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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, 2021 | Jun. 30, 2021 | Sep. 30, 2020
Recorded Investment |  |  |  |  |
With no related allowance recorded | $ 4,115 |  | $ 4,115 | $ 5,041 |
With an allowance recorded | 294 |  | 294 | 732 |
Total: | 4,409 |  | 4,409 | 5,773 |
Unpaid Principal Balance (Loan Balance Plus Charge Off) |  |  |  |  |
With no related allowance recorded | 4,160 |  | 4,160 | 5,129 |
With an allowance recorded | 294 |  | 294 | 732 |
Total: | 4,454 |  | 4,454 | 5,861 |
Related Allowance | 171 |  | 171 | 41 |
Average Recorded Investment |  |  |  |  |
With no related allowance recorded | 4,497 | [1] | 4,796 | 5,251 |
With an allowance recorded | 295 | [1] | 404 | 681 |
Total | 4,791 | [1] | 5,200 | 5,932 |
Interest Income Recognized |  |  |  |  |
With no related allowance recorded | 49 | [1] | 173 | 177 | [1]
With an allowance recorded | 0 | [1] | 0 | 16 |
Total | 49 | [1] | 173 | 193 |
Cash Basis Interest Income Recognized |  |  |  |  |
With no related allowance recorded | 42 | [1] | 143 | 141 |
With an allowance recorded | 0 | [1] | 0 | 8 |
Total | 42 | [1] | 143 | 149 |
Mortgage loans, one-to-four family |  |  |  |  |
Recorded Investment |  |  |  |  |
With no related allowance recorded | 411 |  | 411 | 659 |
With an allowance recorded | 0 |  | 0 | 484 |
Total: | 411 |  | 411 | 1,143 |
Unpaid Principal Balance (Loan Balance Plus Charge Off) |  |  |  |  |
With no related allowance recorded | 454 |  | 454 | 703 |
With an allowance recorded | 0 |  | 0 | 484 |
Total: | 454 |  | 454 | 1,187 |
Related Allowance | 0 |  | 0 | 3 |
Average Recorded Investment |  |  |  |  |
With no related allowance recorded | 653 | [1] | 717 | 1,127 |
With an allowance recorded | 0 | [1] | 121 | 194 |
Total | 653 | [1] | 838 | 1,321 |
Interest Income Recognized |  |  |  |  |
With no related allowance recorded | 8 | [1] | 50 | 44 | [1]
With an allowance recorded | 0 | [1] | 0 | 16 |
Total | 8 | [1] | 50 | 60 |
Cash Basis Interest Income Recognized |  |  |  |  |
With no related allowance recorded | 8 | [1] | 45 | 34 |
With an allowance recorded | 0 | [1] | 0 | 8 |
Total | 8 | [1] | 45 | 42 |
Mortgage loans, commercial |  |  |  |  |
Recorded Investment |  |  |  |  |
With no related allowance recorded | 2,753 |  | 2,753 | 3,242 |
Total: | 2,753 |  | 2,753 | 3,242 |
Unpaid Principal Balance (Loan Balance Plus Charge Off) |  |  |  |  |
With no related allowance recorded | 2,753 |  | 2,753 | 3,242 |
Total: | 2,753 |  | 2,753 | 3,242 |
Related Allowance | 0 |  | 0 | 0 |
Average Recorded Investment |  |  |  |  |
With no related allowance recorded | 2,891 | [1] | 3,013 | 3,236 |
Total | 2,891 | [1] | 3,013 | 3,236 |
Interest Income Recognized |  |  |  |  |
With no related allowance recorded | 39 | [1] | 120 | 133 | [1]
Total | 39 | [1] | 120 | 133 |
Cash Basis Interest Income Recognized |  |  |  |  |
With no related allowance recorded | 32 | [1] | 95 | 107 |
Total | 32 | [1] | 95 | 107 |
Mortgage loans, land |  |  |  |  |
Recorded Investment |  |  |  |  |
With no related allowance recorded | 169 |  | 169 | 394 |
With an allowance recorded |  |  |  | 0 |
Total: | 169 |  | 169 | 394 |
Unpaid Principal Balance (Loan Balance Plus Charge Off) |  |  |  |  |
With no related allowance recorded | 169 |  | 169 | 438 |
With an allowance recorded |  |  |  | 0 |
Total: | 169 |  | 169 | 438 |
Related Allowance | 0 |  | 0 | 0 |
Average Recorded Investment |  |  |  |  |
With no related allowance recorded | 171 | [1] | 285 | 125 |
With an allowance recorded |  |  |  | 110 |
Total | 171 | [1] | 285 | 235 |
Interest Income Recognized |  |  |  |  |
With no related allowance recorded | 1 | [1] | 2 | 0 | [1]
With an allowance recorded |  |  |  | 0 |
Total | 1 | [1] | 2 | 0 |
Cash Basis Interest Income Recognized |  |  |  |  |
With no related allowance recorded | 1 | [1] | 2 | 0 |
With an allowance recorded |  |  |  | 0 |
Total | 1 | [1] | 2 | 0 |
Consumer loans, home equity and second mortgage |  |  |  |  |
Recorded Investment |  |  |  |  |
With no related allowance recorded | 545 |  | 545 | 555 |
Total: | 545 |  | 545 | 555 |
Unpaid Principal Balance (Loan Balance Plus Charge Off) |  |  |  |  |
With no related allowance recorded | 545 |  | 545 | 555 |
Total: | 545 |  | 545 | 555 |
Related Allowance | 0 |  | 0 | 0 |
Average Recorded Investment |  |  |  |  |
With no related allowance recorded | 542 | [1] | 561 | 581 |
Total | 542 | [1] | 561 | 581 |
Interest Income Recognized |  |  |  |  |
With no related allowance recorded | 1 | [1] | 1 | 0 | [1]
Total | 1 | [1] | 1 | 0 |
Cash Basis Interest Income Recognized |  |  |  |  |
With no related allowance recorded | 1 | [1] | 1 | 0 |
Total | 1 | [1] | 1 | 0 |
Consumer loans, other |  |  |  |  |
Recorded Investment |  |  |  |  |
With no related allowance recorded | 17 |  | 17 | 9 |
With an allowance recorded |  |  |  | 0 |
Total: | 17 |  | 17 | 9 |
Unpaid Principal Balance (Loan Balance Plus Charge Off) |  |  |  |  |
With no related allowance recorded | 17 |  | 17 | 9 |
With an allowance recorded |  |  |  | 0 |
Total: | 17 |  | 17 | 9 |
Related Allowance | 0 |  | 0 | 0 |
Average Recorded Investment |  |  |  |  |
With no related allowance recorded | 13 | [1] | 11 | 6 |
With an allowance recorded |  |  |  | 7 |
Total | 13 | [1] | 11 | 13 |
Interest Income Recognized |  |  |  |  |
With no related allowance recorded | 0 | [1] | 0 | 0 |
With an allowance recorded |  |  |  | 0 |
Total | 0 | [1] | 0 | 0 |
Cash Basis Interest Income Recognized |  |  |  |  |
With no related allowance recorded | 0 | [1] | 0 |  |
With an allowance recorded |  |  |  | 0 |
Total | 0 | [1] | 0 | 0 |
Commercial business loans |  |  |  |  |
Recorded Investment |  |  |  |  |
With no related allowance recorded | 220 |  | 220 | 182 |
With an allowance recorded | 294 |  | 294 | 248 |
Total: | 514 |  | 514 | 430 |
Unpaid Principal Balance (Loan Balance Plus Charge Off) |  |  |  |  |
With no related allowance recorded | 222 |  | 222 | 182 |
With an allowance recorded | 294 |  | 294 | 248 |
Total: | 516 |  | 516 | 430 |
Related Allowance | 171 |  | 171 | 38 |
Average Recorded Investment |  |  |  |  |
With no related allowance recorded | 227 | [1] | 209 | 176 |
With an allowance recorded | 295 |  | 283 | 370 |
Total | 521 | [1] | 492 | 546 |
Interest Income Recognized |  |  |  |  |
With no related allowance recorded | 0 | [1] | 0 | 0 | [1]
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 | 0 |
With an allowance recorded | 0 | [1] | 0 | 0 |
Total | $ 0 | [1] | $ 0 | $ 0 |
[1] | For the three months ended June 30, 2021

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