EARNINGS PER SHARE - Details of Basic and Diluted Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Earnings Per Share [Abstract]
Loss from continuing operations	$ (19,680)	$ (49,254)	$ (69,493)	$ (160,004)
Weighted average common shares outstanding used in basic EPS (in shares)	45,099	44,877	45,033	44,809
Common shares issuable upon exercise of dilutive stock options and PSAs / RSUs (in shares)	0	0	0	0
Weighted average common shares outstanding and common share equivalents used in diluted EPS (in shares)	45,099	44,877	45,033	44,809
Loss per share from continuing operations
Basic (in dollars per share)	$ (0.43)	$ (1.10)	$ (1.54)	$ (3.57)
Diluted (in dollars per share)	$ (0.43)	$ (1.10)	$ (1.54)	$ (3.57)