Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2017	Sep. 30, 2016
Statement of Financial Position [Abstract]
Mortgage-backed securities and other investments held to maturity-fair value	$ 7,744	$ 8,395
Allowance for loan losses	$ 9,553	$ 9,826
Preferred stock par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock shares authorized	1,000,000	1,000,000
Preferred stock shares issued	0	0
Common stock par value (in dollars per share)	$ 0.01	$ 0.01
Common stock shares authorized	50,000,000	50,000,000
Common stock shares issued	7,361,077	6,943,868
Common stock shares outstanding	7,361,077	6,943,868

Face amount or stated value per share of common stock.

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Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

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Fair value of investments in debt securities classified as held-to-maturity.

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Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements.

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Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer.

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