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Income Taxes - Additional Information (Detail) - USD ($) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020
Income Tax Disclosure [Abstract] |  |  |  |
Deferred income tax expense (benefit) | $ (11,300,000) | $ 1,000 | $ (11,300,000) | $ 13,000
Effective tax rate |  |  | (8191.72%) | (0.85%)
Federal and state net operating losses | 146,000,000.0 |  | $ 146,000,000.0 |
Accruals related to uncertainties tax positions | $ 0 | $ 0 | $ 0 | $ 0

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