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CREDIT DISCLSOURES - Impaired Loans (Details) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Sep. 30, 2017
Loans without a specific valuation allowance |  |  |
Recorded Balance | $ 1,915 |  | $ 1,181
Unpaid Principal Balance | 1,915 |  | 1,181
Average Recorded Investment | 1,426 | $ 772 |
1-4 Family Real Estate [Member] |  |  |
Loans without a specific valuation allowance |  |  |
Recorded Balance | 95 |  | 72
Unpaid Principal Balance | 95 |  | 72
Average Recorded Investment | 80 | 172 |
Commercial and Multi-Family Real Estate [Member] |  |  |
Loans without a specific valuation allowance |  |  |
Recorded Balance | 707 |  | 1,109
Unpaid Principal Balance | 707 |  | $ 1,109
Average Recorded Investment | 975 | 432 |
Consumer Loans [Member] |  |  |
Loans without a specific valuation allowance |  |  |
Recorded Balance | 61 |  |
Unpaid Principal Balance | 61 |  |
Average Recorded Investment | 20 | 0 |
Commercial Operating [Member] |  |  |
Loans without a specific valuation allowance |  |  |
Average Recorded Investment | 0 | 168 |
Agricultural Operating [Member] |  |  |
Loans without a specific valuation allowance |  |  |
Recorded Balance | 1,052 |  |
Unpaid Principal Balance | 1,052 |  |
Average Recorded Investment | $ 351 | $ 0 |

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