ACCOUNTING POLICIES (Details 5) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Earnings per share
Net income attributable to common shares	$ 1,617	$ 3,533	$ 7,496	$ 14,928
Net income per common share—basic:
Net income attributable to common shares-basic (in dollars per share)	$ 0.07	$ 0.15	$ 0.31	$ 0.63
Weighted average common shares outstanding-basic	24,027	23,766	23,988	23,692
Effect of dilutive securities:
Stock options and restricted stock awards (in shares)	256	680	302	605
Weighted average common shares outstanding-diluted	24,283	24,446	24,290	24,297
Net income attributable to common shares-diluted (in dollars per share)	$ 0.07	$ 0.14	$ 0.31	$ 0.61
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)	463	6	386	38