Stock-based Compensation (Tables)

3 Months Ended

Mar. 31, 2019

Common Stock Incentive Plan

Summary of restricted stock unit awards

	Three Months Ended March 31, 2019
	No. of Stock Units		Weighted Average Grant Date Fair Value
	(in thousands)
Nonvested as of December 31, 2018		782	$	19.84
Granted		204	$	37.37
Vested		(264)	$	19.00
Nonvested as of March 31, 2019		722	$	25.11