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Condensed Financial Information - Parent Company Only: Condensed Balance Sheets, Parent Company (Details) - USD ($) $ in Thousands | Sep. 30, 2017 | Sep. 30, 2016 | Sep. 30, 2015 | Sep. 30, 2014
--- | --- | --- | --- | ---
Cash and cash equivalents: |  |  |  |
Cash and due from financial institutions | $ 17,447 | $ 16,686 |  |
Interest-bearing deposits in banks | 130,741 | 92,255 |  |
Total cash and cash equivalents | 148,188 | 108,941 | $ 92,289 | $ 72,354
Other assets | 3,372 | 3,072 |  |
Total assets | 952,024 | 891,388 |  |
Liabilities and shareholders’ equity |  |  |  |
Shareholders’ equity | 111,000 | 96,834 | 89,187 | 82,778
Total liabilities and shareholders’ equity | 952,024 | 891,388 |  |
Parent Company |  |  |  |
Cash and cash equivalents: |  |  |  |
Cash and due from financial institutions | 485 | 278 |  |
Interest-bearing deposits in banks | 1,797 | 1,029 |  |
Total cash and cash equivalents | 2,282 | 1,307 | $ 1,250 | $ 495
Loan receivable from ESOP | 821 | 1,314 |  |
Investment in Bank | 107,957 | 94,240 |  |
Other assets | 14 | 13 |  |
Total assets | 111,074 | 96,874 |  |
Liabilities and shareholders’ equity |  |  |  |
Accrued expenses | 74 | 40 |  |
Shareholders’ equity | 111,000 | 96,834 |  |
Total liabilities and shareholders’ equity | $ 111,074 | $ 96,874 |  |

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