EARNINGS PER SHARE (Information Related to EPS Calculation) (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) income	$ (34,103)	$ 13,328	$ (159,185)	$ 45,253
Net loss (income) attributable to noncontrolling interests	19	149	(33)	45
Net (loss) income attributable to common stockholders	$ (34,084)	$ 13,477	$ (159,218)	$ 45,298
Denominator:
Weighted-average basic common shares outstanding (in shares)	55,530	43,113	49,455	43,109
Numerator:
Net (loss) income attributable to common stockholders	$ (34,084)	$ 13,477	$ (159,218)	$ 45,298
Denominator:
Weighted-average basic common shares outstanding (in shares)	55,530	43,113	49,455	43,109
Restricted stock and stock options (in shares)	0	158	0	154
Weighted-average diluted common shares outstanding (in shares)	55,530	43,271	49,455	43,263
Basic (loss) income per share (in dollars per share)	$ (0.61)	$ 0.31	$ (3.22)	$ 1.05
Diluted (loss) income per share (in dollars per share)	$ (0.61)	$ 0.31	$ (3.22)	$ 1.05