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Income Taxes - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Income Tax Disclosure [Abstract]        
Tax expense on multi-year international audit settlement and closure $ 3,383   $ 3,383  
Impairment loss   $ 9,885   $ 20,369