Allowance for Loan Losses for Mortgage Loans (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2011
Schedule of Held-to-maturity Securities [Line Items]
Balance, beginning of period	$ 1,309
Provision (credit) for loan losses	(148)	615	(281)
Balance, end of period	1,659	1,309
Mortgage Loans
Schedule of Held-to-maturity Securities [Line Items]
Balance, beginning of period	591	882
Provision (credit) for loan losses	137	(13)
Charge-offs	(295)	(335)
Recoveries from borrowers	7	57
Balance, end of period	$ 440	$ 591