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Loans Receivable and Allowance for Loan Losses: Financing Receivable Credit Quality Indicators (Details) - USD ($) $ in Thousands | Sep. 30, 2022 | Sep. 30, 2021
--- | --- | ---
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans receivable | $ 1,150,450 | $ 987,066
Pass |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans receivable | 1,132,403 | 965,950
Watch |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans receivable | 10,423 | 12,500
Special Mention |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans receivable | 237 | 5,012
Substandard |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans receivable | 7,387 | 3,604
Mortgage loans, one-to-four family |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans receivable | 176,116 | 119,935
Mortgage loans, one-to-four family | Pass |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans receivable | 175,687 | 118,857
Mortgage loans, one-to-four family | Watch |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans receivable | 38 | 129
Mortgage loans, one-to-four family | Special Mention |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans receivable | 0 | 537
Mortgage loans, one-to-four family | Substandard |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans receivable | 391 | 412
Mortgage loans, multi-family |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans receivable | 95,025 | 87,563
Mortgage loans, multi-family | Pass |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans receivable | 95,025 | 87,563
Mortgage loans, multi-family | Watch |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans receivable | 0 | 0
Mortgage loans, multi-family | Special Mention |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans receivable | 0 | 0
Mortgage loans, multi-family | Substandard |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans receivable | 0 | 0
Mortgage loans, commercial |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans receivable | 536,650 | 470,650
Mortgage loans, commercial | Pass |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans receivable | 522,741 | 456,188
Mortgage loans, commercial | Watch |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans receivable | 7,940 | 10,285
Mortgage loans, commercial | Special Mention |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans receivable | 237 | 2,921
Mortgage loans, commercial | Substandard |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans receivable | 5,732 | 1,256
Mortgage loans, construction - custom and owner/builder |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans receivable | 67,091 | 61,003
Mortgage loans, construction - custom and owner/builder | Pass |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans receivable | 65,249 | 59,699
Mortgage loans, construction - custom and owner/builder | Watch |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans receivable | 1,842 | 1,304
Mortgage loans, construction - custom and owner/builder | Special Mention |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans receivable | 0 | 0
Mortgage loans, construction - custom and owner/builder | Substandard |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans receivable | 0 | 0
Mortgage loans, construction - speculative one-to-four family |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans receivable | 8,364 | 9,657
Mortgage loans, construction - speculative one-to-four family | Pass |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans receivable | 8,364 | 9,657
Mortgage loans, construction - speculative one-to-four family | Watch |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans receivable | 0 | 0
Mortgage loans, construction - speculative one-to-four family | Special Mention |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans receivable | 0 | 0
Mortgage loans, construction - speculative one-to-four family | Substandard |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans receivable | 0 | 0
Mortgage loans, construction - commercial |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans receivable | 29,059 | 38,931
Mortgage loans, construction - commercial | Pass |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans receivable | 29,059 | 37,414
Mortgage loans, construction - commercial | Watch |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans receivable | 0 | 0
Mortgage loans, construction - commercial | Special Mention |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans receivable | 0 | 1,517
Mortgage loans, construction - commercial | Substandard |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans receivable | 0 | 0
Mortgage loans, construction - multi-family |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans receivable | 34,354 | 22,888
Mortgage loans, construction - multi-family | Pass |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans receivable | 34,354 | 22,888
Mortgage loans, construction - multi-family | Watch |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans receivable | 0 | 0
Mortgage loans, construction - multi-family | Special Mention |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans receivable | 0 | 0
Mortgage loans, construction - multi-family | Substandard |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans receivable | 0 | 0
Mortgage loans - construction - land development |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans receivable | 13,582 | 5,502
Mortgage loans - construction - land development | Pass |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans receivable | 13,557 | 5,467
Mortgage loans - construction - land development | Watch |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans receivable | 0 | 0
Mortgage loans - construction - land development | Special Mention |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans receivable | 0 | 0
Mortgage loans - construction - land development | Substandard |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans receivable | 25 | 35
Mortgage loans, land |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans receivable | 26,854 | 19,936
Mortgage loans, land | Pass |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans receivable | 25,882 | 18,648
Mortgage loans, land | Watch |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans receivable | 522 | 558
Mortgage loans, land | Special Mention |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans receivable | 0 | 0
Mortgage loans, land | Substandard |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans receivable | 450 | 730
Consumer loans, home equity and second mortgage |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans receivable | 35,187 | 32,988
Consumer loans, home equity and second mortgage | Pass |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans receivable | 34,709 | 32,190
Consumer loans, home equity and second mortgage | Watch |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans receivable | 19 | 145
Consumer loans, home equity and second mortgage | Special Mention |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans receivable | 0 | 0
Consumer loans, home equity and second mortgage | Substandard |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans receivable | 459 | 653
Consumer loans, other |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans receivable | 2,128 | 2,512
Consumer loans, other | Pass |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans receivable | 2,063 | 2,465
Consumer loans, other | Watch |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans receivable | 62 | 30
Consumer loans, other | Special Mention |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans receivable | 0 | 0
Consumer loans, other | Substandard |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans receivable | 3 | 17
Commercial business loans |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans receivable | 125,039 | 74,579
Commercial business loans | Pass |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans receivable | 124,712 | 73,992
Commercial business loans | Watch |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans receivable | 0 | 49
Commercial business loans | Special Mention |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans receivable | 0 | 37
Commercial business loans | Substandard |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans receivable | 327 | 501
SBA PPP Loans |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans receivable | 1,001 | 40,922
SBA PPP Loans | Pass |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans receivable | 1,001 | 40,922
SBA PPP Loans | Watch |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans receivable | 0 | 0
SBA PPP Loans | Special Mention |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans receivable | 0 | 0
SBA PPP Loans | Substandard |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans receivable | $ 0 | $ 0

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