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Other Income (Expense), Net (Details) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Dec. 31, 2014
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Other Income (Expense), Net [Abstract]        
Other income (expense), net   $ (18,265) $ (32,743) $ (53,681)
Foreign currency transaction losses on net monetary assets denominated in bolivar     10,200 46,300
Expense related to prepayment of debt $ 7,400      
Foreign currency translation expenses     17,000  
Interest expense   $ 15,600 $ 7,900 $ 5,700