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CONSOLIDATED STATEMENTS OF OPERATIONS (Parenthetical) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
CONSOLIDATED STATEMENTS OF OPERATIONS [Abstract]      
Tax benefit from equity investment $ 770 $ 0 $ 0
Earnings (loss) from discontinued operations, tax $ 0 $ 0 $ (163)