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Income Tax - Schedule of geographic components of income (loss) before income taxes (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Income Tax Disclosure [Line Items]      
(Loss) income before income taxes $ (167,038) $ (18,403) $ (1,319,557)
U.S. [Member]      
Income Tax Disclosure [Line Items]      
(Loss) income before income taxes (190,163) (32,893) (1,347,770)
Foreign [Member]      
Income Tax Disclosure [Line Items]      
(Loss) income before income taxes $ 23,125 $ 14,490 $ 28,213