Income Taxes - Schedule of Components of Deferred Taxes (Detail) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Jun. 30, 2013
Income Tax Disclosure [Abstract]
Non-accrued interest income	$ 158	$ 64
Net unrealized gain on securities available for sale	(75)	(195)
Depreciation	439	547
Mortgage servicing rights	(316)	(261)
Allowance for loan losses	2,345	2,261
Employee benefit plans	1,771	2,234
Other-than-temporary impairment of securities	0	91
Other, net	(140)	(157)
Net deferred tax asset	$ 4,182	$ 4,584