Fair Value of Financial Instruments - Additional Information (Detail)	Jun. 30, 2015 USD ($)
Fair Value, Measurements, Recurring \| Fair Value, Inputs, Level 3
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Significant unobservable inputs of assets (liabilities)	$ 0

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration