Stock Incentive Plans (Tables)

6 Months Ended

Jun. 30, 2016

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule of restricted common stock and performance based restricted stock unit in stock incentive plans

The following table summarizes restricted common stock and performance-based restricted stock unit activity in our stock incentive plans for the six months ended June 30, 2016.

	Restricted Common Stock							Restricted Stock Units
	Number of Shares			Weighted Average Grant Date Fair Value				Number of Units			Weighted Average Grant Date Fair Value
Unvested at January 1, 2016		374,817			$	12.68			751,500			$	12.41
Granted		685,872			15.06				—			—
Vested		(30,350	)		(9.72		)		—			—
Forfeited		(6,580	)		(13.81		)		(7,500	)		(12.43		)
Expired		(65,000	)	(1)	(13.23		)		—			—
Unvested at June 30, 2016		958,759			14.43				744,000			12.41

(1) Expired on June 30, 2016. Performance-based conditions were not achieved.