EARNINGS PER SHARE - Components of Numerator and Denominator for Computation of Basic and Diluted Earnings per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Numerator:
Net loss attributable to common shareholders - Basic and Diluted	$ (14,151)	$ (51,674)	$ (16,240)	$ (53,441)
Denominator:
Weighted average common shares - Basic (shares)	36,123	35,824	35,998	35,763
Effect of diluted shares:
Share-based awards (shares)	0	0	0	0
Weighted average common shares - Diluted (shares)	36,123	35,824	35,998	35,763
Net loss per share attributable to common shareholders - Basic and Diluted (in dollars per share)	$ (0.39)	$ (1.44)	$ (0.45)	$ (1.49)