EARNINGS (LOSS) PER SHARE (Schedule of calculation of basic and diluted earnings (loss) 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
EARNINGS (LOSS) PER SHARE [Abstract]
Net income (loss) attributable to common stock	$ 8,275	$ (2,195)	$ 8,440	$ (8,492)
Weighted average shares - basic	67,756	61,526	66,751	61,138
Weighted average shares - diluted	72,661	61,526	72,050	61,138
Earnings (loss) per share attributable to common stock- basic	$ 0.12	$ (0.04)	$ 0.13	$ (0.14)
Earnings (loss) per share attributable to common stock- diluted	$ 0.11	$ (0.04)	$ 0.12	$ (0.14)
Shares excluded, anti-dilutive	411		402