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Interim Consolidated Statements of Operations (Parenthetical) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2014
Sep. 30, 2013
Income Statement [Abstract]        
Operating income (loss), tax benefit (provision) $ 384 $ 1,435 $ 732 $ 1,101
Gain on disposal, tax benefit (provision) $ (3,009) $ 0 $ (3,009) $ 0