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Commitments and Contingencies - Additional Information (Detail) - USD ($) $ in Thousands | 12 Months Ended |
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Dec. 31, 2020 | Dec. 31, 2019
Commitments and Contingencies Disclosure [Line Items] |  |
Employer matching contribution payments | $ 1,562 | $ 6,052
Liability recorded for employer contribution payments | $ 2,123 |
Messrs. Mitchell, Gamble, Fernandes and Cavalier |  |
Commitments and Contingencies Disclosure [Line Items] |  |
Employment agreements term extension | 1 year |
Mr. Zoradi |  |
Commitments and Contingencies Disclosure [Line Items] |  |
Employment Agreement Expiration Date | Dec. 31, 2021 |

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