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ACQUISITION (Pro Forma Information) (Details) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Business Combinations [Abstract]    
Revenues $ 360,171 $ 349,386
Net income (loss) $ 9,347 $ (7,137)
Basic earnings per share (in usd per share) $ 0.12 $ (0.10)
Diluted earnings per share (in usd per share) $ 0.12 $ (0.10)