EARNINGS PER SHARE CALCULATIONS - Summary of EPS Calculations, Diluted (Details) - $ / shares	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Earnings Per Share [Abstract]
(Loss) earnings from continuing operations attributable to common stockholders	$ (0.11)	$ 0.49	$ (4.31)	$ (1.10)
Income from discontinued operations, net of tax	0	0.01	0	1.53
Net (loss) earnings attributable to common stockholders	$ (0.11)	$ 0.50	$ (4.31)	$ 0.43