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Loans Receivable And Allowance For Loan Losses: Financing Receivable Credit Quality Indicators (Details) - USD ($) $ in Thousands | Jun. 30, 2017 | Sep. 30, 2016
--- | --- | ---
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | $ 699,077 | $ 675,201
Mortgage loans, one-to-four family |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 121,705 | 118,560
Mortgage loans, multi-family |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 61,051 | 62,303
Mortgage loans, commercial |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 331,901 | 312,525
Mortgage loans, construction - custom and owner/builder |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 59,352 | 52,029
Mortgage loans, construction - speculative one-to-four family |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 2,506 | 4,074
Mortgage loans, construction – commercial |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 9,417 | 6,841
Mortgage loans, construction - Multi-family |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 5,296 | 11,539
Mortgage loans, land |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 24,333 | 21,627
Consumer loans, home equity and second mortgage |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 36,320 | 39,727
Consumer loans, other |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 3,789 | 4,139
Commercial business loans |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 43,407 | 41,837
Pass |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 680,160 | 644,423
Pass | Mortgage loans, one-to-four family |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 118,923 | 115,131
Pass | Mortgage loans, multi-family |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 59,289 | 60,504
Pass | Mortgage loans, commercial |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 321,664 | 292,756
Pass | Mortgage loans, construction - custom and owner/builder |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 59,352 | 51,432
Pass | Mortgage loans, construction - speculative one-to-four family |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 2,506 | 4,074
Pass | Mortgage loans, construction – commercial |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 9,417 | 6,841
Pass | Mortgage loans, construction - Multi-family |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 5,296 | 11,539
Pass | Mortgage loans, land |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 20,955 | 18,010
Pass | Consumer loans, home equity and second mortgage |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 35,661 | 38,261
Pass | Consumer loans, other |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 3,723 | 4,078
Pass | Commercial business loans |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 43,374 | 41,797
Watch |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 7,999 | 10,677
Watch | Mortgage loans, one-to-four family |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 507 | 364
Watch | Mortgage loans, multi-family |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 0 | 0
Watch | Mortgage loans, commercial |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 6,274 | 8,411
Watch | Mortgage loans, construction - custom and owner/builder |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 0 | 229
Watch | Mortgage loans, construction - speculative one-to-four family |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 0 | 0
Watch | Mortgage loans, construction – commercial |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 0 | 0
Watch | Mortgage loans, construction - Multi-family |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 0 | 0
Watch | Mortgage loans, land |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 1,030 | 1,043
Watch | Consumer loans, home equity and second mortgage |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 155 | 590
Watch | Consumer loans, other |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 0 | 0
Watch | Commercial business loans |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 33 | 40
Special Mention |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 7,832 | 15,065
Special Mention | Mortgage loans, one-to-four family |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 648 | 661
Special Mention | Mortgage loans, multi-family |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 1,762 | 1,799
Special Mention | Mortgage loans, commercial |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 3,560 | 10,746
Special Mention | Mortgage loans, construction - custom and owner/builder |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 0 | 0
Special Mention | Mortgage loans, construction - speculative one-to-four family |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 0 | 0
Special Mention | Mortgage loans, construction – commercial |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 0 | 0
Special Mention | Mortgage loans, construction - Multi-family |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 0 | 0
Special Mention | Mortgage loans, land |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 1,807 | 1,859
Special Mention | Consumer loans, home equity and second mortgage |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 55 | 0
Special Mention | Consumer loans, other |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 0 | 0
Special Mention | Commercial business loans |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 0 | 0
Substandard |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 3,086 | 5,036
Substandard | Mortgage loans, one-to-four family |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 1,627 | 2,404
Substandard | Mortgage loans, multi-family |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 0 | 0
Substandard | Mortgage loans, commercial |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 403 | 612
Substandard | Mortgage loans, construction - custom and owner/builder |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 0 | 368
Substandard | Mortgage loans, construction - speculative one-to-four family |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 0 | 0
Substandard | Mortgage loans, construction – commercial |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 0 | 0
Substandard | Mortgage loans, construction - Multi-family |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 0 | 0
Substandard | Mortgage loans, land |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 541 | 715
Substandard | Consumer loans, home equity and second mortgage |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 449 | 876
Substandard | Consumer loans, other |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | 66 | 61
Substandard | Commercial business loans |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Loans receivable | $ 0 | $ 0

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