Stock-Based Compensation Plans - Outstanding Awards Under 2013 Omnibus Equity Incentive Plan (Parenthetical) (Detail) |
9 Months Ended |
|---|---|
Sep. 30, 2017 | |
| Disclosure of Compensation Related Costs, Share-based Payments [Abstract] | |
| Unrecognized stock-based compensation expenses recognition period | 2 years 11 months 26 days |
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition 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
|