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CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS) (Parenthetical) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Tax on earnings (loss) of other equity accounted asset liquidation investments $ 0 $ 0 $ 0 $ 0
Tax on other equity accounted investments 0 0 0 0
Tax on currency translation adjustment $ 0 $ 0 $ 0 $ 0