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Income Taxes - Income (Loss) Before Expense (Benefit) for Income Taxes (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Income Tax Disclosure [Abstract]      
U.S. entities $ (29,829) $ (74,131) $ 26,552
International entities 5,052 40,760 18,135
Income (Loss) Before Income Taxes $ (24,777) $ (33,371) $ 44,687