Equity Compensation Plans (Tables)

12 Months Ended

Dec. 31, 2016

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Summary of Unvested Restricted Common Stock Activity

A summary of our unvested restricted stock activity during 2016 is as follows (shares in thousands):

	2016
	Shares			Weighted- Average Grant Date Fair Value
Unvested awards, beginning		2,124		$	26.03
Awards granted		526			39.07
Awards forfeited/cancelled		(282	)		29.69
Awards vested		(974	)		24.54
Unvested awards, ending		1,394		$	31.26