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Income Taxes - Additional Information (Detail) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2020
Mar. 31, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Dec. 31, 2019
Income Tax Disclosure [Abstract]            
Statutory tax rate 42.80%   21.80% 44.40% 21.30%  
Liability for uncertain tax position $ 0     $ 0   $ 0
PPPChangeInTaxRateDeferredTaxLiabilityIncomeTaxBenefit   $ 821,000