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Loans Receivable And Allowance For Loan Losses: Schedule of Allowance for Loan Losses (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Jun. 30, 2017 | Jun. 30, 2016 | Jun. 30, 2017 | Jun. 30, 2016
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |  |  |
Allowance for loan losses, Beginning Allowance | $ 9,590 | $ 10,043 | $ 9,826 | $ 9,924
Provision for (Recapture of) Loan Losses | (1,000) | 0 | (1,250) | 0
Charge- offs | (51) | (212) | (70) | (347)
Recoveries | 1,071 | 11 | 1,104 | 265
Allowance for loan losses, Ending Allowance | 9,610 | 9,842 | 9,610 | 9,842
Mortgage loans, one-to-four family |  |  |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |  |  |
Allowance for loan losses, Beginning Allowance | 1,126 | 1,323 | 1,239 | 1,480
Provision for (Recapture of) Loan Losses | (11) | (83) | (145) | (267)
Charge- offs | 0 | (27) | 0 | (55)
Recoveries | 0 | 1 | 21 | 56
Allowance for loan losses, Ending Allowance | 1,115 | 1,214 | 1,115 | 1,214
Mortgage loans, multi-family |  |  |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |  |  |
Allowance for loan losses, Beginning Allowance | 480 | 315 | 473 | 392
Provision for (Recapture of) Loan Losses | (16) | 33 | (9) | (44)
Charge- offs | 0 | 0 | 0 | 0
Recoveries | 0 | 0 | 0 | 0
Allowance for loan losses, Ending Allowance | 464 | 348 | 464 | 348
Mortgage loans, commercial |  |  |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |  |  |
Allowance for loan losses, Beginning Allowance | 4,316 | 4,083 | 4,384 | 4,065
Provision for (Recapture of) Loan Losses | (1,040) | 19 | (1,095) | 118
Charge- offs | 0 | (128) | (13) | (209)
Recoveries | 1,061 | 0 | 1,061 | 0
Allowance for loan losses, Ending Allowance | 4,337 | 3,974 | 4,337 | 3,974
Mortgage loans, construction - custom and owner/builder |  |  |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |  |  |
Allowance for loan losses, Beginning Allowance | 695 | 542 | 619 | 451
Provision for (Recapture of) Loan Losses | 17 | 93 | 93 | 184
Charge- offs | 0 | 0 | 0 | 0
Recoveries | 0 | 0 | 0 | 0
Allowance for loan losses, Ending Allowance | 712 | 635 | 712 | 635
Mortgage loans, construction - speculative one-to-four family |  |  |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |  |  |
Allowance for loan losses, Beginning Allowance | 85 | 96 | 130 | 123
Provision for (Recapture of) Loan Losses | (15) | 25 | (60) | (4)
Charge- offs | 0 | 0 | 0 | 0
Recoveries | 5 | 0 | 5 | 2
Allowance for loan losses, Ending Allowance | 75 | 121 | 75 | 121
Mortgage loans, construction – commercial |  |  |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |  |  |
Allowance for loan losses, Beginning Allowance | 268 | 617 | 268 | 426
Provision for (Recapture of) Loan Losses | 15 | 7 | 15 | 198
Charge- offs | 0 | 0 | 0 | 0
Recoveries | 0 | 0 | 0 | 0
Allowance for loan losses, Ending Allowance | 283 | 624 | 283 | 624
Mortgage loans, construction - Multi-family |  |  |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |  |  |
Allowance for loan losses, Beginning Allowance | 96 | 409 | 316 | 283
Provision for (Recapture of) Loan Losses | 36 | (22) | (184) | (77)
Charge- offs | 0 | 0 | 0 | 0
Recoveries | 0 | 0 | 0 | 181
Allowance for loan losses, Ending Allowance | 132 | 387 | 132 | 387
Mortgage loans, land |  |  |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |  |  |
Allowance for loan losses, Beginning Allowance | 947 | 954 | 820 | 1,021
Provision for (Recapture of) Loan Losses | 1 | 9 | 120 | (63)
Charge- offs | (49) | (50) | (51) | (58)
Recoveries | 5 | 6 | 15 | 19
Allowance for loan losses, Ending Allowance | 904 | 919 | 904 | 919
Consumer loans, home equity and second mortgage |  |  |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |  |  |
Allowance for loan losses, Beginning Allowance | 957 | 1,021 | 939 | 1,073
Provision for (Recapture of) Loan Losses | (2) | (55) | 16 | (94)
Charge- offs | 0 | (5) | 0 | (18)
Recoveries | 0 | 0 | 0 | 0
Allowance for loan losses, Ending Allowance | 955 | 961 | 955 | 961
Consumer loans, other |  |  |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |  |  |
Allowance for loan losses, Beginning Allowance | 130 | 162 | 156 | 187
Provision for (Recapture of) Loan Losses | 6 | (4) | (18) | (25)
Charge- offs | (2) | (2) | (6) | (7)
Recoveries | 0 | 1 | 2 | 2
Allowance for loan losses, Ending Allowance | 134 | 157 | 134 | 157
Commercial business loans |  |  |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |  |  |
Allowance for loan losses, Beginning Allowance | 490 | 521 | 482 | 423
Provision for (Recapture of) Loan Losses | 9 | (22) | 17 | 74
Charge- offs | 0 | 0 | 0 | 0
Recoveries | 0 | 3 | 0 | 5
Allowance for loan losses, Ending Allowance | $ 499 | $ 502 | $ 499 | $ 502

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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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