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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, 2017 | Jun. 30, 2017 | Sep. 30, 2016
Recorded Investment |  |  |  |  |  |
With no related allowance recorded |  | $ 2,639 |  | $ 2,639 | $ 9,942 |
With an allowance recorded |  | 4,528 |  | 4,528 | 6,295 |
Total: |  | 7,167 |  | 7,167 | 16,237 |
Unpaid Principal Balance (Loan Balance Plus Charge Off) |  |  |  |  |  |
With no related allowance recorded |  | 2,903 |  | 2,903 | 11,806 |
With an allowance recorded |  | 4,528 |  | 4,528 | 6,295 |
Total: |  | 7,431 |  | 7,431 | 18,101 |
Related Allowance |  | 429 |  | 429 | 776 |
Average Recorded Investment |  |  |  |  |  |
With no related allowance recorded |  | 3,311 | [1] | 6,496 | 10,476 | [2]
With an allowance recorded |  | 5,318 | [1] | 5,785 | 8,103 | [2]
Total |  | 8,629 | [1] | 12,281 | 18,579 | [2]
Interest Income Recognized |  |  |  |  |  |
With no related allowance recorded |  | 25 | [1] | 227 | 475 | [2]
With an allowance recorded |  | 60 | [1] | 262 | 478 | [2]
Total |  | 85 | [1] | 489 | 953 | [2]
Cash Basis Interest Income Recognized |  |  |  |  |  |
With no related allowance recorded |  | 22 | [1] | 183 | 380 | [2]
With an allowance recorded |  | 48 | [1] | 212 | 378 | [2]
Total |  | 70 | [1] | 395 | 758 | [2]
Mortgage loans, one-to-four family |  |  |  |  |  |
Recorded Investment |  |  |  |  |  |
With no related allowance recorded |  | 1,423 |  | 1,423 | 914 |
With an allowance recorded |  | 46 |  | 46 | 1,350 |
Total: |  | 1,469 |  | 1,469 | 2,264 |
Unpaid Principal Balance (Loan Balance Plus Charge Off) |  |  |  |  |  |
With no related allowance recorded |  | 1,570 |  | 1,570 | 1,060 |
With an allowance recorded |  | 46 |  | 46 | 1,350 |
Total: |  | 1,616 |  | 1,616 | 2,410 |
Related Allowance |  | 0 |  | 0 | 70 |
Average Recorded Investment |  |  |  |  |  |
With no related allowance recorded |  | 1,145 | [1] | 1,024 | 1,349 | [2]
With an allowance recorded |  | 479 | [1] | 901 | 1,921 | [2]
Total |  | 1,624 | [1] | 1,925 | 3,270 | [2]
Interest Income Recognized |  |  |  |  |  |
With no related allowance recorded |  | 23 | [1] | 46 | 38 | [2]
With an allowance recorded |  | 1 | [1] | 50 | 118 | [2]
Total |  | 24 | [1] | 96 | 156 | [2]
Cash Basis Interest Income Recognized |  |  |  |  |  |
With no related allowance recorded |  | 20 | [1] | 43 | 38 | [2]
With an allowance recorded |  | 1 | [1] | 38 | 89 | [2]
Total |  | 21 | [1] | 81 | 127 | [2]
Mortgage loans, multi-family |  |  |  |  |  |
Recorded Investment |  |  |  |  |  |
With no related allowance recorded |  |  |  |  | 0 |
With an allowance recorded |  |  |  |  | 0 |
Total: |  |  |  |  | 0 |
Unpaid Principal Balance (Loan Balance Plus Charge Off) |  |  |  |  |  |
With no related allowance recorded |  |  |  |  | 0 |
With an allowance recorded |  |  |  |  | 0 |
Total: |  |  |  |  | 0 |
Related Allowance |  |  |  |  | 0 |
Average Recorded Investment |  |  |  |  |  |
With no related allowance recorded | [2] |  |  |  | 152 |
With an allowance recorded | [2] |  |  |  | 655 |
Total | [2] |  |  |  | 807 |
Interest Income Recognized |  |  |  |  |  |
With no related allowance recorded | [2] |  |  |  | 0 |
With an allowance recorded | [2] |  |  |  | 0 |
Total | [2] |  |  |  | 0 |
Cash Basis Interest Income Recognized |  |  |  |  |  |
With no related allowance recorded | [2] |  |  |  | 0 |
With an allowance recorded | [2] |  |  |  | 0 |
Total | [2] |  |  |  | 0 |
Mortgage loans, commercial |  |  |  |  |  |
Recorded Investment |  |  |  |  |  |
With no related allowance recorded |  | 839 |  | 839 | 7,566 |
With an allowance recorded |  | 3,245 |  | 3,245 | 3,743 |
Total: |  | 4,084 |  | 4,084 | 11,309 |
Unpaid Principal Balance (Loan Balance Plus Charge Off) |  |  |  |  |  |
With no related allowance recorded |  | 839 |  | 839 | 8,685 |
With an allowance recorded |  | 3,245 |  | 3,245 | 3,743 |
Total: |  | 4,084 |  | 4,084 | 12,428 |
Related Allowance |  | 20 |  | 20 | 413 |
Average Recorded Investment |  |  |  |  |  |
With no related allowance recorded |  | 1,540 | [1] | 4,384 | 7,784 | [2]
With an allowance recorded |  | 3,629 | [1] | 3,681 | 4,181 | [2]
Total |  | 5,169 | [1] | 8,065 | 11,965 | [2]
Interest Income Recognized |  |  |  |  |  |
With no related allowance recorded |  | 2 | [1] | 166 | 421 | [2]
With an allowance recorded |  | 45 | [1] | 159 | 275 | [2]
Total |  | 47 | [1] | 325 | 696 | [2]
Cash Basis Interest Income Recognized |  |  |  |  |  |
With no related allowance recorded |  | 2 | [1] | 127 | 330 | [2]
With an allowance recorded |  | 35 | [1] | 128 | 215 | [2]
Total |  | 37 | [1] | 255 | 545 | [2]
Mortgage loans, construction - custom and owner/builder |  |  |  |  |  |
Recorded Investment |  |  |  |  |  |
With no related allowance recorded |  | 0 |  | 0 | 367 |
Total: |  | 0 |  | 0 | 367 |
Unpaid Principal Balance (Loan Balance Plus Charge Off) |  |  |  |  |  |
With no related allowance recorded |  | 0 |  | 0 | 367 |
Total: |  | 0 |  | 0 | 367 |
Related Allowance |  | 0 |  | 0 | 0 |
Average Recorded Investment |  |  |  |  |  |
With no related allowance recorded |  | 0 | [1] | 184 | 73 | [2]
Total |  | 0 | [1] | 184 | 73 | [2]
Interest Income Recognized |  |  |  |  |  |
With no related allowance recorded |  | 0 | [1] | 7 | 0 | [2]
Total |  | 0 | [1] | 7 | 0 | [2]
Cash Basis Interest Income Recognized |  |  |  |  |  |
With no related allowance recorded |  | 0 | [1] | 7 | 0 | [2]
Total |  | 0 | [1] | 7 | 0 | [2]
Mortgage loans, land |  |  |  |  |  |
Recorded Investment |  |  |  |  |  |
With no related allowance recorded |  | 252 |  | 252 | 693 |
With an allowance recorded |  | 802 |  | 802 | 575 |
Total: |  | 1,054 |  | 1,054 | 1,268 |
Unpaid Principal Balance (Loan Balance Plus Charge Off) |  |  |  |  |  |
With no related allowance recorded |  | 369 |  | 369 | 1,101 |
With an allowance recorded |  | 802 |  | 802 | 575 |
Total: |  | 1,171 |  | 1,171 | 1,676 |
Related Allowance |  | 89 |  | 89 | 53 |
Average Recorded Investment |  |  |  |  |  |
With no related allowance recorded |  | 345 | [1] | 566 | 839 | [2]
With an allowance recorded |  | 683 | [1] | 627 | 604 | [2]
Total |  | 1,028 | [1] | 1,193 | 1,443 | [2]
Interest Income Recognized |  |  |  |  |  |
With no related allowance recorded |  | 0 | [1] | 8 | 16 | [2]
With an allowance recorded |  | 9 | [1] | 28 | 39 | [2]
Total |  | 9 | [1] | 36 | 55 | [2]
Cash Basis Interest Income Recognized |  |  |  |  |  |
With no related allowance recorded |  | 0 | [1] | 6 | 12 | [2]
With an allowance recorded |  | 7 | [1] | 23 | 32 | [2]
Total |  | 7 | [1] | 29 | 44 | [2]
Consumer loans, home equity and second mortgage |  |  |  |  |  |
Recorded Investment |  |  |  |  |  |
With no related allowance recorded |  | 125 |  | 125 | 402 |
With an allowance recorded |  | 435 |  | 435 | 597 |
Total: |  | 560 |  | 560 | 999 |
Unpaid Principal Balance (Loan Balance Plus Charge Off) |  |  |  |  |  |
With no related allowance recorded |  | 125 |  | 125 | 593 |
With an allowance recorded |  | 435 |  | 435 | 597 |
Total: |  | 560 |  | 560 | 1,190 |
Related Allowance |  | 320 |  | 320 | 227 |
Average Recorded Investment |  |  |  |  |  |
With no related allowance recorded |  | 254 | [1] | 324 | 264 | [2]
With an allowance recorded |  | 513 | [1] | 554 | 709 | [2]
Total |  | 767 | [1] | 878 | 973 | [2]
Interest Income Recognized |  |  |  |  |  |
With no related allowance recorded |  | 0 | [1] | 0 | 0 | [2]
With an allowance recorded |  | 5 | [1] | 25 | 44 | [2]
Total |  | 5 | [1] | 25 | 44 | [2]
Cash Basis Interest Income Recognized |  |  |  |  |  |
With no related allowance recorded |  | 0 | [1] | 0 | 0 | [2]
With an allowance recorded |  | 5 | [1] | 23 | 40 | [2]
Total |  | 5 | [1] | 23 | 40 | [2]
Consumer loans, other |  |  |  |  |  |
Recorded Investment |  |  |  |  |  |
With an allowance recorded |  | 0 |  | 0 | 30 |
Total: |  | 0 |  | 0 | 30 |
Unpaid Principal Balance (Loan Balance Plus Charge Off) |  |  |  |  |  |
With an allowance recorded |  | 0 |  | 0 | 30 |
Total: |  | 0 |  | 0 | 30 |
Related Allowance |  | 0 |  | 0 | 13 |
Average Recorded Investment |  |  |  |  |  |
With an allowance recorded |  | 14 | [1] | 22 | 33 | [2]
Total |  | 14 | [1] | 22 | 33 | [2]
Interest Income Recognized |  |  |  |  |  |
With an allowance recorded |  | 0 | [1] | 0 | 2 | [2]
Total |  | 0 | [1] | 0 | 2 | [2]
Cash Basis Interest Income Recognized |  |  |  |  |  |
With an allowance recorded |  | 0 | [1] | 0 | 2 | [2]
Total |  | 0 | [1] | 0 | 2 | [2]
Commercial business loans |  |  |  |  |  |
Recorded Investment |  |  |  |  |  |
With no related allowance recorded |  | 0 |  | 0 | 0 |
Total: |  | 0 |  | 0 | 0 |
Unpaid Principal Balance (Loan Balance Plus Charge Off) |  |  |  |  |  |
With no related allowance recorded |  | 0 |  | 0 | 0 |
Total: |  | 0 |  | 0 | 0 |
Related Allowance |  | 0 |  | 0 | 0 |
Average Recorded Investment |  |  |  |  |  |
With no related allowance recorded |  | 27 | [1] | 14 | 15 | [2]
Total |  | 27 | [1] | 14 | 15 | [2]
Interest Income Recognized |  |  |  |  |  |
With no related allowance recorded |  | 0 | [1] | 0 | 0 | [2]
Total |  | 0 | [1] | 0 | 0 | [2]
Cash Basis Interest Income Recognized |  |  |  |  |  |
With no related allowance recorded |  | 0 | [1] | 0 | 0 | [2]
Total |  | $ 0 | [1] | $ 0 | $ 0 | [2]
[1] | For the three months ended June 30, 2017.
[2] | For the year ended September 30, 2016.

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