EARNINGS PER SHARE - (Information Related to EPS Calculation) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Numerator:
Net income	$ 1,834	$ 5,659
Net income attributable to noncontrolling interests	(360)	0
Net income attributable to common stockholders	$ 1,474	$ 5,659
Denominator:
Weighted average basic common shares outstanding (in shares)	42,976	39,799
Numerator:
Net income attributable to common stockholders	$ 1,474	$ 5,659
Denominator:
Weighted average basic common shares outstanding (in shares)	42,976	39,799
Restricted stock and stock options (in shares)	218	317
Warrants (in shares)	169	2,641
Weighted average diluted common shares outstanding (in shares)	43,363	42,757
Basic income per share: (in dollars per share)	$ 0.03	$ 0.14
Diluted income per share: (in dollars per share)	$ 0.03	$ 0.13