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Income Taxes - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Income Tax Disclosure [Abstract]      
Tax expense on multi-year international audit settlement and closure   $ 3,358  
Impairment loss $ 837   $ 21,206