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Income Taxes - Additional Information (Detail) - USD ($)
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Income Tax Disclosure [Abstract]    
Deferred income tax expense (benefit) $ 2,000 $ 1,000
Effective tax rate 0.59% (5.12%)
Federal and state net operating losses $ 146,000,000  
Accruals related to uncertainties tax positions $ 0 $ 0