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Loans Receivable And Allowance For Loan Losses: Impaired Financing Receivables (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022
Recorded Investment |  |  |
With no related allowance recorded | $ 3,764 | $ 4,250 |
With an allowance recorded | 245 | 249 |
Total: | 4,009 | 4,499 |
Unpaid Principal Balance (Loan Balance Plus Charge Off) |  |  |
With no related allowance recorded | 3,857 | 4,342 |
With an allowance recorded | 245 | 249 |
Total: | 4,102 | 4,591 |
Related ACL | 123 | 127 |
Average Recorded Investment |  |  |
With no related allowance recorded | 4,102 | 4,268 |
With an allowance recorded | 247 | 249 |
Total | 4,349 | 4,517 |
Interest Income Recognized |  |  |
With no related allowance recorded | 213 | 42 | [1]
With an allowance recorded | 0 | 0 |
Total | 213 | 42 |
Cash Basis Interest Income Recognized |  |  |
With no related allowance recorded | 172 | 52 |
With an allowance recorded | 0 | 0 |
Total | 172 | 52 |
One-to four-family |  |  |
Recorded Investment |  |  |
With no related allowance recorded | 368 | 383 |
Total: | 368 | 383 |
Unpaid Principal Balance (Loan Balance Plus Charge Off) |  |  |
With no related allowance recorded | 412 | 427 |
Total: | 412 | 427 |
Related ACL | 0 | 0 |
Average Recorded Investment |  |  |
With no related allowance recorded | 378 | 386 |
Total | 378 | 386 |
Interest Income Recognized |  |  |
With no related allowance recorded | 29 | 7 | [1]
Total | 29 | 7 |
Cash Basis Interest Income Recognized |  |  |
With no related allowance recorded | 29 | 7 |
Total | 29 | 7 |
Commercial real estate |  |  |
Recorded Investment |  |  |
With no related allowance recorded | 2,973 | 2,980 |
Total: | 2,973 | 2,980 |
Unpaid Principal Balance (Loan Balance Plus Charge Off) |  |  |
With no related allowance recorded | 2,973 | 2,980 |
Total: | 2,973 | 2,980 |
Related ACL | 0 | 0 |
Average Recorded Investment |  |  |
With no related allowance recorded | 2,987 | 2,984 |
Total | 2,987 | 2,984 |
Interest Income Recognized |  |  |
With no related allowance recorded | 167 | 33 | [1]
Total | 167 | 33 |
Cash Basis Interest Income Recognized |  |  |
With no related allowance recorded | 129 | 42 |
Total | 129 | 42 |
Land |  |  |
Recorded Investment |  |  |
With no related allowance recorded | 0 | 425 |
Total: | 0 | 425 |
Unpaid Principal Balance (Loan Balance Plus Charge Off) |  |  |
With no related allowance recorded | 0 | 425 |
Total: | 0 | 425 |
Related ACL | 0 | 0 |
Average Recorded Investment |  |  |
With no related allowance recorded | 297 | 438 |
Total | 297 | 438 |
Interest Income Recognized |  |  |
With no related allowance recorded | 5 | 0 | [1]
Total | 5 | 0 |
Cash Basis Interest Income Recognized |  |  |
With no related allowance recorded | 4 | 0 |
Total | 4 | 0 |
Home equity |  |  |
Recorded Investment |  |  |
With no related allowance recorded | 382 | 405 |
Total: | 382 | 405 |
Unpaid Principal Balance (Loan Balance Plus Charge Off) |  |  |
With no related allowance recorded | 382 | 405 |
Total: | 382 | 405 |
Related ACL | 0 | 0 |
Average Recorded Investment |  |  |
With no related allowance recorded | 390 | 400 |
Total | 390 | 400 |
Interest Income Recognized |  |  |
With no related allowance recorded | 12 | 2 | [1]
Total | 12 | 2 |
Cash Basis Interest Income Recognized |  |  |
With no related allowance recorded | 10 | 3 |
Total | 10 | 3 |
Consumer loans, other |  |  |
Recorded Investment |  |  |
With no related allowance recorded | 0 | 2 |
Total: | 0 | 2 |
Unpaid Principal Balance (Loan Balance Plus Charge Off) |  |  |
With no related allowance recorded | 0 | 2 |
Total: | 0 | 2 |
Related ACL | 0 | 0 |
Average Recorded Investment |  |  |
With no related allowance recorded | 1 | 3 |
Total | 1 | 3 |
Interest Income Recognized |  |  |
With no related allowance recorded | 0 | 0 |
Total | 0 | 0 |
Cash Basis Interest Income Recognized |  |  |
With no related allowance recorded | 0 |  |
With an allowance recorded |  | 0 |
Total | 0 | 0 |
Commercial business |  |  |
Recorded Investment |  |  |
With no related allowance recorded | 41 | 55 |
With an allowance recorded | 245 | 249 |
Total: | 286 | 304 |
Unpaid Principal Balance (Loan Balance Plus Charge Off) |  |  |
With no related allowance recorded | 90 | 103 |
With an allowance recorded | 245 | 249 |
Total: | 335 | 352 |
Related ACL | 123 | 127 |
Average Recorded Investment |  |  |
With no related allowance recorded | 49 | 57 |
With an allowance recorded | 247 | 249 |
Total | 296 | 306 |
Interest Income Recognized |  |  |
With no related allowance recorded | 0 | 0 | [1]
With an allowance recorded | 0 | 0 |
Total | 0 | 0 |
Cash Basis Interest Income Recognized |  |  |
With no related allowance recorded | 0 | 0 |
With an allowance recorded | 0 | 0 |
Total | $ 0 | $ 0 |
[1] | For the year ended September 30, 2023

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