Employee Stock Ownership and 401(k) Plan ("KSOP") (Details) (USD $)	1 Months Ended	12 Months Ended			72 Months Ended
	Jan. 31, 2008	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2013	Jan. 31, 1998
Employee Stock Ownership Plan (ESOP) Disclosures [Line Items]
ESOP shares earned		$ (271,000)	$ (199,000)	$ (203,000)
KSOP
Employee Stock Ownership Plan (ESOP) Disclosures [Line Items]
Number of components in KSOP		2
Required service period		1 year
Employee minimum age requirement		21 years
Award vesting period		6 years
ESOP
Employee Stock Ownership Plan (ESOP) Disclosures [Line Items]
Dividends used for debt service		72,000	0	0
ESOP, shares distributed to participants					271,564
ESOP, loan borrowed from employer						7,930,000
ESOP, shares purchased for plan	1,058,000
ESOP, interest rate on employer loan		8.50%
ESOP, interest expense on employer loan		237,000	266,000	291,000
ESOP, amount outstanding on employer loan		2,566,000			2,566,000
ESOP, fair value of unallocated shares		1,746,000	1,375,000	1,069,000	1,746,000
ESOP shares earned		202,000	165,000	172,000
401(k)
Employee Stock Ownership Plan (ESOP) Disclosures [Line Items]
401(k), employer safe harbor contribution (percent)		3.00%
401(k), employer contributions		$ 289,000	$ 283,000	$ 290,000