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Income Taxes - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Income Tax Disclosure [Abstract]        
Income tax expense (benefit) $ 1,517 $ 492 $ 5,324 $ 1,852
Federal income tax rate 20.70% 14.20% 27.40% 20.00%