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Income Taxes - Components of Pretax Loss from Operations (Detail) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Income Tax Disclosure [Abstract]      
U.S. Domestic $ (9,264) $ (3,310) $ (14,400)
Foreign (69,784) (13,308) (12,288)
Pretax loss from operations $ (79,048) $ (16,618) $ (26,688)