Subsequent Event (detail)	Apr. 01, 2017	Mar. 31, 2017
Subsequent Event [Abstract]
Business Combination Step Acquisition Equity Interest In Acquiree Percentage		50.00%
Equity Method Right to Acquire	50.00%

Percentage of equity in the acquiree held by the acquirer immediately before the acquisition date in a business combination.

No definition available.

Name:	us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireePercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant