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Loans Receivable And Allowance For Loan Losses: Impaired Financing Receivables (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2020 | Jun. 30, 2020 | Sep. 30, 2019
Recorded Investment |  |  |  |  |
With no related allowance recorded | $ 5,511 |  | $ 5,511 | $ 5,237 |
With an allowance recorded | 380 |  | 380 | 700 |
Total: | 5,891 |  | 5,891 | 5,937 |
Unpaid Principal Balance (Loan Balance Plus Charge Off) |  |  |  |  |
With no related allowance recorded | 5,604 |  | 5,604 | 5,446 |
With an allowance recorded | 380 |  | 380 | 700 |
Total: | 5,984 |  | 5,984 | 6,146 |
Related Allowance | 63 |  | 63 | 172 |
Average Recorded Investment |  |  |  |  |
With no related allowance recorded | 5,293 | [1] | 5,304 | 4,731 |
With an allowance recorded | 701 | [1] | 667 | 606 |
Total | 5,994 | [1] | 5,971 | 5,337 |
Interest Income Recognized |  |  |  |  |
With no related allowance recorded | 56 | [1] | 128 | 331 | [1]
With an allowance recorded | 0 | [1] | 0 | 30 |
Total | 56 | [1] | 128 | 361 |
Cash Basis Interest Income Recognized |  |  |  |  |
With no related allowance recorded | 39 | [1] | 99 | 287 |
With an allowance recorded | 0 | [1] | 0 | 30 |
Total | 39 | [1] | 99 | 317 |
Mortgage loans, one-to-four family |  |  |  |  |
Recorded Investment |  |  |  |  |
With no related allowance recorded | 1,411 |  | 1,411 | 1,192 |
With an allowance recorded | 0 |  | 0 |  |
Total: | 1,411 |  | 1,411 | 1,192 |
Unpaid Principal Balance (Loan Balance Plus Charge Off) |  |  |  |  |
With no related allowance recorded | 1,454 |  | 1,454 | 1,236 |
With an allowance recorded | 0 |  | 0 |  |
Total: | 1,454 |  | 1,454 | 1,236 |
Related Allowance | 0 |  | 0 | 0 |
Average Recorded Investment |  |  |  |  |
With no related allowance recorded | 1,176 | [1] | 1,244 | 1,110 |
With an allowance recorded | 243 | [1] | 121 |  |
Total | 1,419 | [1] | 1,365 | 1,110 |
Interest Income Recognized |  |  |  |  |
With no related allowance recorded | 15 | [1] | 36 | 71 | [1]
With an allowance recorded | 0 | [1] | 0 |  |
Total | 15 | [1] | 36 | 71 |
Cash Basis Interest Income Recognized |  |  |  |  |
With no related allowance recorded | 7 | [1] | 25 | 62 |
With an allowance recorded | 0 | [1] | 0 |  |
Total | 7 | [1] | 25 | 62 |
Mortgage loans, commercial |  |  |  |  |
Recorded Investment |  |  |  |  |
With no related allowance recorded | 3,267 |  | 3,267 | 3,190 |
Total: | 3,267 |  | 3,267 | 3,190 |
Unpaid Principal Balance (Loan Balance Plus Charge Off) |  |  |  |  |
With no related allowance recorded | 3,267 |  | 3,267 | 3,190 |
Total: | 3,267 |  | 3,267 | 3,190 |
Related Allowance | 0 |  | 0 | 0 |
Average Recorded Investment |  |  |  |  |
With no related allowance recorded | 3,303 | [1] | 3,234 | 2,920 |
Total | 3,303 | [1] | 3,234 | 2,920 |
Interest Income Recognized |  |  |  |  |
With no related allowance recorded | 41 | [1] | 92 | 227 | [1]
Total | 41 | [1] | 92 | 227 |
Cash Basis Interest Income Recognized |  |  |  |  |
With no related allowance recorded | 32 | [1] | 74 | 192 |
Total | 32 | [1] | 74 | 192 |
Mortgage loans, land |  |  |  |  |
Recorded Investment |  |  |  |  |
With no related allowance recorded | 53 |  | 53 | 63 |
With an allowance recorded | 132 |  | 132 | 141 |
Total: | 185 |  | 185 | 204 |
Unpaid Principal Balance (Loan Balance Plus Charge Off) |  |  |  |  |
With no related allowance recorded | 103 |  | 103 | 126 |
With an allowance recorded | 132 |  | 132 | 141 |
Total: | 235 |  | 235 | 267 |
Related Allowance | 25 |  | 25 | 27 |
Average Recorded Investment |  |  |  |  |
With no related allowance recorded | 55 | [1] | 58 | 100 |
With an allowance recorded | 134 | [1] | 137 | 246 |
Total | 189 | [1] | 195 | 346 |
Interest Income Recognized |  |  |  |  |
With no related allowance recorded | 0 | [1] | 0 | 3 | [1]
With an allowance recorded | 0 | [1] | 0 | 0 |
Total | 0 | [1] | 0 | 3 |
Cash Basis Interest Income Recognized |  |  |  |  |
With no related allowance recorded | 0 | [1] | 0 | 3 |
With an allowance recorded | 0 | [1] | 0 | 0 |
Total | 0 | [1] | 0 | 3 |
Consumer loans, home equity and second mortgage |  |  |  |  |
Recorded Investment |  |  |  |  |
With no related allowance recorded | 586 |  | 586 | 603 |
Total: | 586 |  | 586 | 603 |
Unpaid Principal Balance (Loan Balance Plus Charge Off) |  |  |  |  |
With no related allowance recorded | 586 |  | 586 | 603 |
Total: | 586 |  | 586 | 603 |
Related Allowance | 0 |  | 0 | 0 |
Average Recorded Investment |  |  |  |  |
With no related allowance recorded | 584 | [1] | 588 | 459 |
Total | 584 | [1] | 588 | 459 |
Interest Income Recognized |  |  |  |  |
With no related allowance recorded | 0 | [1] | 0 | 0 | [1]
Total | 0 | [1] | 0 | 0 |
Cash Basis Interest Income Recognized |  |  |  |  |
With no related allowance recorded | 0 | [1] | 0 | 0 |
Total | 0 | [1] | 0 | 0 |
Consumer loans, other |  |  |  |  |
Recorded Investment |  |  |  |  |
With no related allowance recorded | 10 |  | 10 |  |
With an allowance recorded | 0 |  | 0 | 23 |
Total: | 10 |  | 10 | 23 |
Unpaid Principal Balance (Loan Balance Plus Charge Off) |  |  |  |  |
With no related allowance recorded | 10 |  | 10 |  |
With an allowance recorded | 0 |  | 0 | 23 |
Total: | 10 |  | 10 | 23 |
Related Allowance | 0 |  | 0 | 17 |
Average Recorded Investment |  |  |  |  |
With no related allowance recorded | 11 | [1] | 5 |  |
With an allowance recorded | 0 | [1] | 9 | 10 |
Total | 11 | [1] | 14 | 10 |
Interest Income Recognized |  |  |  |  |
With no related allowance recorded | 0 | [1] | 0 |  |
With an allowance recorded | 0 | [1] | 0 | 0 |
Total | 0 | [1] | 0 | 0 |
Cash Basis Interest Income Recognized |  |  |  |  |
With no related allowance recorded | 0 | [1] | 0 |  |
With an allowance recorded | 0 | [1] | 0 |  |
Total | 0 | [1] | 0 | 0 |
Commercial business loans |  |  |  |  |
Recorded Investment |  |  |  |  |
With no related allowance recorded | 184 |  | 184 | 189 |
With an allowance recorded | 248 |  | 248 | 536 |
Total: | 432 |  | 432 | 725 |
Unpaid Principal Balance (Loan Balance Plus Charge Off) |  |  |  |  |
With no related allowance recorded | 184 |  | 184 | 291 |
With an allowance recorded | 248 |  | 248 | 536 |
Total: | 432 |  | 432 | 827 |
Related Allowance | 38 |  | 38 | 128 |
Average Recorded Investment |  |  |  |  |
With no related allowance recorded | 164 | [1] | 175 | 142 |
With an allowance recorded | 324 |  | 400 | 350 |
Total | 488 | [1] | 575 | 492 |
Interest Income Recognized |  |  |  |  |
With no related allowance recorded | 0 | [1] | 0 | 30 | [1]
With an allowance recorded | 0 | [1] | 0 | 30 |
Total | 0 | [1] | 0 | 60 |
Cash Basis Interest Income Recognized |  |  |  |  |
With no related allowance recorded | 0 | [1] | 0 | 30 |
With an allowance recorded | 0 | [1] | 0 | 30 |
Total | $ 0 | [1] | $ 0 | $ 60 |
[1] | For the three months ended June 30, 2020

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