ACCOUNTING POLICIES (Details 6) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Earnings per share
Net income attributable to common shares	$ (3,098)	$ (2,071)	$ 9,427	$ 2,336
Net income (loss) per common share—basic:
Net income attributable to common shares-basic (in dollars per share)	$ (0.12)	$ (0.08)	$ 0.37	$ 0.10
Weighted average common shares outstanding-basic	25,356	24,681	25,326	24,402
Effect of dilutive securities:
Stock options and restricted stock awards (in shares)	0	0	62	111
Weighted average common shares outstanding-diluted	25,356	24,681	25,388	24,513
Net income attributable to common shares-diluted (in dollars per share)	$ (0.12)	$ (0.08)	$ 0.37	$ 0.10
Stock options and restricted stock awards
Anti-dilutive securities excluded from computation of earnings per share
Anti-dilutive securities excluded from computation of earnings per share (in shares)	765	566	536	262