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, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Numerator:
Net (loss) income	$ (5,879)	$ 3,120	$ (4,045)	$ 8,779
Net loss attributable to noncontrolling interests	791	0	431	0
Net (loss) income attributable to common stockholders	$ (5,088)	$ 3,120	$ (3,614)	$ 8,779
Denominator:
Weighted average basic common shares outstanding (in shares)	42,573	40,373	43,014	40,088
Numerator:
Net income attributable to common stockholders	$ (5,088)	$ 3,120	$ (3,614)	$ 8,779
Denominator:
Weighted average basic common shares outstanding (in shares)	42,573	40,373	43,014	40,088
Restricted stock and stock options (in shares)	212	291	215	305
Warrants (in shares)	157	2,387	157	2,689
Weighted average diluted common shares outstanding (in shares)	42,942	43,051	43,386	43,082
Basic income per share: (in dollars per share)	$ (0.12)	$ 0.08	$ (0.08)	$ 0.22
Diluted income per share: (in dollars per share)	$ (0.12)	$ 0.07	$ (0.08)	$ 0.20