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Loans Receivable And Allowance For Loan Losses: Schedule of Allowance for Loan Losses (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |
Allowance for loan losses, Beginning Allowance | $ 13,469 | $ 13,414
Provision for (Recapture of) Loan Losses | 0 | 0
Charge- offs | (1) | 0
Recoveries | 0 | 18
Allowance for loan losses, Ending Allowance | 13,468 | 13,432
Mortgage loans, one-to-four family |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |
Allowance for loan losses, Beginning Allowance | 1,154 | 1,163
Provision for (Recapture of) Loan Losses | 83 | (28)
Charge- offs | 0 | 0
Recoveries | 0 | 0
Allowance for loan losses, Ending Allowance | 1,237 | 1,135
Mortgage loans, multi-family |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |
Allowance for loan losses, Beginning Allowance | 765 | 718
Provision for (Recapture of) Loan Losses | (17) | 39
Charge- offs | 0 | 0
Recoveries | 0 | 0
Allowance for loan losses, Ending Allowance | 748 | 757
Mortgage loans, commercial |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |
Allowance for loan losses, Beginning Allowance | 6,813 | 7,144
Provision for (Recapture of) Loan Losses | (6) | (8)
Charge- offs | 0 | 0
Recoveries | 0 | 0
Allowance for loan losses, Ending Allowance | 6,807 | 7,136
Mortgage loans, construction - custom and owner/builder |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |
Allowance for loan losses, Beginning Allowance | 644 | 832
Provision for (Recapture of) Loan Losses | 27 | (62)
Charge- offs | 0 | 0
Recoveries | 0 | 0
Allowance for loan losses, Ending Allowance | 671 | 770
Mortgage loans, construction - speculative one-to-four family |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |
Allowance for loan losses, Beginning Allowance | 188 | 158
Provision for (Recapture of) Loan Losses | (35) | 24
Charge- offs | 0 | 0
Recoveries | 0 | 0
Allowance for loan losses, Ending Allowance | 153 | 182
Mortgage loans, construction – commercial |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |
Allowance for loan losses, Beginning Allowance | 784 | 420
Provision for (Recapture of) Loan Losses | (191) | 138
Charge- offs | 0 | 0
Recoveries | 0 | 0
Allowance for loan losses, Ending Allowance | 593 | 558
Mortgage loans, construction - Multi-family |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |
Allowance for loan losses, Beginning Allowance | 436 | 238
Provision for (Recapture of) Loan Losses | 24 | (52)
Charge- offs | 0 | 0
Recoveries | 0 | 0
Allowance for loan losses, Ending Allowance | 460 | 186
Mortgage loans, construction - Land development |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |
Allowance for loan losses, Beginning Allowance | 124 | 133
Provision for (Recapture of) Loan Losses | 33 | (10)
Charge- offs | 0 |
Recoveries | 0 | 0
Allowance for loan losses, Ending Allowance | 157 | 123
Mortgage loans, land |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |
Allowance for loan losses, Beginning Allowance | 470 | 572
Provision for (Recapture of) Loan Losses | (35) | (103)
Charge- offs | 0 | 0
Recoveries | 0 | 5
Allowance for loan losses, Ending Allowance | 435 | 474
Consumer loans, home equity and second mortgage |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |
Allowance for loan losses, Beginning Allowance | 528 | 593
Provision for (Recapture of) Loan Losses | 4 | 12
Charge- offs | 0 | 0
Recoveries | 0 | 0
Allowance for loan losses, Ending Allowance | 532 | 605
Consumer loans, other |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |
Allowance for loan losses, Beginning Allowance | 50 | 71
Provision for (Recapture of) Loan Losses | (1) | (18)
Charge- offs | (1) | 0
Recoveries | 0 | 4
Allowance for loan losses, Ending Allowance | 48 | 57
Commercial business loans |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |
Allowance for loan losses, Beginning Allowance | 1,513 | 1,372
Provision for (Recapture of) Loan Losses | 114 | 68
Charge- offs | 0 | 0
Recoveries | 0 | 9
Allowance for loan losses, Ending Allowance | 1,627 | $ 1,449
SBA PPP Loans |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |
Allowance for loan losses, Beginning Allowance | 0 |
Allowance for loan losses, Ending Allowance | $ 0 |

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