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Loans Receivable And Allowance For Loan Losses: Impaired Financing Receivables (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Mar. 31, 2016 | Mar. 31, 2016 | Sep. 30, 2015
Recorded Investment |  |  |  |  |  |  |
With no related allowance recorded |  | $ 10,452 |  | $ 10,452 |  | $ 11,059 |
With an allowance recorded |  | 6,688 |  | 6,688 |  | 13,372 |
Total: |  | 17,140 |  | 17,140 |  | 24,431 |
Unpaid Principal Balance (Loan Balance Plus Charge Off) |  |  |  |  |  |  |
With no related allowance recorded |  | 12,280 |  | 12,280 |  | 13,133 |
With an allowance recorded |  | 6,688 |  | 6,688 |  | 13,372 |
Total: |  | 18,968 |  | 18,968 |  | 26,505 |
Related Allowance |  | 864 |  | 864 |  | 1,011 |
Average Recorded Investment |  |  |  |  |  |  |
With no related allowance recorded |  | 10,709 | [1] | 10,826 | [2] | 12,983 | [3]
With an allowance recorded |  | 7,200 | [1] | 9,256 | [2] | 14,458 | [3]
Total |  | 17,909 | [1] | 20,082 | [2] | 27,441 | [3]
Interest Income Recognized |  |  |  |  |  |  |
With no related allowance recorded |  | 122 | [1] | 260 | [2] | 574 | [3]
With an allowance recorded |  | 110 | [1] | 217 | [2] | 585 | [3]
Total |  | 232 | [1] | 477 | [2] | 1,159 | [3]
Cash Basis Interest Income Recognized |  |  |  |  |  |  |
With no related allowance recorded |  | 97 | [1] | 208 | [2] | 460 | [3]
With an allowance recorded |  | 86 | [1] | 170 | [2] | 443 | [3]
Total |  | 183 | [1] | 378 | [2] | 903 | [3]
Mortgage loans, one-to-four family |  |  |  |  |  |  |
Recorded Investment |  |  |  |  |  |  |
With no related allowance recorded |  | 1,365 |  | 1,365 |  | 1,321 |
With an allowance recorded |  | 1,565 |  | 1,565 |  | 2,970 |
Total: |  | 2,930 |  | 2,930 |  | 4,291 |
Unpaid Principal Balance (Loan Balance Plus Charge Off) |  |  |  |  |  |  |
With no related allowance recorded |  | 1,435 |  | 1,435 |  | 1,546 |
With an allowance recorded |  | 1,565 |  | 1,565 |  | 2,970 |
Total: |  | 3,000 |  | 3,000 |  | 4,516 |
Related Allowance |  | 120 |  | 120 |  | 307 |
Average Recorded Investment |  |  |  |  |  |  |
With no related allowance recorded |  | 1,634 | [1] | 1,531 | [2] | 1,919 | [3]
With an allowance recorded |  | 1,964 | [1] | 2,299 | [2] | 3,833 | [3]
Total |  | 3,598 | [1] | 3,830 | [2] | 5,752 | [3]
Interest Income Recognized |  |  |  |  |  |  |
With no related allowance recorded |  | 6 | [1] | 18 | [2] | 25 | [3]
With an allowance recorded |  | 31 | [1] | 63 | [2] | 149 | [3]
Total |  | 37 | [1] | 81 | [2] | 174 | [3]
Cash Basis Interest Income Recognized |  |  |  |  |  |  |
With no related allowance recorded |  | 6 | [1] | 18 | [2] | 25 | [3]
With an allowance recorded |  | 23 | [1] | 47 | [2] | 112 | [3]
Total |  | 29 | [1] | 65 | [2] | 137 | [3]
Mortgage loans, multi-family |  |  |  |  |  |  |
Recorded Investment |  |  |  |  |  |  |
With no related allowance recorded |  | 0 |  | 0 |  | 760 |
With an allowance recorded |  | 0 |  | 0 |  | 3,277 |
Total: |  | 0 |  | 0 |  | 4,037 |
Unpaid Principal Balance (Loan Balance Plus Charge Off) |  |  |  |  |  |  |
With no related allowance recorded |  | 0 |  | 0 |  | 791 |
With an allowance recorded |  | 0 |  | 0 |  | 3,277 |
Total: |  | 0 |  | 0 |  | 4,068 |
Related Allowance |  | 0 |  | 0 |  | 16 |
Average Recorded Investment |  |  |  |  |  |  |
With no related allowance recorded |  | 0 | [1] | 253 | [2] | 570 | [3]
With an allowance recorded |  | 0 | [1] | 1,092 | [2] | 3,291 | [3]
Total |  | 0 | [1] | 1,345 | [2] | 3,861 | [3]
Interest Income Recognized |  |  |  |  |  |  |
With no related allowance recorded |  | 0 | [1] | 0 | [2] | 3 | [3]
With an allowance recorded |  | 0 | [1] | 0 | [2] | 184 | [3]
Total |  | 0 | [1] | 0 | [2] | 187 | [3]
Cash Basis Interest Income Recognized |  |  |  |  |  |  |
With no related allowance recorded |  | 0 | [1] | 0 | [2] | 3 | [3]
With an allowance recorded |  | 0 | [1] | 0 | [2] | 137 | [3]
Total |  | 0 | [1] | 0 | [2] | 140 | [3]
Mortgage loans, commercial |  |  |  |  |  |  |
Recorded Investment |  |  |  |  |  |  |
With no related allowance recorded |  | 8,207 |  | 8,207 |  | 7,199 |
With an allowance recorded |  | 3,770 |  | 3,770 |  | 5,653 |
Total: |  | 11,977 |  | 11,977 |  | 12,852 |
Unpaid Principal Balance (Loan Balance Plus Charge Off) |  |  |  |  |  |  |
With no related allowance recorded |  | 9,348 |  | 9,348 |  | 8,259 |
With an allowance recorded |  | 3,770 |  | 3,770 |  | 5,653 |
Total: |  | 13,118 |  | 13,118 |  | 13,912 |
Related Allowance |  | 412 |  | 412 |  | 265 |
Average Recorded Investment |  |  |  |  |  |  |
With no related allowance recorded |  | 8,167 | [1] | 7,844 | [2] | 9,078 | [3]
With an allowance recorded |  | 3,877 | [1] | 4,469 | [2] | 3,475 | [3]
Total |  | 12,044 | [1] | 12,313 | [2] | 12,553 | [3]
Interest Income Recognized |  |  |  |  |  |  |
With no related allowance recorded |  | 112 | [1] | 234 | [2] | 521 | [3]
With an allowance recorded |  | 59 | [1] | 113 | [2] | 202 | [3]
Total |  | 171 | [1] | 347 | [2] | 723 | [3]
Cash Basis Interest Income Recognized |  |  |  |  |  |  |
With no related allowance recorded |  | 88 | [1] | 184 | [2] | 412 | [3]
With an allowance recorded |  | 46 | [1] | 88 | [2] | 152 | [3]
Total |  | 134 | [1] | 272 | [2] | 564 | [3]
Mortgage loans, construction - custom and owner/builder |  |  |  |  |  |  |
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 | [3] |  |  |  |  | 118 |
With an allowance recorded | [3] |  |  |  |  | 17 |
Total | [3] |  |  |  |  | 135 |
Interest Income Recognized |  |  |  |  |  |  |
With no related allowance recorded | [3] |  |  |  |  | 0 |
With an allowance recorded | [3] |  |  |  |  | 0 |
Total | [3] |  |  |  |  | 0 |
Cash Basis Interest Income Recognized |  |  |  |  |  |  |
With no related allowance recorded | [3] |  |  |  |  | 0 |
With an allowance recorded | [3] |  |  |  |  | 0 |
Total | [3] |  |  |  |  | 0 |
Mortgage loans, land |  |  |  |  |  |  |
Recorded Investment |  |  |  |  |  |  |
With no related allowance recorded |  | 600 |  | 600 |  | 1,614 |
With an allowance recorded |  | 585 |  | 585 |  | 691 |
Total: |  | 1,185 |  | 1,185 |  | 2,305 |
Unpaid Principal Balance (Loan Balance Plus Charge Off) |  |  |  |  |  |  |
With no related allowance recorded |  | 1,009 |  | 1,009 |  | 2,150 |
With an allowance recorded |  | 585 |  | 585 |  | 691 |
Total: |  | 1,594 |  | 1,594 |  | 2,841 |
Related Allowance |  | 57 |  | 57 |  | 37 |
Average Recorded Investment |  |  |  |  |  |  |
With no related allowance recorded |  | 648 | [1] | 970 | [2] | 1,028 | [3]
With an allowance recorded |  | 588 | [1] | 622 | [2] | 3,298 | [3]
Total |  | 1,236 | [1] | 1,592 | [2] | 4,326 | [3]
Interest Income Recognized |  |  |  |  |  |  |
With no related allowance recorded |  | 4 | [1] | 8 | [2] | 25 | [3]
With an allowance recorded |  | 10 | [1] | 20 | [2] | 32 | [3]
Total |  | 14 | [1] | 28 | [2] | 57 | [3]
Cash Basis Interest Income Recognized |  |  |  |  |  |  |
With no related allowance recorded |  | 3 | [1] | 6 | [2] | 20 | [3]
With an allowance recorded |  | 8 | [1] | 16 | [2] | 27 | [3]
Total |  | 11 | [1] | 22 | [2] | 47 | [3]
Consumer loans, home equity and second mortgage |  |  |  |  |  |  |
Recorded Investment |  |  |  |  |  |  |
With no related allowance recorded |  | 280 |  | 280 |  | 165 |
With an allowance recorded |  | 735 |  | 735 |  | 745 |
Total: |  | 1,015 |  | 1,015 |  | 910 |
Unpaid Principal Balance (Loan Balance Plus Charge Off) |  |  |  |  |  |  |
With no related allowance recorded |  | 485 |  | 485 |  | 381 |
With an allowance recorded |  | 735 |  | 735 |  | 745 |
Total: |  | 1,220 |  | 1,220 |  | 1,126 |
Related Allowance |  | 259 |  | 259 |  | 362 |
Average Recorded Investment |  |  |  |  |  |  |
With no related allowance recorded |  | 223 | [1] | 204 | [2] | 270 | [3]
With an allowance recorded |  | 737 | [1] | 740 | [2] | 516 | [3]
Total |  | 960 | [1] | 944 | [2] | 786 | [3]
Interest Income Recognized |  |  |  |  |  |  |
With no related allowance recorded |  | 0 | [1] | 0 | [2] | 0 | [3]
With an allowance recorded |  | 10 | [1] | 21 | [2] | 18 | [3]
Total |  | 10 | [1] | 21 | [2] | 18 | [3]
Cash Basis Interest Income Recognized |  |  |  |  |  |  |
With no related allowance recorded |  | 0 | [1] | 0 | [2] | 0 | [3]
With an allowance recorded |  | 9 | [1] | 19 | [2] | 15 | [3]
Total |  | 9 | [1] | 19 | [2] | 15 | [3]
Consumer loans, other |  |  |  |  |  |  |
Recorded Investment |  |  |  |  |  |  |
With no related allowance recorded |  | 0 |  | 0 |  |  |
With an allowance recorded |  | 33 |  | 33 |  | 36 |
Total: |  | 33 |  | 33 |  | 36 |
Unpaid Principal Balance (Loan Balance Plus Charge Off) |  |  |  |  |  |  |
With no related allowance recorded |  | 0 |  | 0 |  |  |
With an allowance recorded |  | 33 |  | 33 |  | 36 |
Total: |  | 33 |  | 33 |  | 36 |
Related Allowance |  | 16 |  | 16 |  | 24 |
Average Recorded Investment |  |  |  |  |  |  |
With no related allowance recorded |  | 0 | [1] | 0 | [2] |  |
With an allowance recorded |  | 34 | [1] | 34 | [2] | 28 | [3]
Total |  | 34 | [1] | 34 | [2] | 28 | [3]
Interest Income Recognized |  |  |  |  |  |  |
With no related allowance recorded |  | 0 | [1] | 0 | [2] |  |
With an allowance recorded |  | 0 | [1] | 0 | [2] | 0 | [3]
Total |  | 0 | [1] | 0 | [2] | 0 | [3]
Cash Basis Interest Income Recognized |  |  |  |  |  |  |
With no related allowance recorded |  | 0 | [1] | 0 | [2] |  |
With an allowance recorded |  | 0 | [1] | 0 | [2] | 0 | [3]
Total |  | 0 | [1] | 0 | [2] | 0 | [3]
Commercial business loans |  |  |  |  |  |  |
Recorded Investment |  |  |  |  |  |  |
With no related allowance recorded |  | 0 |  | 0 |  | 0 |
With an allowance recorded |  | 0 |  | 0 |  |  |
Total: |  | 0 |  | 0 |  | 0 |
Unpaid Principal Balance (Loan Balance Plus Charge Off) |  |  |  |  |  |  |
With no related allowance recorded |  | 3 |  | 3 |  | 6 |
With an allowance recorded |  | 0 |  | 0 |  |  |
Total: |  | 3 |  | 3 |  | 6 |
Related Allowance |  | 0 |  | 0 |  | 0 |
Average Recorded Investment |  |  |  |  |  |  |
With no related allowance recorded |  | 37 | [1] | 24 | [2] | 0 | [3]
With an allowance recorded | [2] |  |  | 0 |  |  |
Total |  | 37 | [1] | 24 | [2] | 0 | [3]
Interest Income Recognized |  |  |  |  |  |  |
With no related allowance recorded |  | 0 | [1] | 0 | [2] | 0 | [3]
With an allowance recorded |  | 0 | [1] | 0 | [2] |  |
Total |  | 0 | [1] | 0 | [2] | 0 | [3]
Cash Basis Interest Income Recognized |  |  |  |  |  |  |
With no related allowance recorded |  | 0 | [1] | 0 | [2] | 0 | [3]
With an allowance recorded |  | 0 | [1] | 0 | [2] |  |
Total |  | $ 0 | [1] | $ 0 | [2] | $ 0 | [3]
[1] | For the three months ended March 31, 2016.
[2] | For the six months ended March 31, 2016.
[3] | For the year ended September 30, 2015.

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- Definition Unpaid principal balance of impaired financing receivables for which there is a related allowance for credit losses. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(4) -URI http://asc.fasb.org/extlink&oid=66008989&loc=d3e5212-111524 + Details
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