EARNINGS PER SHARE (Information Related to EPS Calculation) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Numerator:
Net (loss) income	$ (125,082)	$ 31,925
Net income attributable to noncontrolling interests	(52)	(104)
Net (loss) income attributable to common stockholders	$ (125,134)	$ 31,821
Denominator:
Weighted-average basic common shares outstanding (in shares)	43,380	43,106
Numerator:
Net (loss) income attributable to common stockholders	$ (125,134)	$ 31,821
Denominator:
Weighted-average basic common shares outstanding (in shares)	43,380	43,106
Restricted stock and stock options (in shares)	0	151
Weighted-average diluted common shares outstanding (in shares)	43,380	43,257
Basic (loss) income per share (in dollars per share)	$ (2.88)	$ 0.74
Diluted (loss) income per share (in dollars per share)	$ (2.88)	$ 0.74