Earnings per Share (Tables)

9 Months Ended

Sep. 30, 2019

Earnings Per Share [Abstract]

Schedule of Weighted Average Number of Shares

The following table summarizes the calculation of weighted average common shares outstanding used in the computation of diluted earnings per share (in thousands):

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2019		2018		2019		2018
Weighted average basic common shares      outstanding		44,371		44,216		44,349		44,199
Effect of dilutive securities:
Performance shares		4		221		111		269
Restricted stock		341		154		394		145
Weighted average diluted common and       potential common shares outstanding		44,716		44,591		44,854		44,613