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Income Taxes - Summary of Income (Loss) Before Taxes (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Income Tax [Line Items]      
Foreign (loss) income before taxes $ (1,427)    
As Adjusted      
Income Tax [Line Items]      
U.S. (loss) income before taxes (235,750) $ (6,184) $ (2,046)
Loss before income taxes $ (237,177) $ (6,184) $ (2,046)