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Federal Income Taxes: Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands | Sep. 30, 2017 | Sep. 30, 2016
--- | --- | ---
Deferred Tax Assets |  |
Allowance for loan losses | $ 3,380 | $ 3,508
Allowance for OREO losses | 443 | 519
Unearned ESOP shares | 148 | 224
CDI | 103 | 151
OTTI credit impairment on investment securities | 173 | 174
Accrued interest on loans | 29 | 31
Net unrealized losses on investment securities | 66 | 90
Deferred compensation and bonuses | 94 | 90
Reserve for loan commitments | 75 | 54
Other | 39 | 34
Total deferred tax assets | 4,550 | 4,875
Deferred Tax Liabilities |  |
Goodwill | 1,714 | 1,549
MSRs | 639 | 539
Depreciation | 480 | 403
FHLB stock dividends | 137 | 419
Prepaid expenses | 140 | 145
Other | 35 | 6
Total deferred tax liabilities | 3,145 | 3,061
Net deferred tax assets | $ 1,405 | $ 1,814

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