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Share-Based Compensation - Schedule of Restricted Stock Units to be Settled in Cash (Parenthetical) (Detail)	12 Months Ended
	Dec. 31, 2015 shares
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]
Adjustment to restricted stock units	163,566

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- Definition

Adjustments to share based compensation restricted stock units number of shares.

+ References

No definition available.

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- References

No definition available.

+ Details

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