Employee Benefits (Detail) (USD $)	1 Months Ended		12 Months Ended
	Apr. 30, 2010	Apr. 30, 2000	Jun. 30, 2012	Jun. 30, 2011
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Deferred compensation plan expense			$ 184,000	$ 104,000
Deferred compensation plan liability			1,045,000	946,000
Borrowings by ESOP	1,971,420	368,000
Shares purchased by the ESOP	197,142	46,006
Shares purchased by the ESOP, price per share	$ 10	$ 8
Borrowings by ESOP, term				12 years
Borrowings by ESOP, interest rate				8.00%
Employee stock purchase plan, vesting period			7 years
Total ESOP expenses			120,000	121,000
Employee stock purchase plan, shares released and allocated to participants			16,616
Employee stock purchase plan, shares not yet been allocated or committed to be released			155,601
Employee stock purchase plan, cost of shares not yet been allocated or committed to be released			1,556,000
Employee stock purchase plan, fair value of shares not yet been allocated or committed to be released			1,556,010
Restricted Stock [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Employee stock purchase plan, vesting period			5 years
Stock incentive plan, shares granted during the period			98,571
Stock incentive plan, total expense expected over the vesting period			984,000
Stock incentive plan, expense recognized during the current period			131,000
Stock incentive plan, expense not yet recognized			853,000
Options granted during the period				0
Profit Sharing Plan [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined contribution plan by employer, maximum percentage of salaries			15.00%	15.00%
Defined contribution plan by employer, amount			158,000	162,000
Defined Contribution Pension Plan 401k [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined contribution plan by employer, maximum percentage of salaries			4.00%	4.00%
Defined contribution plan by employer, amount			$ 54,000	$ 53,000
Defined contribution plan, employer matching contribution			50.00%	50.00%