Stock-Based Compensation Plans - Outstanding Awards Under 2013 Omnibus Equity Incentive Plan (Parenthetical) (Detail)
|12 Months Ended|
Dec. 31, 2015
|Disclosure of Compensation Related Costs, Share-based Payments [Abstract]|
|Unrecognized stock-based compensation expenses recognition period||3 years 5 months 1 day|
Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.
Reference 1: http://www.xbrl.org/2003/role/presentationRef