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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]        
Income tax expense $ 1,565 $ 1,224 $ 1,360 $ 2,584
Federal income tax rate 28.60% 28.00% 23.40% 26.80%