Earnings per Share (EPS) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands		12 Months Ended
		Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Numerator:
(Loss) income from continuing operations		$ (385,627)	$ 36,940	$ 3,507
Loss from discontinued operations, net of tax		0	0	(4,858)
Net (loss) income attributable to common stockholders (numerator for EPS)		$ (385,627)	$ 36,940	$ (1,351)
Denominator:
Weighted-average shares used in basic EPS (in shares)		175,640	173,912	173,914
Dilutive effect of common stock equivalents (in shares)		0	3,340	5,191
Weighted-average shares used in diluted EPS (in shares)		175,640	177,252	179,105
Basic (loss) earnings per share:
Continuing operations (in dollars per share)	[1]	$ (2.20)	$ 0.21	$ 0.02
Discontinued operations (in dollars per share)	[1]	0	0	(0.03)
Net (loss) income (in dollars per share)	[1]	(2.20)	0.21	(0.01)
Diluted (loss) earnings per share:
Continuing operations (in dollars per share)	[1]	(2.20)	0.21	0.02
Discontinued operations (in dollars per share)	[1]	0	0	(0.03)
Net (loss) income (in dollars per share)	[1]	$ (2.20)	$ 0.21	$ (0.01)
Common stock equivalents excluded from calculation of diluted earnings per share because their impact would be anti-dilutive (in shares)		9,421	10,234	6,514
Dilutive effect of common stock equivalents (in shares)		4,000

[1] The sum of the earnings per share amounts may not equal the totals due to rounding.