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Stock-based Compensation- Summary of ESOP Shares (Detail) (USD $)
In Thousands, except Share data, unless otherwise specified
Jun. 30, 2014
Jun. 30, 2013
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]    
Allocated shares 37,571 19,245
Shares committed for release 19,245 19,245
Unearned shares 327,165 346,410
Total ESOP shares 383,981 384,900
Fair value of unearned ESOP shares $ 5,395 $ 5,293