EARNINGS PER SHARE (Information Related to EPS Calculation) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Numerator:
Net (loss) income	$ 23,847	$ 10,516	$ 19,802	$ 19,295
Net income attributable to noncontrolling interests	(482)	(12)	(51)	(12)
Net income attributable to common stockholders	$ 23,365	$ 10,504	$ 19,751	$ 19,283
Denominator:
Weighted average basic common shares outstanding (in shares)	43,066	42,845	43,023	40,860
Numerator:
Net income attributable to common stockholders	$ 23,365	$ 10,504	$ 19,751	$ 19,283
Denominator:
Weighted average basic common shares outstanding (in shares)	43,066	42,845	43,023	40,860
Restricted stock and stock options (in shares)	204	420	211	455
Warrants (in shares)	47	2	47	1,783
Weighted average diluted common shares outstanding (in shares)	43,317	43,267	43,281	43,098
Basic income per share: (in dollars per share)	$ 0.54	$ 0.25	$ 0.46	$ 0.47
Diluted income per share: (in dollars per share)	$ 0.54	$ 0.24	$ 0.46	$ 0.45