Loans and Allowance for Loan Losses - Non Accruals (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Jun. 30, 2012
Nonaccrual loans
Total	$ 5,921	$ 5,354
Construction [Member]
Nonaccrual loans
Total
Commercial Business [Member]
Nonaccrual loans
Total	41	2
Consumer [Member]
Nonaccrual loans
Total	112	113
One-to-Four Family [Member]
Nonaccrual loans
Total	3,896	3,667
Multi-Family [Member]
Nonaccrual loans
Total	1,708	1,477
Commercial [Member]
Nonaccrual loans
Total	109	95
Home Equity Lines of Credit [Member]
Nonaccrual loans
Total	$ 55