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OREO and Other Repossessed Assets: Narrative (Details) | 12 Months Ended
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Sep. 30, 2022 USD ($) property loan | Sep. 30, 2021 USD ($) loan property | Sep. 30, 2020 USD ($)
Other Real Estate, Foreclosed Assets, and Repossessed Assets [Abstract] |  |  |
(Gain) loss on sales of OREO and other repossessed assets, net | $ 2,000 | $ 92,000 | $ 35,000
OREO, number of repossessed assets | loan | 0 | 0 |
Number of other repossessed assets | property | 0 | 1 |
Recorded amount of foreclosed residential real estate properties held in OREO |  | $ 30,000 |

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- Definition Other Real Estate Owned, Foreclosed Residential Real Estate Properties, Amount + References No definition available. + Details
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- Definition Other Real Estate Owned, Repossessed Assets + References No definition available. + Details
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- Definition Other Repossessed Assets, Number + References No definition available. + Details
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- Definition The net gain (loss) resulting from sales and other disposals of other real estate owned, increases (decreases) in the valuation allowance for foreclosed real estate, and write-downs of other real estate owned after acquisition or physical possession. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.14(d)) -URI http://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260 + Details
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- References No definition available. + Details
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