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Income Taxes - Schedule of Income (Loss) Before Taxes for Domestic and Foreign Operations (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Income Tax Disclosure [Abstract]      
Domestic operations $ (665,376) $ 2,717,756 $ 660,832
Foreign operations (846,103) 128,969 (26,826)
Income (loss) before income taxes $ (1,511,479) $ 2,846,725 $ 634,006