivable And Allowance For Loan Losses: Schedule of Loans receivable and Loans held for sale (Details) - USD ($) $ in Thousands | Jun. 30, 2017 | Sep. 30, 2016
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Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans receivable | $ 771,210 | $ 723,828 |
Undisbursed portion of construction loans in process | 72,133 | 48,627 |
Deferred loan origination fees, net | 2,309 | 2,229 |
Allowance for loan losses | 9,610 | 9,826 |
Less: Loans in process, Deferred fees and Allowance for loan losses | 84,052 | 60,682 |
Loans receivable, net | $ 687,158 | $ 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 | $ 687,694 | $ 638,125 |
Ratio of loan category to total loans receivable (percent) | 89.20% | 88.20% |
Mortgage loans, one-to-four family |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Mortgage loans | $ 121,705 | $ 118,560 |
Ratio of loan category to total loans receivable (percent) | 15.80% | 16.40% |
Mortgage loans, multi-family |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Mortgage loans | $ 61,051 | $ 62,303 |
Ratio of loan category to total loans receivable (percent) | 7.90% | 8.60% |
Mortgage loans, commercial |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Mortgage loans | $ 331,901 | $ 312,525 |
Ratio of loan category to total loans receivable (percent) | 43.00% | 43.20% |
Mortgage loans, construction - custom and owner/builder |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Mortgage loans | $ 109,578 | $ 93,049 |
Ratio of loan category to total loans receivable (percent) | 14.30% | 12.90% |
Mortgage loans, construction - speculative one-to-four family |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Mortgage loans | $ 8,002 | $ 8,106 |
Ratio of loan category to total loans receivable (percent) | 1.00% | 1.10% |
Mortgage loans, construction – commercial |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Mortgage loans | $ 20,067 | $ 9,365 |
Ratio of loan category to total loans receivable (percent) | 2.60% | 1.30% |
Mortgage loans, construction - Multi-family |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Mortgage loans | $ 11,057 | $ 12,590 |
Ratio of loan category to total loans receivable (percent) | 1.40% | 1.70% |
Mortgage loans, land |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Mortgage loans | $ 24,333 | $ 21,627 |
Ratio of loan category to total loans receivable (percent) | 3.20% | 3.00% |
Total consumer loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Consumer loans | $ 40,109 | $ 43,866 |
Ratio of loan category to total loans receivable (percent) | 5.20% | 6.00% |
Consumer loans, home equity and second mortgage |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Consumer loans | $ 36,320 | $ 39,727 |
Ratio of loan category to total loans receivable (percent) | 4.70% | 5.50% |
Consumer loans, other |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Consumer loans | $ 3,789 | $ 4,139 |
Ratio of loan category to total loans receivable (percent) | 0.50% | 0.50% |
Commercial business loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Commercial business loans | $ 43,407 | $ 41,837 |
Ratio of loan category to total loans receivable (percent) | 5.60% | 5.80% |
[1] | Derived from audited consolidated financial statements.

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