EARNINGS PER SHARE CALCULATIONS - Summary of EPS Calculations, Diluted (Details) - $ / shares	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Earnings Per Share [Abstract]
Loss from continuing operations attributable to common stockholders	$ (3.37)	$ (1.48)	$ (4.20)	$ (1.59)
Income from discontinued operations, net of tax	0	0.72	0	1.52
Net loss attributable to common stockholders	$ (3.37)	$ (0.76)	$ (4.20)	$ (0.07)