Loan Servicing - Additional Information (Detail) - USD ($)	12 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2013
Transfers and Servicing [Abstract]
Unpaid principal balances of mortgage loans serviced for others	$ 73,823,000	$ 74,017,000
Custodial escrow balances in connection with the foregoing loan servicing	909,000	825,000
Mortgage servicing rights, Fair value	$ 505,000	$ 506,000	$ 502,000