Stock-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2019

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

Summary of Unvested RSU and PSU Award Activity

The table below summarizes performance unit (“PSU”) activity for the three months ended March 31, 2019:

	Shares	Weighted-Average Grant Date Fair Value
Unvested PSUs at December 31, 2018	252,500	$	13.75
Granted	669,550	$	9.30
Unvested PSUs at March 31, 2019	922,050	$	10.52

The table below summarizes RSU award activity for the three months ended March 31, 2019:

	Shares		Weighted-Average Grant Date Fair Value
Unvested RSUs at December 31, 2018	810,995		$	8.83
Granted	743,350		$	6.40
Forfeited	(13,750	)	$	7.70
Vested	(225,401	)	$	8.56
Unvested RSUs at March 31, 2019	1,315,194		$	7.51