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OREO and Other Repossessed Assets: Narrative (Details) $ in Thousands | 12 Months Ended
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Sep. 30, 2019 USD ($) property | Sep. 30, 2018 USD ($) property | Sep. 30, 2017 USD ($)
Real Estate Properties [Line Items] |  |  |
Other real estate owned (“OREO”) and other repossessed assets, net | $ 1,683 | $ 1,913 | $ 3,301
(Gain) loss on sales of OREO and other repossessed assets, net | 89 | $ 229 | $ 54
Recorded amount of foreclosed residential real estate properties held in OREO | $ 150 |  |
Washington |  |  |
Real Estate Properties [Line Items] |  |  |
OREO, number of repossessed assets | property | 12 |  |
Number of other repossessed assets | property | 0 | 0 |
Washington | Minimum |  |  |
Real Estate Properties [Line Items] |  |  |
Other real estate owned (“OREO”) and other repossessed assets, net | $ 13 |  |
Washington | Maximum |  |  |
Real Estate Properties [Line Items] |  |  |
Other real estate owned (“OREO”) and other repossessed assets, net | $ 874 |  |

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- Definition Other Real Estate Owned, Repossessed Assets + 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=116637391&loc=SL114874048-224260 + Details
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- Definition Carrying amount as of the balance sheet date of other real estate and foreclosed assets. Other real estate may include real estate investments, real estate loans that qualify as investments in real estate, and premises that are no longer used in operations may also be included in real estate owned. Foreclosed assets include all assets obtained in full or partial satisfaction of a debt arrangement through foreclosure proceedings. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.10(4)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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