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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, 2018 | Dec. 31, 2017
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |
Allowance for loan losses, Beginning Allowance | $ 9,530 | $ 9,553
Provision for (Recapture of) Loan Losses | 0 | 0
Charge- offs | (2) | (1)
Recoveries | 5 | 13
Allowance for loan losses, Ending Allowance | 9,533 | 9,565
Mortgage loans, one-to-four family |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |
Allowance for loan losses, Beginning Allowance | 1,086 | 1,082
Provision for (Recapture of) Loan Losses | 73 | 43
Charge- offs | 0 | 0
Recoveries | 0 | 0
Allowance for loan losses, Ending Allowance | 1,159 | 1,125
Mortgage loans, multi-family |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |
Allowance for loan losses, Beginning Allowance | 433 | 447
Provision for (Recapture of) Loan Losses | 16 | (17)
Charge- offs | 0 | 0
Recoveries | 0 | 0
Allowance for loan losses, Ending Allowance | 449 | 430
Mortgage loans, commercial |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |
Allowance for loan losses, Beginning Allowance | 4,248 | 4,184
Provision for (Recapture of) Loan Losses | (9) | (91)
Charge- offs | 0 | 0
Recoveries | 0 | 0
Allowance for loan losses, Ending Allowance | 4,239 | 4,093
Mortgage loans, construction - custom and owner/builder |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |
Allowance for loan losses, Beginning Allowance | 671 | 699
Provision for (Recapture of) Loan Losses | (28) | 89
Charge- offs | 0 | 0
Recoveries | 0 | 0
Allowance for loan losses, Ending Allowance | 643 | 788
Mortgage loans, construction - speculative one-to-four family |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |
Allowance for loan losses, Beginning Allowance | 178 | 128
Provision for (Recapture of) Loan Losses | 28 | (61)
Charge- offs | 0 | 0
Recoveries | 0 | 8
Allowance for loan losses, Ending Allowance | 206 | 75
Mortgage loans, construction – commercial |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |
Allowance for loan losses, Beginning Allowance | 563 | 303
Provision for (Recapture of) Loan Losses | (177) | 93
Charge- offs | 0 | 0
Recoveries | 0 | 0
Allowance for loan losses, Ending Allowance | 386 | 396
Mortgage loans, construction - Multi-family |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |
Allowance for loan losses, Beginning Allowance | 135 | 173
Provision for (Recapture of) Loan Losses | 74 | 55
Charge- offs | 0 | 0
Recoveries | 0 | 0
Allowance for loan losses, Ending Allowance | 209 | 228
Mortgage loans, construction - Land development |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |
Allowance for loan losses, Beginning Allowance | 49 |
Provision for (Recapture of) Loan Losses | 94 |
Charge- offs | 0 |
Recoveries | 0 |
Allowance for loan losses, Ending Allowance | 143 |
Mortgage loans, land |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |
Allowance for loan losses, Beginning Allowance | 844 | 918
Provision for (Recapture of) Loan Losses | (91) | (142)
Charge- offs | 0 | 0
Recoveries | 4 | 4
Allowance for loan losses, Ending Allowance | 757 | 780
Consumer loans, home equity and second mortgage |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |
Allowance for loan losses, Beginning Allowance | 649 | 983
Provision for (Recapture of) Loan Losses | 17 | (25)
Charge- offs | 0 | 0
Recoveries | 0 | 0
Allowance for loan losses, Ending Allowance | 666 | 958
Consumer loans, other |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |
Allowance for loan losses, Beginning Allowance | 117 | 121
Provision for (Recapture of) Loan Losses | (15) | 8
Charge- offs | (2) | (1)
Recoveries | 1 | 1
Allowance for loan losses, Ending Allowance | 101 | 129
Commercial business loans |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |
Allowance for loan losses, Beginning Allowance | 557 | 515
Provision for (Recapture of) Loan Losses | 18 | 48
Charge- offs | 0 | 0
Recoveries | 0 | 0
Allowance for loan losses, Ending Allowance | $ 575 | $ 563

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- Definition A valuation allowance for financing receivables that are expected to be uncollectible. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 + Details
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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/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(4) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 + Details
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- Definition Amount of direct write-downs of financing receivables charged against the allowance. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 + Details
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- Definition Amount of expense related loan transactions, lease transactions, credit loss from transactions other than loan and lease transactions, and other loss based on assessment of uncollectability from the counterparty to reduce the account to their net realizable value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.11) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585 + Details
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