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
	Mar. 31, 2019	Mar. 31, 2018
Numerator:
Net (loss) income attributable to common shareholders - Basic and Diluted	$ (1,767)	$ 1,642
Denominator:
Weighted average common shares - Basic (shares)	35,700	35,803
Effective of diluted shares:
Share-based awards (shares)	0	284
Weighted average common shares - Diluted (shares)	35,700	36,087
Net (loss) income per share attributable to common shareholders - Basic (in dollars per share)	$ (0.05)	$ 0.05
Net (loss) income per share attributable to common shareholders - Diluted (in dollars per share)	$ (0.05)	$ 0.05