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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, 2023 | Sep. 30, 2023
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Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans receivable | $ 1,462,958 | $ 1,426,558 |
Undisbursed portion of construction loans in process (LIP") | 104,683 | 103,194 |
Deferred loan origination fees, net | 5,337 | 5,242 |
Allowance for loan losses | 16,655 | 15,817 |
Less: Loans in process, Deferred fees and Allowance for loan losses | 126,675 | 124,253 |
Loans receivable, net | $ 1,336,283 | $ 1,302,305 | [1]
Ratio of loan category to total loans receivable (percent) | 100.00% | 100.00% |
Mortgage loans excluded | $ 1,425 | $ 400 |
Total mortgage loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Mortgage loans | $ 1,283,264 | $ 1,249,237 |
Ratio of loan category to total loans receivable (percent) | 87.80% | 87.60% |
One-to four-family |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Mortgage loans | $ 263,122 | $ 253,227 |
Ratio of loan category to total loans receivable (percent) | 18.00% | 17.80% |
Multi-family |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Mortgage loans | $ 147,321 | $ 127,176 |
Ratio of loan category to total loans receivable (percent) | 10.10% | 8.90% |
Commercial real estate |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Mortgage loans | $ 579,038 | $ 568,265 |
Ratio of loan category to total loans receivable (percent) | 39.60% | 39.80% |
Construction-custom & owner/builder |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Mortgage loans | $ 134,878 | $ 129,699 |
Ratio of loan category to total loans receivable (percent) | 9.20% | 9.10% |
Construction-speculative one-to four-family |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Mortgage loans | $ 17,609 | $ 17,099 |
Ratio of loan category to total loans receivable (percent) | 1.20% | 1.20% |
Construction-commercial |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Mortgage loans | $ 36,702 | $ 51,064 |
Ratio of loan category to total loans receivable (percent) | 2.50% | 3.60% |
Construction-multi-family |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Mortgage loans | $ 57,019 | $ 57,140 |
Ratio of loan category to total loans receivable (percent) | 3.90% | 4.00% |
Construction-land development |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Mortgage loans | $ 18,878 | $ 18,841 |
Ratio of loan category to total loans receivable (percent) | 1.30% | 1.30% |
Land |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Mortgage loans | $ 28,697 | $ 26,726 |
Ratio of loan category to total loans receivable (percent) | 2.00% | 1.90% |
Total consumer loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Consumer loans | $ 42,329 | $ 41,053 |
Ratio of loan category to total loans receivable (percent) | 2.90% | 2.90% |
Home equity |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Consumer loans | $ 39,403 | $ 38,281 |
Ratio of loan category to total loans receivable (percent) | 2.70% | 2.70% |
Consumer loans, other |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Consumer loans | $ 2,926 | $ 2,772 |
Ratio of loan category to total loans receivable (percent) | 0.20% | 0.20% |
Commercial business |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Commercial business loans | $ 136,942 | $ 135,802 |
Ratio of loan category to total loans receivable (percent) | 9.30% | 9.50% |
SBA PPP |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Commercial business loans | $ 423 | $ 466 |
Ratio of loan category to total loans receivable (percent) | 0.00% | 0.00% |
Total Commercial Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Commercial business loans | $ 137,365 | $ 136,268 |
Ratio of loan category to total loans receivable (percent) | 9.30% | 9.50% |
[1] | Derived from audited consolidated financial statements.

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