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Loans Receivable And Allowance For Loan Losses: Schedule of Allowance for Loan Losses (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Mar. 31, 2020 | Mar. 31, 2019 | Mar. 31, 2020 | Mar. 31, 2019
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |
Allowance for loan losses, Beginning Allowance | $ 9,882 | $ 9,533 | $ 9,690 | $ 9,530
Provision for (Recapture of) Loan Losses | 2,000 | 0 | 2,200 | 0
Charge- offs | (1) | (14) | (26) | (16)
Recoveries | 9 | 222 | 26 | 227
Allowance for loan losses, Ending Allowance | 11,890 | 9,741 | 11,890 | 9,741
Mortgage loans, one-to-four family |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |
Allowance for loan losses, Beginning Allowance | 1,065 | 1,159 | 1,167 | 1,086
Provision for (Recapture of) Loan Losses | 83 | (72) | (21) | 1
Charge- offs | 0 | 0 | 0 | 0
Recoveries | 1 | 67 | 3 | 67
Allowance for loan losses, Ending Allowance | 1,149 | 1,154 | 1,149 | 1,154
Mortgage loans, multi-family |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |
Allowance for loan losses, Beginning Allowance | 499 | 449 | 481 | 433
Provision for (Recapture of) Loan Losses | 96 | 21 | 114 | 37
Charge- offs | 0 | 0 | 0 | 0
Recoveries | 0 | 0 | 0 | 0
Allowance for loan losses, Ending Allowance | 595 | 470 | 595 | 470
Mortgage loans, commercial |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |
Allowance for loan losses, Beginning Allowance | 4,410 | 4,239 | 4,154 | 4,248
Provision for (Recapture of) Loan Losses | 1,351 | (267) | 1,603 | (276)
Charge- offs | 0 | 0 | 0 | 0
Recoveries | 1 | 150 | 5 | 150
Allowance for loan losses, Ending Allowance | 5,762 | 4,122 | 5,762 | 4,122
Mortgage loans, construction - custom and owner/builder |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |
Allowance for loan losses, Beginning Allowance | 754 | 643 | 755 | 671
Provision for (Recapture of) Loan Losses | (57) | 23 | (63) | (5)
Charge- offs | 0 | 0 | 0 | 0
Recoveries | 0 | 0 | 5 | 0
Allowance for loan losses, Ending Allowance | 697 | 666 | 697 | 666
Mortgage loans, construction - speculative one-to-four family |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |
Allowance for loan losses, Beginning Allowance | 248 | 206 | 212 | 178
Provision for (Recapture of) Loan Losses | (44) | 43 | (8) | 71
Charge- offs | 0 | 0 | 0 | 0
Recoveries | 0 | 0 | 0 | 0
Allowance for loan losses, Ending Allowance | 204 | 249 | 204 | 249
Mortgage loans, construction – commercial |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |
Allowance for loan losses, Beginning Allowance | 403 | 386 | 338 | 563
Provision for (Recapture of) Loan Losses | 20 | (2) | 85 | (179)
Charge- offs | 0 | 0 | 0 | 0
Recoveries | 0 | 0 | 0 | 0
Allowance for loan losses, Ending Allowance | 423 | 384 | 423 | 384
Mortgage loans, construction - Multi-family |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |
Allowance for loan losses, Beginning Allowance | 333 | 209 | 375 | 135
Provision for (Recapture of) Loan Losses | 61 | 63 | 19 | 137
Charge- offs | 0 | 0 | 0 | 0
Recoveries | 0 | 0 | 0 | 0
Allowance for loan losses, Ending Allowance | 394 | 272 | 394 | 272
Mortgage loans, construction - Land development |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |
Allowance for loan losses, Beginning Allowance | 48 | 143 | 67 | 49
Provision for (Recapture of) Loan Losses | 32 | 101 | 13 | 195
Charge- offs | 0 |  | 0 | 0
Recoveries | 0 | 0 | 0 | 0
Allowance for loan losses, Ending Allowance | 80 | 244 | 80 | 244
Mortgage loans, land |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |
Allowance for loan losses, Beginning Allowance | 654 | 757 | 697 | 844
Provision for (Recapture of) Loan Losses | 19 | (112) | (29) | (203)
Charge- offs | 0 | 0 | 0 | 0
Recoveries | 5 | 4 | 10 | 8
Allowance for loan losses, Ending Allowance | 678 | 649 | 678 | 649
Consumer loans, home equity and second mortgage |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |
Allowance for loan losses, Beginning Allowance | 609 | 666 | 623 | 649
Provision for (Recapture of) Loan Losses | 47 | 5 | 33 | 22
Charge- offs | 0 | (4) | 0 | (4)
Recoveries | 0 | 0 | 0 | 0
Allowance for loan losses, Ending Allowance | 656 | 667 | 656 | 667
Consumer loans, other |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |
Allowance for loan losses, Beginning Allowance | 87 | 101 | 99 | 117
Provision for (Recapture of) Loan Losses | (10) | 11 | (13) | (4)
Charge- offs | (1) | (1) | (11) | (3)
Recoveries | 2 | 1 | 3 | 2
Allowance for loan losses, Ending Allowance | 78 | 112 | 78 | 112
Commercial business loans |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |
Allowance for loan losses, Beginning Allowance | 772 | 575 | 722 | 557
Provision for (Recapture of) Loan Losses | 402 | 186 | 467 | 204
Charge- offs | 0 | (9) | (15) | (9)
Recoveries | 0 | 0 | 0 | 0
Allowance for loan losses, Ending Allowance | $ 1,174 | $ 752 | $ 1,174 | $ 752

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- Definition Amount of recovery of financing receivables doubtful of collection that were previously charged off. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 55 -Paragraph 79 -URI http://asc.fasb.org/extlink&oid=118955255&loc=SL82922352-210448 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(7)(d)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=119407570&loc=SL82919249-210447 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(4) -URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953423-111524 + Details
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