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v3.24.3

Loans Receivable and Allowance for Loan Losses: Impaired Financing Receivables (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Sep. 30, 2024 | Sep. 30, 2023
Impaired Financing Receivable, Recorded Investment [Abstract] |  |
Impaired Financing Receivable, with No Related Allowance, Recorded Investment | $ 3,764 | $ 4,282
Impaired Financing Receivable, with Related Allowance, Recorded Investment | 245 | 250
Impaired Financing Receivable, Recorded Investment | 4,009 | 4,532
Impaired Financing Receivable, Unpaid Principal Balance [Abstract] |  |
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance (Loan Balance Plus Charge Off) | 3,857 | 4,375
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance (Loan Balance Plus Charge Off) | 245 | 250
Impaired Financing Receivable, Unpaid Principal Balance (Loan Balance Plus Charge Off) | 4,102 | 4,625
Related Allowance | 123 | 127
Impaired Financing Receivable, Average Recorded Investment [Abstract] |  |
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment | 4,102 | 4,567
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment | 247 | 413
Impaired Financing Receivable, Average Recorded Investment | 4,349 | 4,980
Impaired Financing Receivable, Interest Income, Accrual Method [Abstract] |  |
Impaired Financing Receivable, with No Related Allowance, Interest Income Recognized | 213 | 189
Impaired Financing Receivable, with Related Allowance, Interest Income Recognized | 0 | 0
Impaired Financing Receivable, Interest Income Recognized | 213 | 189
Impaired Financing Receivable, Interest Income, Cash Basis Method [Abstract] |  |
Impaired Financing Receivable, with No Related Allowance, Cash Basis Interest Income Recognized | 172 | 159
Impaired Financing Receivable, with Related Allowance, Cash Basis Interest Income Recognized | 0 | 0
Impaired Financing Receivable, Cash Basis Interest Income Recognized | 172 | 159
Mortgage loans, one-to-four family |  |
Impaired Financing Receivable, Recorded Investment [Abstract] |  |
Impaired Financing Receivable, with No Related Allowance, Recorded Investment | 368 | 388
Impaired Financing Receivable, Recorded Investment | 368 | 388
Impaired Financing Receivable, Unpaid Principal Balance [Abstract] |  |
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance (Loan Balance Plus Charge Off) | 412 | 432
Impaired Financing Receivable, Unpaid Principal Balance (Loan Balance Plus Charge Off) | 412 | 432
Related Allowance | 0 | 0
Impaired Financing Receivable, Average Recorded Investment [Abstract] |  |
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment | 378 | 470
Impaired Financing Receivable, Average Recorded Investment | 378 | 470
Impaired Financing Receivable, Interest Income, Accrual Method [Abstract] |  |
Impaired Financing Receivable, with No Related Allowance, Interest Income Recognized | 29 | 31
Impaired Financing Receivable, Interest Income Recognized | 29 | 31
Impaired Financing Receivable, Interest Income, Cash Basis Method [Abstract] |  |
Impaired Financing Receivable, with No Related Allowance, Cash Basis Interest Income Recognized | 29 | 31
Impaired Financing Receivable, Cash Basis Interest Income Recognized | 29 | 31
Mortgage loans, commercial |  |
Impaired Financing Receivable, Recorded Investment [Abstract] |  |
Impaired Financing Receivable, with No Related Allowance, Recorded Investment | 2,973 | 2,988
Impaired Financing Receivable, Recorded Investment | 2,973 | 2,988
Impaired Financing Receivable, Unpaid Principal Balance [Abstract] |  |
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance (Loan Balance Plus Charge Off) | 2,973 | 2,988
Impaired Financing Receivable, Unpaid Principal Balance (Loan Balance Plus Charge Off) | 2,973 | 2,988
Related Allowance | 0 | 0
Impaired Financing Receivable, Average Recorded Investment [Abstract] |  |
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment | 2,987 | 3,041
Impaired Financing Receivable, Average Recorded Investment | 2,987 | 3,041
Impaired Financing Receivable, Interest Income, Accrual Method [Abstract] |  |
Impaired Financing Receivable, with No Related Allowance, Interest Income Recognized | 167 | 152
Impaired Financing Receivable, Interest Income Recognized | 167 | 152
Impaired Financing Receivable, Interest Income, Cash Basis Method [Abstract] |  |
Impaired Financing Receivable, with No Related Allowance, Cash Basis Interest Income Recognized | 129 | 123
Impaired Financing Receivable, Cash Basis Interest Income Recognized | 129 | 123
Mortgage loans, land |  |
Impaired Financing Receivable, Recorded Investment [Abstract] |  |
Impaired Financing Receivable, with No Related Allowance, Recorded Investment | 0 | 450
Impaired Financing Receivable, Recorded Investment | 0 | 450
Impaired Financing Receivable, Unpaid Principal Balance [Abstract] |  |
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance (Loan Balance Plus Charge Off) | 0 | 450
Impaired Financing Receivable, Unpaid Principal Balance (Loan Balance Plus Charge Off) | 0 | 450
Related Allowance | 0 | 0
Impaired Financing Receivable, Average Recorded Investment [Abstract] |  |
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment | 297 | 492
Impaired Financing Receivable, Average Recorded Investment | 297 | 492
Impaired Financing Receivable, Interest Income, Accrual Method [Abstract] |  |
Impaired Financing Receivable, with No Related Allowance, Interest Income Recognized | 5 | 0
Impaired Financing Receivable, Interest Income Recognized | 5 | 0
Impaired Financing Receivable, Interest Income, Cash Basis Method [Abstract] |  |
Impaired Financing Receivable, with No Related Allowance, Cash Basis Interest Income Recognized | 4 | 0
Impaired Financing Receivable, Cash Basis Interest Income Recognized | 4 | 0
Consumer loans, home equity and second mortgage |  |
Impaired Financing Receivable, Recorded Investment [Abstract] |  |
Impaired Financing Receivable, with No Related Allowance, Recorded Investment | 382 | 394
Impaired Financing Receivable, with Related Allowance, Recorded Investment |  | 0
Impaired Financing Receivable, Recorded Investment | 382 | 394
Impaired Financing Receivable, Unpaid Principal Balance [Abstract] |  |
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance (Loan Balance Plus Charge Off) | 382 | 394
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance (Loan Balance Plus Charge Off) |  | 0
Impaired Financing Receivable, Unpaid Principal Balance (Loan Balance Plus Charge Off) | 382 | 394
Related Allowance | 0 | 0
Impaired Financing Receivable, Average Recorded Investment [Abstract] |  |
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment | 390 | 436
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment |  | 145
Impaired Financing Receivable, Average Recorded Investment | 390 | 581
Impaired Financing Receivable, Interest Income, Accrual Method [Abstract] |  |
Impaired Financing Receivable, with No Related Allowance, Interest Income Recognized | 12 | 6
Impaired Financing Receivable, with Related Allowance, Interest Income Recognized |  | 0
Impaired Financing Receivable, Interest Income Recognized | 12 | 6
Impaired Financing Receivable, Interest Income, Cash Basis Method [Abstract] |  |
Impaired Financing Receivable, with No Related Allowance, Cash Basis Interest Income Recognized | 10 | 5
Impaired Financing Receivable, with Related Allowance, Cash Basis Interest Income Recognized |  | 0
Impaired Financing Receivable, Cash Basis Interest Income Recognized | 10 | 5
Consumer loans, other |  |
Impaired Financing Receivable, Recorded Investment [Abstract] |  |
Impaired Financing Receivable, with No Related Allowance, Recorded Investment |  | 3
Impaired Financing Receivable, Unpaid Principal Balance [Abstract] |  |
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance (Loan Balance Plus Charge Off) |  | 3
Impaired Financing Receivable, Average Recorded Investment [Abstract] |  |
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment |  | 7
Impaired Financing Receivable, Interest Income, Accrual Method [Abstract] |  |
Impaired Financing Receivable, with No Related Allowance, Interest Income Recognized |  | 0
Impaired Financing Receivable, Interest Income, Cash Basis Method [Abstract] |  |
Impaired Financing Receivable, with No Related Allowance, Cash Basis Interest Income Recognized |  | 0
Consumer loans, other |  |
Impaired Financing Receivable, Recorded Investment [Abstract] |  |
Impaired Financing Receivable, with No Related Allowance, Recorded Investment | 0 |
Impaired Financing Receivable, Recorded Investment | 0 | 3
Impaired Financing Receivable, Unpaid Principal Balance [Abstract] |  |
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance (Loan Balance Plus Charge Off) | 0 |
Impaired Financing Receivable, Unpaid Principal Balance (Loan Balance Plus Charge Off) | 0 | 3
Related Allowance | 0 | 0
Impaired Financing Receivable, Average Recorded Investment [Abstract] |  |
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment | 1 |
Impaired Financing Receivable, Average Recorded Investment | 1 | 7
Impaired Financing Receivable, Interest Income, Accrual Method [Abstract] |  |
Impaired Financing Receivable, with No Related Allowance, Interest Income Recognized | 0 |
Impaired Financing Receivable, Interest Income Recognized | 0 | 0
Impaired Financing Receivable, Interest Income, Cash Basis Method [Abstract] |  |
Impaired Financing Receivable, with No Related Allowance, Cash Basis Interest Income Recognized | 0 |
Impaired Financing Receivable, Cash Basis Interest Income Recognized | 0 | 0
Commercial business loans |  |
Impaired Financing Receivable, Recorded Investment [Abstract] |  |
Impaired Financing Receivable, with No Related Allowance, Recorded Investment | 41 | 59
Impaired Financing Receivable, with Related Allowance, Recorded Investment | 245 | 250
Impaired Financing Receivable, Recorded Investment | 286 | 309
Impaired Financing Receivable, Unpaid Principal Balance [Abstract] |  |
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance (Loan Balance Plus Charge Off) | 90 | 108
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance (Loan Balance Plus Charge Off) | 245 | 250
Impaired Financing Receivable, Unpaid Principal Balance (Loan Balance Plus Charge Off) | 335 | 358
Related Allowance | 123 | 127
Impaired Financing Receivable, Average Recorded Investment [Abstract] |  |
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment | 49 | 121
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment | 247 | 268
Impaired Financing Receivable, Average Recorded Investment | 296 | 389
Impaired Financing Receivable, Interest Income, Accrual Method [Abstract] |  |
Impaired Financing Receivable, with No Related Allowance, Interest Income Recognized | 0 | 0
Impaired Financing Receivable, with Related Allowance, Interest Income Recognized | 0 | 0
Impaired Financing Receivable, Interest Income Recognized | 0 | 0
Impaired Financing Receivable, Interest Income, Cash Basis Method [Abstract] |  |
Impaired Financing Receivable, with No Related Allowance, Cash Basis Interest Income Recognized | 0 | 0
Impaired Financing Receivable, with Related Allowance, Cash Basis Interest Income Recognized | 0 | 0
Impaired Financing Receivable, Cash Basis Interest Income Recognized | $ 0 | $ 0

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