FAIR VALUE - Additional Information (Detail) (USD $)	3 Months Ended		12 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Jun. 30, 2012
Fair Value Measurement [Line Items]
Discount for selling cost	9.00%
Additional discount is applied to properties	10.00%
Principal balance on collateral loans	$ 23,300,000		$ 26,300,000
Valuation allowance on impaired loans	1,400,000		1,400,000
Provision for impaired loan losses	100,000	2,500,000
Principal balance impaired charge-offs	8,000,000		9,700,000
Mortgage servicing rights fair value	6,100,000		6,500,000
Impairment charges on mortgage	604,179	698,468
Other real estate carrying amount	7,232,119		7,733,578
Net loss recognized on other real estate	(17,881)	140,112
Provision on other real estate owned loss	233,719	69,400
Changes in fair value	(87,634)	231,052
Outstanding [Member]
Fair Value Measurement [Line Items]
Mortgage servicing rights fair value, outstanding	6,500,000		7,300,000
Mortgage Servicing Rights [Member]
Fair Value Measurement [Line Items]
Valuation allowance on mortgages	1,400,000		800,000
Tranche [Member]
Fair Value Measurement [Line Items]
Impairment charges on mortgage	$ 600,000	$ 700,000