Fair Value - Schedule of Difference between the Aggregate Fair Value and the Aggregate Remaining Principal Balance (Detail) (Residential Loans Held for Sale [Member], USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Jun. 30, 2013
Residential Loans Held for Sale [Member]
Fair Value, Estimate Not Practicable, Financial Statement Captions [Line Items]
Aggregate Fair Value	$ 11,398	$ 13,572
Difference	402	(329)
Contractual Principal	$ 10,996	$ 13,901