Equity Compensation Plans (Tables)

12 Months Ended

Dec. 31, 2015

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Summary of Unvested Restricted Common Stock Activity

A summary of our unvested restricted stock activity during 2015 is as follows (shares in thousands):

	2015
	Shares			Weighted- Average Grant Date Fair Value
Unvested awards, January 1, 2015		2,311		$	22.81
Awards granted		736			30.71
Awards forfeited/cancelled		(109	)		23.95
Awards vested		(814	)		21.88
Unvested awards, December 31, 2015		2,124		$	26.03