Quarterly report pursuant to Section 13 or 15(d)

Income Taxes - Summary of Income Tax Expense (Benefit) and Effective Tax Rate (Detail)

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Income Taxes - Summary of Income Tax Expense (Benefit) and Effective Tax Rate (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]        
Income tax expense / (benefit) $ (4,307) $ 20,798 $ 3,122 $ 52,522
Effective tax rate 7.20% 18.40% (28.60%) 19.10%