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Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands | Sep. 30, 2016 | Sep. 30, 2015
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Statement of Financial Position [Abstract] |  |
Fair value of investment securities - held to maturity | $ 53,849 | $ 53,248
Allowance for loan losses | $ 3,056 | $ 2,886
Preferred stock; par value | $ 0.01 | $ 0.01
Preferred stock; shares authorized | 1,000,000 | 1,000,000
Preferred stock; shares issued | 0 | 0
Common stock; par value | $ 0.01 | $ 0.01
Common stock; shares authorized | 8,000,000 | 8,000,000
Common stock; shares issued | 5,923,742 | 5,923,742
Common stock, shares outstanding | 5,820,746 | 5,819,494
Treasury stock, shares | 102,996 | 104,248

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