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Components of Income (Loss) Before Provision (Benefit) for Income Taxes (Detail) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Dec. 31, 2015
Sep. 30, 2015
Jun. 30, 2015
Mar. 31, 2015
Dec. 31, 2014
Sep. 30, 2014
Jun. 30, 2014
Mar. 31, 2014
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Schedule of Components of Income Before Income Tax Expense (Benefit) [Line Items]                      
Domestic                 $ 11,692 $ 5,358 $ (66,470)
Foreign                 14,901 19,866 15,175
Income (loss) before provision for income taxes $ (9,078) $ 47,239 $ (4,414) $ (7,154) $ 3,978 $ 45,807 $ (7,772) $ (16,789) $ 26,593 $ 25,224 $ (51,295)