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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, 2019 | Jun. 30, 2019 | Sep. 30, 2018
Recorded Investment |  |  |  |  |  |
With no related allowance recorded |  | $ 5,560 |  | $ 5,560 | $ 3,949 |
With an allowance recorded |  | 706 |  | 706 | 323 |
Total: |  | 6,266 |  | 6,266 | 4,272 |
Unpaid Principal Balance (Loan Balance Plus Charge Off) |  |  |  |  |  |
With no related allowance recorded |  | 5,763 |  | 5,763 | 4,200 |
With an allowance recorded |  | 706 |  | 706 | 323 |
Total: |  | 6,469 |  | 6,469 | 4,523 |
Related Allowance |  | 259 |  | 259 | 97 |
Average Recorded Investment |  |  |  |  |  |
With no related allowance recorded |  | 5,259 | [1] | 4,603 | 4,304 | [2]
With an allowance recorded |  | 713 | [1] | 582 | 1,603 | [2]
Total |  | 5,972 | [1] | 5,185 | 5,907 | [2]
Interest Income Recognized |  |  |  |  |  |
With no related allowance recorded |  | 117 | [1] | 234 | 215 | [2]
With an allowance recorded |  | 0 | [1] | 25 | 53 | [2]
Total |  | 117 | [1] | 259 | 268 | [2]
Cash Basis Interest Income Recognized |  |  |  |  |  |
With no related allowance recorded |  | 106 | [1] | 202 | 175 | [2]
With an allowance recorded |  | 0 | [1] | 25 | 42 | [2]
Total |  | 106 | [1] | 227 | 217 | [2]
Mortgage loans, one-to-four family |  |  |  |  |  |
Recorded Investment |  |  |  |  |  |
With no related allowance recorded |  | 1,220 |  | 1,220 | 1,054 |
With an allowance recorded |  |  |  |  | 0 |
Total: |  | 1,220 |  | 1,220 | 1,054 |
Unpaid Principal Balance (Loan Balance Plus Charge Off) |  |  |  |  |  |
With no related allowance recorded |  | 1,301 |  | 1,301 | 1,200 |
With an allowance recorded |  |  |  |  | 0 |
Total: |  | 1,301 |  | 1,301 | 1,200 |
Related Allowance |  | 0 |  | 0 | 0 |
Average Recorded Investment |  |  |  |  |  |
With no related allowance recorded |  | 1,145 | [1] | 1,089 | 1,422 | [2]
With an allowance recorded | [2] |  |  |  | 9 |
Total |  | 1,145 | [1] | 1,089 | 1,431 | [2]
Interest Income Recognized |  |  |  |  |  |
With no related allowance recorded |  | 18 | [1] | 53 | 80 | [2]
With an allowance recorded | [2] |  |  |  | 0 |
Total |  | 18 | [1] | 53 | 80 | [2]
Cash Basis Interest Income Recognized |  |  |  |  |  |
With no related allowance recorded |  | 15 | [1] | 47 | 69 | [2]
With an allowance recorded | [2] |  |  |  | 0 |
Total |  | 15 | [1] | 47 | 69 | [2]
Mortgage loans, commercial |  |  |  |  |  |
Recorded Investment |  |  |  |  |  |
With no related allowance recorded |  | 3,255 |  | 3,255 | 2,446 |
With an allowance recorded |  |  |  |  | 0 |
Total: |  | 3,255 |  | 3,255 | 2,446 |
Unpaid Principal Balance (Loan Balance Plus Charge Off) |  |  |  |  |  |
With no related allowance recorded |  | 3,255 |  | 3,255 | 2,446 |
With an allowance recorded |  |  |  |  | 0 |
Total: |  | 3,255 |  | 3,255 | 2,446 |
Related Allowance |  | 0 |  | 0 | 0 |
Average Recorded Investment |  |  |  |  |  |
With no related allowance recorded |  | 3,263 | [1] | 2,852 | 2,389 | [2]
With an allowance recorded | [2] |  |  |  | 760 |
Total |  | 3,263 | [1] | 2,852 | 3,149 | [2]
Interest Income Recognized |  |  |  |  |  |
With no related allowance recorded |  | 78 | [1] | 158 | 121 | [2]
With an allowance recorded | [2] |  |  |  | 28 |
Total |  | 78 | [1] | 158 | 149 | [2]
Cash Basis Interest Income Recognized |  |  |  |  |  |
With no related allowance recorded |  | 70 | [1] | 132 | 93 | [2]
With an allowance recorded | [2] |  |  |  | 21 |
Total |  | 70 | [1] | 132 | 114 | [2]
Mortgage loans, land |  |  |  |  |  |
Recorded Investment |  |  |  |  |  |
With no related allowance recorded |  | 279 |  | 279 | 90 |
With an allowance recorded |  | 143 |  | 143 | 153 |
Total: |  | 422 |  | 422 | 243 |
Unpaid Principal Balance (Loan Balance Plus Charge Off) |  |  |  |  |  |
With no related allowance recorded |  | 393 |  | 393 | 195 |
With an allowance recorded |  | 143 |  | 143 | 153 |
Total: |  | 536 |  | 536 | 348 |
Related Allowance |  | 37 |  | 37 | 34 |
Average Recorded Investment |  |  |  |  |  |
With no related allowance recorded |  | 174 | [1] | 109 | 283 | [2]
With an allowance recorded |  | 268 | [1] | 233 | 383 | [2]
Total |  | 442 | [1] | 342 | 666 | [2]
Interest Income Recognized |  |  |  |  |  |
With no related allowance recorded |  | 3 | [1] | 3 | 11 | [2]
With an allowance recorded |  | 0 | [1] | 0 | 9 | [2]
Total |  | 3 | [1] | 3 | 20 | [2]
Cash Basis Interest Income Recognized |  |  |  |  |  |
With no related allowance recorded |  | 3 | [1] | 3 | 10 | [2]
With an allowance recorded |  | 0 | [1] | 0 | 8 | [2]
Total |  | 3 | [1] | 3 | 18 | [2]
Consumer loans, home equity and second mortgage |  |  |  |  |  |
Recorded Investment |  |  |  |  |  |
With no related allowance recorded |  | 606 |  | 606 | 359 |
With an allowance recorded |  | 0 |  | 0 | 0 |
Total: |  | 606 |  | 606 | 359 |
Unpaid Principal Balance (Loan Balance Plus Charge Off) |  |  |  |  |  |
With no related allowance recorded |  | 606 |  | 606 | 359 |
With an allowance recorded |  | 0 |  | 0 | 0 |
Total: |  | 606 |  | 606 | 359 |
Related Allowance |  | 0 |  | 0 | 0 |
Average Recorded Investment |  |  |  |  |  |
With no related allowance recorded |  | 474 | [1] | 423 | 210 | [2]
With an allowance recorded |  | 0 | [1] | 38 | 310 | [2]
Total |  | 474 | [1] | 461 | 520 | [2]
Interest Income Recognized |  |  |  |  |  |
With no related allowance recorded |  | 0 | [1] | 0 | 3 | [2]
With an allowance recorded |  | 0 | [1] | 0 | 16 | [2]
Total |  | 0 | [1] | 0 | 19 | [2]
Cash Basis Interest Income Recognized |  |  |  |  |  |
With no related allowance recorded |  | 0 | [1] | 0 | 3 | [2]
With an allowance recorded |  | 0 | [1] | 0 | 13 | [2]
Total |  | 0 | [1] | 0 | 16 | [2]
Consumer loans, other |  |  |  |  |  |
Recorded Investment |  |  |  |  |  |
With an allowance recorded |  | 14 |  | 14 | 170 |
Total: |  | 14 |  | 14 |  |
Unpaid Principal Balance (Loan Balance Plus Charge Off) |  |  |  |  |  |
With an allowance recorded |  | 14 |  | 14 | 170 |
Total: |  | 14 |  | 14 |  |
Related Allowance |  | 8 |  | 8 | 63 |
Average Recorded Investment |  |  |  |  |  |
With an allowance recorded |  | 15 | [1] | 7 | 141 | [2]
Total |  | 15 | [1] | 7 |  |
Interest Income Recognized |  |  |  |  |  |
With an allowance recorded |  | 0 | [1] | 0 | 0 | [2]
Total |  | 0 | [1] | 0 |  |
Cash Basis Interest Income Recognized |  |  |  |  |  |
With an allowance recorded |  | 0 | [1] | 0 | 0 | [2]
Total |  | 0 | [1] | 0 |  |
Commercial business loans |  |  |  |  |  |
Recorded Investment |  |  |  |  |  |
With no related allowance recorded |  | 200 |  | 200 |  |
With an allowance recorded |  | 549 |  | 549 |  |
Total: |  | 749 |  | 749 | 170 |
Unpaid Principal Balance (Loan Balance Plus Charge Off) |  |  |  |  |  |
With no related allowance recorded |  | 208 |  | 208 |  |
With an allowance recorded |  | 549 |  | 549 |  |
Total: |  | 757 |  | 757 | 170 |
Related Allowance |  | 214 |  | 214 | 63 |
Average Recorded Investment |  |  |  |  |  |
With no related allowance recorded |  | 203 | [1] | 130 |  |
With an allowance recorded |  | 430 |  | 304 |  |
Total |  | 633 | [1] | 434 | 141 | [2]
Interest Income Recognized |  |  |  |  |  |
With no related allowance recorded |  | 18 | [1] | 20 |  |
With an allowance recorded |  | 0 | [1] | 25 |  |
Total |  | 18 | [1] | 45 | 0 | [2]
Cash Basis Interest Income Recognized |  |  |  |  |  |
With no related allowance recorded |  | 18 | [1] | 20 |  |
With an allowance recorded |  | 0 | [1] | 25 |  |
Total |  | $ 18 | [1] | $ 45 | $ 0 | [2]
[1] | For the three months ended June 30, 2019
[2] | For the year ended September 30, 2018.

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