Subsequent Events - Additional Information (Detail) - USD ($)	3 Months Ended
Sep. 30, 2015	Jun. 30, 2015
Subsequent Event [Line Items]
Proceeds from Recoveries of Loans Previously Charged off	$ 241,000	$ 481,000
Receivable From Recovery of Loan Previously Charged Off	$ 941,000

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

No definition available.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration