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Loans Receivable And Allowance For Loan Losses: Financing Receivable Credit Quality Indicators (Details) - USD ($) $ in Thousands | Dec. 31, 2016 | Sep. 30, 2016
--- | --- | ---
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | $ 681,167 | $ 675,201
Pass |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 651,179 | 644,423
Watch |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 10,381 | 10,677
Special Mention |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 15,198 | 15,065
Substandard |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 4,409 | 5,036
Mortgage loans, one-to-four family |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 119,485 | 118,560
Mortgage loans, one-to-four family | Pass |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 116,242 | 115,131
Mortgage loans, one-to-four family | Watch |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 357 | 364
Mortgage loans, one-to-four family | Special Mention |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 657 | 661
Mortgage loans, one-to-four family | Substandard |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 2,229 | 2,404
Mortgage loans, multi-family |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 52,062 | 62,303
Mortgage loans, multi-family | Pass |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 50,275 | 60,504
Mortgage loans, multi-family | Watch |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 0 | 0
Mortgage loans, multi-family | Special Mention |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 1,787 | 1,799
Mortgage loans, multi-family | Substandard |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 0 | 0
Mortgage loans, commercial |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 323,496 | 312,525
Mortgage loans, commercial | Pass |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 304,358 | 292,756
Mortgage loans, commercial | Watch |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 8,363 | 8,411
Mortgage loans, commercial | Special Mention |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 10,775 | 10,746
Mortgage loans, commercial | Substandard |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 0 | 612
Mortgage loans, construction - custom and owner/builder |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 53,548 | 52,029
Mortgage loans, construction - custom and owner/builder | Pass |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 53,181 | 51,432
Mortgage loans, construction - custom and owner/builder | Watch |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 0 | 229
Mortgage loans, construction - custom and owner/builder | Special Mention |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 0 | 0
Mortgage loans, construction - custom and owner/builder | Substandard |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 367 | 368
Mortgage loans, construction - speculative one-to-four family |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 3,118 | 4,074
Mortgage loans, construction - speculative one-to-four family | Pass |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 3,118 | 4,074
Mortgage loans, construction - speculative one-to-four family | Watch |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 0 | 0
Mortgage loans, construction - speculative one-to-four family | Special Mention |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 0 | 0
Mortgage loans, construction - speculative one-to-four family | Substandard |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 0 | 0
Mortgage loans, construction – commercial |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 6,860 | 6,841
Mortgage loans, construction – commercial | Pass |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 6,860 | 6,841
Mortgage loans, construction – commercial | Watch |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 0 | 0
Mortgage loans, construction – commercial | Special Mention |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 0 | 0
Mortgage loans, construction – commercial | Substandard |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 0 | 0
Mortgage loans, construction - Multi-family |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 15,457 | 11,539
Mortgage loans, construction - Multi-family | Pass |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 15,457 | 11,539
Mortgage loans, construction - Multi-family | Watch |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 0 | 0
Mortgage loans, construction - Multi-family | Special Mention |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 0 | 0
Mortgage loans, construction - Multi-family | Substandard |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 0 | 0
Mortgage loans, land |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 22,359 | 21,627
Mortgage loans, land | Pass |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 18,581 | 18,010
Mortgage loans, land | Watch |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 1,036 | 1,043
Mortgage loans, land | Special Mention |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 1,843 | 1,859
Mortgage loans, land | Substandard |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 899 | 715
Consumer loans, home equity and second mortgage |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 37,602 | 39,727
Consumer loans, home equity and second mortgage | Pass |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 36,024 | 38,261
Consumer loans, home equity and second mortgage | Watch |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 588 | 590
Consumer loans, home equity and second mortgage | Special Mention |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 136 | 0
Consumer loans, home equity and second mortgage | Substandard |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 854 | 876
Consumer loans, other |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 4,523 | 4,139
Consumer loans, other | Pass |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 4,463 | 4,078
Consumer loans, other | Watch |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 0 | 0
Consumer loans, other | Special Mention |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 0 | 0
Consumer loans, other | Substandard |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 60 | 61
Commercial business loans |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 42,657 | 41,837
Commercial business loans | Pass |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 42,620 | 41,797
Commercial business loans | Watch |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 37 | 40
Commercial business loans | Special Mention |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 0 | 0
Commercial business loans | Substandard |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | $ 0 | $ 0

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