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Federal Income Taxes: Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands | Sep. 30, 2025 | Sep. 30, 2024
--- | --- | ---
Deferred Tax Assets |  |
Allowance for credit losses | $ 3,800 | $ 3,670
Allowance for OREO losses | 5 | 5
OTTI credit impairment on investment securities | 38 | 50
Accrued interest on loans | 68 | 69
Deferred compensation and bonuses | 121 | 163
Reserve for loan commitments | 90 | 69
Operating lease liabilities | 646 | 331
Net unrealized losses on investment securities and investments in equity securities | 89 | 5
Other | 435 | 70
Total deferred tax assets | 5,292 | 4,432
Deferred Tax Liabilities |  |
Goodwill | 1,187 | 1,187
Loan servicing rights | 171 | 288
Depreciation | 997 | 815
Loan fees/costs | 1,108 | 1,044
Prepaid expenses | 168 | 159
Purchase accounting adjustment | 83 | 110
Operating lease ROU assets | 619 | 310
Other | 0 | 27
Total deferred tax liabilities | 4,333 | 3,940
Net deferred tax assets | $ 959 | $ 492

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