Fair Value of Financial Instruments - Additional Information (Detail)	Jun. 30, 2016 USD ($)
Fair Value Disclosures [Abstract]
Liabilities measured at fair value on a recurring basis	$ 0
Liabilities measured at fair value on a nonrecurring basis	$ 0

Aggregation of the liabilities reported on the balance sheet measured at fair value on a nonrecurring basis by the entity.

No definition available.

Name:	us-gaap_LiabilitiesFairValueDisclosureNonrecurring
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant