Fair Value of Financial Instruments - Schedule of Level 3 Assets Measured at Fair Value on Recurring Basis (Detail) (Mortgage Servicing Rights, Fair Value, Measurements, Recurring, USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
Mortgage Servicing Rights | Fair Value, Measurements, Recurring
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Beginning balance	$ 654	$ 445
Total realized and unrealized gains included in net income	41	161
Capitalized servicing assets	97	48
Ending balance	$ 792	$ 654