Net Income (Loss) Per Share (Tables)

6 Months Ended

Jun. 30, 2019

Earnings Per Share [Abstract]

Calculation of Basic and Diluted Weighted-Average Number of Shares of Common Stock and EPS

The following is a calculation of the basic and diluted weighted-average number of shares of common stock and EPS for the three and six months ended June 30, 2019 and 2018:

	Three Months Ended June 30,
(in thousands, except per share data)	2019						2018
	Income		Shares		Per Share		Loss			Shares		Per Share
Basic:
Net income (loss), shares, basic	$	27,512		35,678	$	0.77	$	(19,036	)		20,129	$	(0.95	)
Weighted-average number of shares of common    stock-diluted:
Restricted stock and performance unit awards		—		148				—			—
Diluted:
Net income (loss), shares, diluted	$	27,512		35,826	$	0.77	$	(19,036	)		20,129	$	(0.95	)

	Six Months Ended June 30,
(in thousands, except per share data)	2019						2018
	Income		Shares		Per Share		Loss			Shares		Per Share
Basic:
Net income (loss), shares, basic	$	13,414		30,645	$	0.44	$	(21,660	)		19,848	$	(1.09	)
Weighted-average number of shares of common    stock-diluted:
Restricted stock and performance unit awards		—		185				—			—
Diluted:
Net income (loss), shares, diluted	$	13,414		30,830	$	0.44	$	(21,660	)		19,848	$	(1.09	)