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Share-Based Compensation - Schedule of Information with Respect to all Outstanding Restricted Stock (Parenthetical) (Detail) - shares	3 Months Ended	12 Months Ended
	Mar. 31, 2016	Dec. 31, 2015
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]
Adjustment to restricted stock units		200,000
Vested stock settled in cash	9,200

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- Definition

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

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- Definition

Share based compensation arrangement by share based payment awards equity instruments vested settled in cash.

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No definition available.

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- References

No definition available.

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