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Loans Receivable And Allowance For Loan Losses: Impaired Financing Receivables (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2016 | Sep. 30, 2016
Recorded Investment |  |  |  |
With no related allowance recorded |  | $ 9,418 | $ 9,942 |
With an allowance recorded |  | 6,212 | 6,295 |
Total: |  | 15,630 | 16,237 |
Unpaid Principal Balance (Loan Balance Plus Charge Off) |  |  |  |
With no related allowance recorded |  | 11,222 | 11,806 |
With an allowance recorded |  | 6,212 | 6,295 |
Total: |  | 17,434 | 18,101 |
Related Allowance |  | 756 | 776 |
Average Recorded Investment |  |  |  |
With no related allowance recorded |  | 9,681 | 10,476 | [1]
With an allowance recorded |  | 6,255 | 8,103 | [1]
Total |  | 15,936 | 18,579 | [1]
Interest Income Recognized |  |  |  |
With no related allowance recorded |  | 136 | 475 | [1]
With an allowance recorded |  | 111 | 478 | [1]
Total |  | 247 | 953 | [1]
Cash Basis Interest Income Recognized |  |  |  |
With no related allowance recorded |  | 108 | 380 | [1]
With an allowance recorded |  | 91 | 378 | [1]
Total |  | 199 | 758 | [1]
Mortgage loans, one-to-four family |  |  |  |
Recorded Investment |  |  |  |
With no related allowance recorded |  | 893 | 914 |
With an allowance recorded |  | 1,297 | 1,350 |
Total: |  | 2,190 | 2,264 |
Unpaid Principal Balance (Loan Balance Plus Charge Off) |  |  |  |
With no related allowance recorded |  | 1,040 | 1,060 |
With an allowance recorded |  | 1,297 | 1,350 |
Total: |  | 2,337 | 2,410 |
Related Allowance |  | 68 | 70 |
Average Recorded Investment |  |  |  |
With no related allowance recorded |  | 904 | 1,349 | [1]
With an allowance recorded |  | 1,324 | 1,921 | [1]
Total |  | 2,228 | 3,270 | [1]
Interest Income Recognized |  |  |  |
With no related allowance recorded |  | 12 | 38 | [1]
With an allowance recorded |  | 27 | 118 | [1]
Total |  | 39 | 156 | [1]
Cash Basis Interest Income Recognized |  |  |  |
With no related allowance recorded |  | 11 | 38 | [1]
With an allowance recorded |  | 20 | 89 | [1]
Total |  | 31 | 127 | [1]
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 | [1] |  | 152 |
With an allowance recorded | [1] |  | 655 |
Total | [1] |  | 807 |
Interest Income Recognized |  |  |  |
With no related allowance recorded | [1] |  | 0 |
With an allowance recorded | [1] |  | 0 |
Total | [1] |  | 0 |
Cash Basis Interest Income Recognized |  |  |  |
With no related allowance recorded | [1] |  | 0 |
With an allowance recorded | [1] |  | 0 |
Total | [1] |  | 0 |
Mortgage loans, commercial |  |  |  |
Recorded Investment |  |  |  |
With no related allowance recorded |  | 6,892 | 7,566 |
With an allowance recorded |  | 3,723 | 3,743 |
Total: |  | 10,615 | 11,309 |
Unpaid Principal Balance (Loan Balance Plus Charge Off) |  |  |  |
With no related allowance recorded |  | 7,953 | 8,685 |
With an allowance recorded |  | 3,723 | 3,743 |
Total: |  | 11,676 | 12,428 |
Related Allowance |  | 406 | 413 |
Average Recorded Investment |  |  |  |
With no related allowance recorded |  | 7,229 | 7,784 | [1]
With an allowance recorded |  | 3,733 | 4,181 | [1]
Total |  | 10,962 | 11,965 | [1]
Interest Income Recognized |  |  |  |
With no related allowance recorded |  | 113 | 421 | [1]
With an allowance recorded |  | 65 | 275 | [1]
Total |  | 178 | 696 | [1]
Cash Basis Interest Income Recognized |  |  |  |
With no related allowance recorded |  | 87 | 330 | [1]
With an allowance recorded |  | 54 | 215 | [1]
Total |  | 141 | 545 | [1]
Mortgage loans, construction - custom and owner/builder |  |  |  |
Recorded Investment |  |  |  |
With no related allowance recorded |  | 367 | 367 |
Total: |  | 367 | 367 |
Unpaid Principal Balance (Loan Balance Plus Charge Off) |  |  |  |
With no related allowance recorded |  | 367 | 367 |
Total: |  | 367 | 367 |
Related Allowance |  | 0 | 0 |
Average Recorded Investment |  |  |  |
With no related allowance recorded |  | 367 | 73 | [1]
Total |  | 367 | 73 | [1]
Interest Income Recognized |  |  |  |
With no related allowance recorded |  | 7 | 0 | [1]
Total |  | 7 | 0 | [1]
Cash Basis Interest Income Recognized |  |  |  |
With no related allowance recorded |  | 7 | 0 | [1]
Total |  | 7 | 0 | [1]
Mortgage loans, land |  |  |  |
Recorded Investment |  |  |  |
With no related allowance recorded |  | 879 | 693 |
With an allowance recorded |  | 569 | 575 |
Total: |  | 1,448 | 1,268 |
Unpaid Principal Balance (Loan Balance Plus Charge Off) |  |  |  |
With no related allowance recorded |  | 1,284 | 1,101 |
With an allowance recorded |  | 569 | 575 |
Total: |  | 1,853 | 1,676 |
Related Allowance |  | 52 | 53 |
Average Recorded Investment |  |  |  |
With no related allowance recorded |  | 786 | 839 | [1]
With an allowance recorded |  | 572 | 604 | [1]
Total |  | 1,358 | 1,443 | [1]
Interest Income Recognized |  |  |  |
With no related allowance recorded |  | 4 | 16 | [1]
With an allowance recorded |  | 9 | 39 | [1]
Total |  | 13 | 55 | [1]
Cash Basis Interest Income Recognized |  |  |  |
With no related allowance recorded |  | 3 | 12 | [1]
With an allowance recorded |  | 8 | 32 | [1]
Total |  | 11 | 44 | [1]
Consumer loans, home equity and second mortgage |  |  |  |
Recorded Investment |  |  |  |
With no related allowance recorded |  | 387 | 402 |
With an allowance recorded |  | 594 | 597 |
Total: |  | 981 | 999 |
Unpaid Principal Balance (Loan Balance Plus Charge Off) |  |  |  |
With no related allowance recorded |  | 578 | 593 |
With an allowance recorded |  | 594 | 597 |
Total: |  | 1,172 | 1,190 |
Related Allowance |  | 217 | 227 |
Average Recorded Investment |  |  |  |
With no related allowance recorded |  | 395 | 264 | [1]
With an allowance recorded |  | 596 | 709 | [1]
Total |  | 991 | 973 | [1]
Interest Income Recognized |  |  |  |
With no related allowance recorded |  | 0 | 0 | [1]
With an allowance recorded |  | 10 | 44 | [1]
Total |  | 10 | 44 | [1]
Cash Basis Interest Income Recognized |  |  |  |
With no related allowance recorded |  | 0 | 0 | [1]
With an allowance recorded |  | 9 | 40 | [1]
Total |  | 9 | 40 | [1]
Consumer loans, other |  |  |  |
Recorded Investment |  |  |  |
With an allowance recorded |  | 29 | 30 |
Total: |  | 29 | 30 |
Unpaid Principal Balance (Loan Balance Plus Charge Off) |  |  |  |
With an allowance recorded |  | 29 | 30 |
Total: |  | 29 | 30 |
Related Allowance |  | 13 | 13 |
Average Recorded Investment |  |  |  |
With an allowance recorded |  | 30 | 33 | [1]
Total |  | 30 | 33 | [1]
Interest Income Recognized |  |  |  |
With an allowance recorded |  | 0 | 2 | [1]
Total |  | 0 | 2 | [1]
Cash Basis Interest Income Recognized |  |  |  |
With an allowance recorded |  | 0 | 2 | [1]
Total |  | $ 0 | 2 | [1]
Commercial business loans |  |  |  |
Recorded Investment |  |  |  |
With no related allowance recorded |  |  | 0 |
Total: |  |  | 0 |
Unpaid Principal Balance (Loan Balance Plus Charge Off) |  |  |  |
With no related allowance recorded |  |  | 0 |
Total: |  |  | 0 |
Related Allowance |  |  | 0 |
Average Recorded Investment |  |  |  |
With no related allowance recorded | [1] |  | 15 |
Total | [1] |  | 15 |
Interest Income Recognized |  |  |  |
With no related allowance recorded | [1] |  | 0 |
Total | [1] |  | 0 |
Cash Basis Interest Income Recognized |  |  |  |
With no related allowance recorded | [1] |  | 0 |
Total | [1] |  | $ 0 |
[1] | For the year ended September 30, 2016.

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