Net Income (Loss) Per Share (Tables)

12 Months Ended

Dec. 31, 2020

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted

	Year ended December 31,
In thousands except per share amounts	2020		2019		2018
Net income (loss) available to common stockholders:
Income (loss) from continuing operations	$	25,627	$	(346,896)	$	(48,955)
Income (loss) from discontinued operations	—		5,693		550
	$	25,627	$	(341,203)	$	(48,405)
Weighted average shares:
Basic	240,803		218,812		188,606
Effect of stock-based compensation plans	1,746		—		—
Diluted	242,549		218,812		188,606
Basic income (loss) per share:
Income (loss) from continuing operations	$	0.11	$	(1.59)	$	(0.26)
Income (loss) from discontinued operations	—		0.03		—
Basic(1)	$	0.11	$	(1.56)	$	(0.26)
Diluted income (loss) per share:
Income (loss) from continuing operations	$	0.11	$	(1.59)	$	(0.26)
Income (loss) from discontinued operations	—		0.03		—
Diluted(1)	$	0.11	$	(1.56)	$	(0.26)

(1) Due to rounding, the sum of net income per share from continuing operations and discontinued operations may not equal net income per share.